Turnover assembly support of wind power generator

Abstract

The turnover assembly support of the wind power generator comprises a connecting plate and a vertical rod, the bottom end of the vertical rod is rotationally connected with a connecting frame through a bearing, the bottom end of the connecting frame is rotationally connected with a pulley through a rotating shaft, the vertical rod is fixedly connected with a base plate, the upper end of the base plate is fixedly connected with a supporting seat, and a first arc-shaped groove is formed in the supporting seat. An arc-shaped block is rotationally connected to one side of the supporting seat through a rotating shaft, a second arc-shaped groove corresponding to the first arc-shaped groove is formed in the arc-shaped block, an adjusting ring is in contact with the interiors of the first arc-shaped groove and the second arc-shaped groove, electric push rods are fixedly connected to the two sides, away from each other, in the adjusting ring, and clamping blocks are fixedly connected to the output ends of the electric push rods; according to the utility model, a plurality of groups of supporting structures can be formed by arranging a plurality of groups of movable connecting plates, vertical rods and positioning rods which are matched with pulleys and can be connected with one another, so that the blades are more stable during overturning, and meanwhile, the supporting seat and the arc-shaped block which are connected with the blades of the wind power generator can move singly, so that the detection or maintenance is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of wind turbine blades, in particular to a flip assembly bracket for a wind turbine generator. Background Art

[0002] A wind turbine is an electric power device that converts wind energy into mechanical work and then into electrical energy. The wind turbine flip assembly bracket is a special device that effectively flips or moves the wind turbine blades during the assembly, maintenance or replacement of the wind turbine.

[0003] According to the Chinese patent publication number CN219911028U "A flip assembly bracket for a wind turbine", it mainly describes that by providing an assembly bracket, the connection seat is used to design the generator and the tower to be rotatably connected, so that the motor is used as the driving source and the rotation of the screw is controlled by mechanical transmission, so that the rack threaded on the outer surface of the screw moves downward, and then the moving rack drives the mounting column to rotate, and then the bevel gear and the bevel gear ring in the transmission assembly are engaged to drive the connection seat to rotate, so as to control the flipping of the generator and the wind wheel, so that the angle of the wind wheel can be adjusted according to the wind direction, thereby ensuring the efficiency of converting wind energy into electrical energy. In this process, the size and width of the wind turbine blades are different, which will make the flipping of the wind turbine blades more troublesome.

[0004] Therefore, a wind turbine generator flip assembly bracket is proposed to solve the problem that the sizes and widths of the wind turbine generator blades are different during the process, which makes the flipping of the wind turbine generator blades more troublesome. Utility Model Content

[0005] The technical problem to be solved by the utility model is that in this process, the sizes and widths of the wind turbine blades are different, which will cause the problem that the wind turbine blades are more troublesome to flip, so a flip assembly bracket for the wind turbine is proposed.

[0006] The cam is provided with a toothed plate, and the toothed plate ...

[0007] As a preferred technical solution of the utility model, the upper and lower sides of the clamping block are in contact with limiting blocks, and the limiting blocks are fixedly connected in the adjusting ring. By setting the limiting blocks, support for the electric push rod can be provided.

[0008] As a preferred technical solution of the utility model, a round ball is rotatably embedded on the adjusting ring, and the round ball contacts the inner side of the arc block. By providing the round ball, the friction between the arc block and the drill hole is reduced.

[0009] As a preferred technical solution of the utility model, both ends of the adjusting ring are fixedly connected with protrusions, the protrusions contact with a limiting plate, the limiting plate is threadedly connected with an insertion rod, and the insertion rod is threadedly connected to the protrusion. By setting the insertion rod and the limiting plate, in combination with the protrusions, a support can be formed to ensure the stability of the adjusting ring.

[0010] As a preferred technical solution of the utility model, support frames are fixedly connected to both sides of the bottom end of the pad, and a sliding ball is rotatably embedded in the bottom end of the support frame. By arranging the support frame and the sliding ball, support for the support seat can be provided.

[0011] The utility model has the following advantages: by arranging multiple groups of movable connecting plates, vertical rods and pulleys in conjunction with mutually connectable positioning rods, multiple groups of supporting structures can be formed, so that the blades are more stable when flipping, and at the same time, the support seat and the arc block connected to the wind turbine blades can be moved in a single manner, which is convenient for detection or maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a front view cross-sectional structural schematic diagram of a flip assembly bracket of a wind turbine generator according to a preferred embodiment of the utility model;

[0013] Figure 2It is a three-dimensional structural schematic diagram of a flip assembly bracket of a wind turbine generator according to a preferred embodiment of the utility model;

[0014] Figure 3 It is a schematic diagram of the enlarged structure of position A of a flip assembly bracket of a wind turbine generator according to a preferred embodiment of the utility model.

[0015] Explanation of the accompanying drawings: 1. connecting plate; 2. vertical rod; 3. connecting frame; 4. pulley; 5. pad; 6. support seat; 7. first arc groove; 8. arc block; 9. second arc groove; 10. adjustment ring; 11. ball; 12. electric push rod; 13. clamping block; 14. arc groove; 15. limit block; 16. clamping rod; 17. positioning rod; 18. protrusion; 19. limit hole; 20. support frame; 21. sliding ball; 22. protrusion; 23. limit plate; 24. plug rod. DETAILED DESCRIPTION

[0016] The utility model will be further described below in conjunction with the accompanying drawings.

[0017] Please refer to Figure 1-3 The flip assembly bracket of a wind turbine generator shown in the figure includes a connecting plate 1 and a vertical rod 2. The bottom end of the vertical rod 2 is rotatably connected to a connecting frame 3 through a bearing. The bottom end of the connecting frame 3 is rotatably connected to a pulley 4 through a rotating shaft. A pad 5 is fixedly connected to the vertical rod 2. The upper end of the pad 5 is fixedly connected to a support seat 6. The support seat 6 provides bottom support and can provide support for the blades of the wind turbine generator through the cooperation of multiple groups. A first arc groove 7 is provided on the support seat 6. An arc block 8 is rotatably connected to one side of the support seat 6 through a rotating shaft. A second arc groove 9 corresponding to the first arc groove 7 is provided in the arc block 8. The first arc groove 7 and the second arc groove 9 can form a circle and facilitate the rotation of the adjusting ring 10. The rotation of the adjusting ring 10 needs to cooperate with the lifting equipment. The lifting equipment rotates the blade, and the adjusting ring 10 rotates practically. The first arc groove 7 is in contact with an adjusting ring 10 in the second arc groove 9, and both sides of the adjusting ring 10 that are away from each other are fixedly connected with an electric push rod 12, and the output end of the electric push rod 12 is fixedly connected with a clamping block 13, and the electric push rod 12 drives the clamping block 13 to extend, and can cooperate with the arc groove 14 to limit the blades of the wind turbine generator. An arc groove 14 is provided in the clamping block 13, and a positioning rod 17 is movably inserted on the connecting plate 1, and a protrusion 18 is fixedly connected to one end of the positioning rod 17. A limiting hole 19 is provided on one side of the protrusion 18 of the positioning rod 17, and a clamping rod 16 is in contact with the positioning rod 17, and the clamping rod 16 is threadedly connected to the connecting plate 1. By setting the positioning rod 17, it can be connected with the connecting plate 1, and at the same time, multiple groups of connection structures can be formed, thereby forming a combined support structure, and then the positioning rod 17 is limited by the clamping rod 16, which can improve stability.

[0018] The limiting block 15 is fixedly connected inside the adjusting ring 10 , and the limiting block 15 contacts the upper and lower sides of the clamping block 13 . By providing the limiting block 15 , the stability of the movement of the clamping block 13 can be improved.

[0019] The inner side of the arc block 8 contacts the ball 11 , and the ball 11 is rotatably embedded in the adjusting ring 10 . The arrangement of the ball 11 reduces friction and facilitates the rotation of the adjusting ring 10 .

[0020] Among them, the protrusion 22 is threadedly connected to the insertion rod 24, the insertion rod 24 is threadedly connected to the limit plate 23, the limit plate 23 contacts the protrusion 22, and the protrusion 22 is fixedly connected to both ends of the adjustment ring 10. By setting the protrusion 22 and the limit plate 23, in conjunction with the insertion rod 24, a supporting structure can be formed to maintain the stability of the rotation of the adjustment ring 10.

[0021] The sliding ball 21 is rotatably embedded in the bottom end of the support frame 20, and the support frame 20 is fixedly connected to the bottom end of the pad 5. By setting the support frame 20, the support seat 6 can be kept vertically on the ground.

[0022] Working principle: First place two Figure 1 The device is located on both sides of the wind turbine blade, the arc block 8 is opened, and the limit plate 23 is opened. At this time, the two sides of the blade enter between the two adjacent blocks 13 and are clamped by the electric push rod 12. At this time, multiple groups of connecting plates 1 are connected through the positioning rod 17 and connected as described above, which can play the role of supporting the blade at multiple points. During the detection process, some devices can be moved to reduce obstruction to the detection, and then the blade is turned over by hoisting to continue the detection.

[0023] The above are only preferred implementations of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

[0024] Other parts of the present invention not described in detail belong to the prior art and will not be described in detail here.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A flip assembly bracket for a wind turbine generator, comprising a connecting plate (1) and a vertical rod (2), wherein the bottom end of the vertical rod (2) is rotatably connected to a connecting frame (3) via a bearing, and the bottom end of the connecting frame (3) is rotatably connected to a pulley (4) via a rotating shaft, characterized in that: A pad (5) is fixedly connected to the vertical rod (2), and a support seat (6) is fixedly connected to the upper end of the pad (5). A first arc-shaped groove (7) is provided on the support seat (6). An arc-shaped block (8) is rotatably connected to one side of the support seat (6) via a rotating shaft. A second arc-shaped groove (9) corresponding to the first arc-shaped groove (7) is provided in the arc-shaped block (8). An adjustment ring (10) is in contact with the first arc-shaped groove (7) and the second arc-shaped groove (9). Both sides of the adjustment ring (10) that are away from each other are fixed. An electric push rod (12) is connected, the output end of the electric push rod (12) is fixedly connected to a clamping block (13), an arc-shaped groove (14) is provided in the clamping block (13), a positioning rod (17) is movably inserted on the connecting plate (1), one end of the positioning rod (17) is fixedly connected to a protrusion (18), a limiting hole (19) is provided on one side of the protrusion (18), the positioning rod (17) contacts with a clamping rod (16), and the clamping rod (16) is threadedly connected to the connecting plate (1).

2. A wind turbine generator flip assembly bracket as claimed in claim 1, characterized in that: The upper and lower sides of the clamping block (13) both contact the limiting block (15), and the limiting block (15) is fixedly connected in the adjusting ring (10).

3. A wind turbine generator flip assembly bracket as claimed in claim 2, characterized in that: A round ball (11) is rotatably embedded on the adjusting ring (10), and the round ball (11) contacts the inner side of the arc block (8).

4. A wind turbine generator flip assembly bracket as claimed in claim 3, characterized in that: Both ends of the adjustment ring (10) are fixedly connected with a protrusion (22), the protrusion (22) contacts a limit plate (23), the limit plate (23) is threadedly connected with an insertion rod (24), and the insertion rod (24) is threadedly connected to the protrusion (22).

5. The wind turbine generator flip assembly bracket according to claim 1, characterized in that: Both sides of the bottom end of the pad (5) are fixedly connected to support frames (20), and a sliding ball (21) is rotatably embedded in the bottom end of the support frame (20).

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