Split adjustable wind power block casting

Abstract

The utility model relates to the technical field of wind power block casting, disclose a kind of split adjustable wind power block casting, including lower block, the recess is opened in the top of lower block, first screw rod is rotatably inserted in the inside of recess, and the one end of first screw rod is fixedly connected with first rotating block, by setting adjustable structure of first screw rod and second screw rod, the position and angle of upper block can be flexibly adjusted, ensure that block can accurately limit blade rotation angle under different installation conditions, by setting the spring and circular piece's elastic mechanism in second rotating block, when blade contact, upper block can produce moderate elastic displacement, to effectively absorb impact force, avoid blade to be damaged by rigid collision, in addition, first threaded sleeve block and second threaded sleeve block adopt square structure and are attached to sliding slot, improve the stability of adjustment process, and the setting of reinforcing column and plug-in block enhances overall support strength.

Description

Technical Field

[0001] This utility model relates to the field of wind turbine baffle casting technology, specifically a split adjustable wind turbine baffle casting. Background Technology

[0002] In order to prevent the blades from rotating excessively due to strong winds or control failure during operation, existing wind turbines generally have a baffle structure at the blade root or tower position to limit the blade rotation angle.

[0003] Existing stop blocks are mostly integral, fixed casting structures, which are difficult to adjust during installation. They cannot be fine-tuned in position and angle according to different blade models or sizes, leading to strong impacts between the blade and the stop block when the blade rotates to its limit, posing a risk of blade damage. Furthermore, integral stop blocks lack elastic buffering mechanisms, resulting in strong contact rigidity between the blade and the stop block, which easily causes localized stress concentration. This not only affects the operational stability of the blade but also shortens the service life of the stop block.

[0004] Therefore, it is necessary to design a split, adjustable wind turbine block casting to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a split adjustable wind turbine block casting to solve the technical problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a split-type adjustable wind turbine stop casting, including a lower stop block. A groove is formed at the top of the lower stop block, and a first screw is rotatably inserted into the groove. A first rotating block is fixedly connected to one end of the first screw. A first threaded sleeve is threaded onto the outer surface of the first screw. A fixing block is fixedly connected to the top of the first threaded sleeve. A sliding groove is formed at the top of the fixing block, and a second screw is threaded into the inner surface of the sliding groove. A second rotating block is fixedly connected to one end of the second screw. A second screw is threaded onto the outer surface of the second screw. A second threaded sleeve is attached. One end of the fixed block is rotatably inserted with a rotating shaft. A second rotating block is rotatably sleeved on the outer surface of the rotating shaft. A U-shaped block is fixed to one side of the second rotating block and the top of the second threaded sleeve. A first rotating block is rotatably connected between the two U-shaped blocks. A plurality of insertion slots are provided on one side of the second rotating block. A circular piece is slidably inserted into the interior of each of the plurality of insertion slots. A spring is fixed between the circular piece and one side of the insertion slot. A connecting post is fixed to one side of the circular piece. One end of the plurality of connecting posts is fixed to an upper stop block.

[0007] Preferably, both the second threaded sleeve and the first threaded sleeve are square in shape, and the two sides of the second threaded sleeve and the first threaded sleeve are respectively attached to the two sides of the slide groove and the groove, and the bottom of the second threaded sleeve is attached to the top of the fixing block.

[0008] Preferably, the first threaded sleeve is fixedly connected to the two sides and the bottom of the first threaded sleeve block, and the two sides and the bottom of the groove are provided with the insertion sliding groove, and the three insertion blocks are respectively slidably inserted into the three insertion sliding grooves.

[0009] Preferably, the first threaded sleeve has a plurality of reinforcing posts slidably inserted inside, and the plurality of reinforcing posts are all fixed inside the groove, and the plurality of reinforcing posts are respectively located on both sides of the first screw.

[0010] Preferably, one side of each of the upper blocks is provided with an arc-shaped surface, and the outer surface of each of the upper blocks protrudes beyond the outer side of the second rotating block.

[0011] Preferably, the outer surfaces of the plurality of circular pieces are respectively attached to the inner walls of the plurality of insertion slots, the second rotating block is U-shaped, and the fixing block is inserted into the inside of the U-shaped opening.

[0012] The technical solution provided by this utility model has the following advantages compared with the prior art: This invention features an adjustable structure for the first and second screws, allowing for flexible adjustment of the position and angle of the upper stop block. This ensures that the stop block accurately limits the blade rotation angle under different installation conditions. An elastic mechanism with a spring and a circular plate is installed on the second rotating block, enabling the upper stop block to generate a moderate elastic displacement when the blade contacts it, effectively absorbing impact force and preventing damage to the blade from rigid collisions. Furthermore, the first and second threaded sleeves adopt a square structure and fit snugly against the sliding groove, improving the stability of the adjustment process. The reinforced column and plug-in block enhance the overall support strength. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is an exploded view of the lower stop block structure of this utility model; Figure 3 This is an exploded view of the rotating block structure of this utility model; In the diagram: 1. Lower stop block; 2. First rotating block; 3. First threaded sleeve block; 4. First screw; 5. Reinforcing column; 6. Fixing block; 7. Second rotating block; 8. Second screw; 9. Second threaded sleeve block; 10. U-shaped block; 11. First rotating block; 12. Second rotating block; 13. Upper stop block; 14. Insertion block; 15. Insertion sliding groove; 16. Connecting column; 17. Circular plate; 18. Spring; 19. Insertion groove; 20. Rotating shaft. Detailed Implementation

[0014] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0015] Obviously, many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0016] Please see Figure 1-3 This utility model provides a split adjustable wind turbine stop casting, including a lower stop block 1. The top of the lower stop block 1 has a groove, and a first screw 4 is rotatably inserted into the groove. One end of the first screw 4 is fixedly connected to a first rotating block 2. A first threaded sleeve block 3 is threaded onto the outer surface of the first screw 4. A fixing block 6 is fixedly connected to the top of the first threaded sleeve block 3. A sliding groove is formed on the top of the fixing block 6, and a second screw 8 is threaded into the sliding groove. One end of the second screw 8 is fixedly connected to a second rotating block 7, and a second threaded sleeve block 9 is threaded onto the outer surface of the second screw 8. A rotating shaft 20 is rotatably inserted into one end of the fixing block 6, and a second rotating block 12 is rotatably sleeved onto the outer surface of the rotating shaft 20. U-shaped blocks 10 are fixedly connected to one side of the second rotating block 12 and the top of the second threaded sleeve block 9. The two U-shaped blocks 10 rotate together. A first rotating block 11 is connected to the second rotating block 12, and multiple insertion slots 19 are provided on one side of the second rotating block 12. A circular piece 17 is slidably inserted into each of the multiple insertion slots 19. A spring 18 is fixed between the circular piece 17 and one side of the insertion slot 19. A connecting post 16 is fixed to one side of the circular piece 17. One end of each of the multiple connecting posts 16 is fixed to an upper stop block 13. The upper stop block 13 is adjusted horizontally and at its rotation angle by the rotation of the first rotating block 2 and the second rotating block 7, thereby ensuring that the upper stop block 13 precisely blocks the blade from rotating to a safe angle. When the blade collides, the upper stop block 13 can elastically deform to absorb some of the impact force. Through the installation and adjustment of the above device, it is ensured that the blade only lightly bumps and does not violently impact, improving the stability of blade operation and thus extending the overall service life of the wind turbine.

[0017] In order to improve the stability of the first threaded sleeve 3 and the second threaded sleeve 9 during sliding adjustment, the second threaded sleeve 9 and the first threaded sleeve 3 are both square in shape, and the two sides of the second threaded sleeve 9 and the first threaded sleeve 3 are respectively attached to the two sides of the sliding groove and the recess, and the bottom of the second threaded sleeve 9 is attached to the top of the fixing block 6.

[0018] Furthermore, in order to improve the support strength of the device, the first threaded sleeve block 3 is fixedly connected to both sides and the bottom with plug-in blocks 14, and the groove is provided with plug-in sliding grooves 15 on both sides and the bottom. The three plug-in blocks 14 are respectively slidably inserted into the three plug-in sliding grooves 15.

[0019] Furthermore, in order to share the pressure on the first threaded sleeve 3, a plurality of reinforcing posts 5 are slidably inserted into the inside of the first threaded sleeve 3, and the plurality of reinforcing posts 5 are fixed inside the groove, and the plurality of reinforcing posts 5 are respectively located on both sides of the first screw 4.

[0020] To ensure safer contact with the blades when necessary, each side of the upper stop block 13 has an arc-shaped surface, and the outer surface of the upper stop block 13 protrudes beyond the outer side of the second rotating block 12.

[0021] To improve the stability of the upper stop block 13 during elastic sliding, the outer surfaces of the plurality of circular pieces 17 are respectively attached to the inner walls of the plurality of insertion slots 19, the second rotating block 12 is U-shaped, and the fixing block 6 is inserted into the inside of the U-shaped opening.

[0022] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details of the above embodiments. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention, and these simple modifications all fall within the protection scope of the present invention.

[0023] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable way without contradiction. In order to avoid unnecessary repetition, this utility model will not describe the various possible combinations separately.

[0024] Furthermore, various different embodiments of this utility model can be combined in any way, as long as they do not violate the spirit of this utility model, they should also be regarded as the content disclosed by this utility model.

Claims

1. A split-type adjustable wind turbine stop casting, comprising a lower stop (1), characterized in that: The lower stop block (1) has a groove at its top, and a first screw (4) is rotatably inserted into the groove. A first rotating block (2) is fixed to one end of the first screw (4). A first threaded sleeve block (3) is threaded onto the outer surface of the first screw (4). A fixing block (6) is fixed to the top of the first threaded sleeve block (3). A sliding groove is provided at the top of the fixing block (6). A second screw (8) is threaded into the sliding groove. A second rotating block (7) is fixed to one end of the second screw (8). A second threaded sleeve block (9) is threaded onto the outer surface of the second screw (8). A rotating shaft (20) is rotatably inserted into one end of the fixing block (6). The outer surface of the 0) is rotatably fitted with a second rotating block (12). A U-shaped block (10) is fixedly connected to one side of the second rotating block (12) and the top of the second threaded sleeve block (9). A first rotating block (11) is rotatably connected between the two U-shaped blocks (10). A plurality of insertion slots (19) are opened on one side of the second rotating block (12). A circular piece (17) is slidably inserted into the interior of the plurality of insertion slots (19). A spring (18) is fixedly connected between the circular piece (17) and one side of the insertion slot (19). A connecting post (16) is fixedly connected to one side of the circular piece (17). One end of the plurality of connecting posts (16) is fixedly connected to an upper stop block (13).

2. The adjustable wind turbine stop casting according to claim 1, characterized in that: The second threaded sleeve (9) and the first threaded sleeve (3) are both square in shape, and the two sides of the second threaded sleeve (9) and the first threaded sleeve (3) are respectively attached to the two sides of the slide groove and the groove, and the bottom of the second threaded sleeve (9) is attached to the top of the fixing block (6).

3. The adjustable wind turbine stop casting according to claim 1, characterized in that: The first threaded sleeve (3) is fixed with plug-in blocks (14) on both sides and bottom, and the groove is provided with plug-in sliding grooves (15) on both sides and bottom. The three plug-in blocks (14) are respectively slidably inserted into the three plug-in sliding grooves (15).

4. A split-type adjustable wind turbine block casting according to claim 1, characterized in that: The first threaded sleeve (3) has multiple reinforcing posts (5) slidably inserted inside, and the multiple reinforcing posts (5) are all fixed inside the groove, and the multiple reinforcing posts (5) are respectively located on both sides of the first screw (4).

5. A split-type adjustable wind turbine stop casting according to claim 1, characterized in that: The upper stop block (13) has an arc-shaped surface on one side, and the outer surface of the upper stop block (13) protrudes out of the outer side of the second rotating block (12).

6. A split-type adjustable wind turbine stop casting according to claim 1, characterized in that: The outer surfaces of the multiple circular pieces (17) are respectively attached to the inner walls of the multiple insertion slots (19), the second rotating block (12) is U-shaped, and the fixing block (6) is inserted into the inside of the U-shaped opening.

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