CN216866893U - A wind turbine blade fixing mechanism - Google Patents

Abstract

The utility model discloses a wind turbine blade fixing mechanism, which relates to the technical field of wind turbines, and comprises a blade fixing seat and a blade body. A through slot is opened, and the wind turbine blade fixing mechanism is provided with a mounting sleeve, a sliding rod and a second bevel gear, and the output end of the servo motor drives the second transmission gear to rotate, so that the ring gear moves, so that the ring gear passes through the inner gear. The groove drives the first transmission gear to rotate, so that the rotating shaft rotates, so that the first bevel gear drives the second bevel gear to rotate, so that the sliding rod rotates, so that the push plate pushes one end of the limit column into the limit groove, and the blade body is moved. Pre-fixing, so that it is convenient for the operator to fix the blade body on the blade fixing seat by means of riveting or screwing, so as to provide pre-fixing for the blade.

Description

A wind turbine blade fixing mechanism

technical field

The utility model relates to the technical field of wind power generators, in particular to a wind power generator blade fixing mechanism.

Background technique

The working principle of large-scale wind turbines is relatively simple. The wind wheel rotates under the action of the wind, which converts the kinetic energy of the wind into the mechanical energy of the wind wheel shaft, and the generator rotates under the drive of the wind wheel shaft to generate electricity. Broadly speaking, wind energy is also solar energy, so it can also be said that a wind turbine is a thermal energy generator that uses the sun as the heat source and the atmosphere as the working medium. However, when the existing wind turbine blades are fixed, the blades cannot be pre-fixed, which makes it inconvenient to fix the wind turbine blades.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a wind turbine blade fixing mechanism, which solves the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the present utility model is realized through the following technical solutions: a wind turbine blade fixing mechanism, comprising a blade fixing seat and a blade body, the surface of the blade fixing seat is provided with a number of installation platforms, the installation platform A through slot is opened in the middle of the blade body, one end of the blade body is inserted into the blade fixing seat through the through slot, and the blade body is located on the outer side of the through slot cavity. The outer side of the through groove is provided with a connecting groove, one side of the inner cavity of the connecting groove is rotatably connected with a screw rod, and the outer side of the screw rod is threadedly connected with a push plate, and one side of the push plate is located in the screw rod. Both sides of the rod are provided with limit posts, one end of the mounting sleeve close to the limit posts is provided with limit slots, and one end of the limit posts extends to the inside of the limit slots.

Preferably, a sliding rod is provided on one side of the inner cavity of the connecting groove, one end of the sliding rod passes through the push plate and is connected with the other side of the inner cavity of the connecting groove, and the outer side of the sliding rod is connected with the push plate. Plate sliding connection.

Preferably, annular grooves are provided inside the mounting platform and outside the connecting groove, the inner cavity of the annular groove is slidably connected with a ring gear, and one side of the inner cavity of the annular groove is rotatably connected with a rotating shaft, A first bevel gear is sleeved on the outside of the rotating shaft, a first transmission gear is sleeved on the outside of the rotating shaft and above the first bevel gear, and a number of inner gears are opened on the inside of the ring gear. The tooth slot, the first transmission gear is meshed with the inner tooth slot through the teeth, one end of the screw rod extends to the inside of the annular groove and is sleeved with a second bevel gear, and the second bevel gear is connected with the first bevel gear. A bevel gear meshing connection.

Preferably, a protection box is provided on one side of the installation table, a servo motor is arranged on one side of the installation table and located above the protection box, and the output ends of the servo motors all extend to the inside of the protection box and are provided with The second transmission gear has a through hole on the outer side of the mounting platform, one end of the second transmission gear passes through the through hole and extends into the annular groove, and the outer side of the ring gear has a number of external teeth. The second transmission gear is meshed and connected with the external tooth slot through the teeth.

Preferably, sliding grooves are provided inside the mounting platform and below the annular groove, two sliding blocks are slidably connected inside the sliding grooves, and the top ends of the sliding blocks both extend into the annular groove and connect with the ring gear. connected to the bottom.

Preferably, mounting seats are installed on the surface of the blade fixing seat and on the outer side of the mounting table, the top of the mounting seat is provided with a first thread groove, and the top under the mounting table is provided with a second thread groove , the second thread grooves are all threadedly connected with screws.

Preferably, the bottom ends of the screws all extend into the interior of the first thread groove and are threadedly connected to the interior of the first thread groove.

The utility model provides a wind turbine blade fixing mechanism, which has the following beneficial effects:

1. The wind turbine blade fixing mechanism is provided with a mounting sleeve, a sliding rod and a second bevel gear. The output end of the servo motor drives the second transmission gear to rotate, so that the ring gear moves, so that the ring gear drives the first gear through the inner tooth slot. A transmission gear rotates, so that the rotating shaft rotates, so that the first bevel gear drives the second bevel gear to rotate, so that the sliding rod rotates, so that the push plate pushes one end of the limit column into the limit slot, and pre-fixes the blade body. Therefore, it is convenient for the operator to subsequently fix the blade body on the blade fixing seat by means of riveting or screws, so as to provide pre-fixation for the blade.

2. The wind turbine blade fixing mechanism is provided with a mounting seat, a mounting table and a screw. When the mounting table needs to be removed, the output end of the servo motor drives the second transmission gear to rotate in the reverse direction, so that the ring gear is reset and moved. The ring gear drives the first transmission gear to rotate in the reverse direction through the internal tooth slot, so that the rotating shaft rotates in the reverse direction, so that the first bevel gear drives the second bevel gear to rotate in the reverse direction, so that the sliding rod rotates in the reverse direction, so that the push plate pushes the limit One end of the column is removed from the inside of the limit groove, and then the screw is screwed so that one end of the screw is unscrewed from the inside of the first thread groove, and then the mounting table is moved, so that the mounting table is removed through the end of the blade body, so that the mounting table can be reused .

Description of drawings

1 is a schematic diagram of the internal structure of the utility model;

Fig. 2 is a partial structural representation of the utility model;

Fig. 3 is the enlarged view at A of the utility model Fig. 2;

FIG. 4 is an enlarged view of part B of FIG. 2 of the utility model.

In the figure: 1. Blade fixing seat; 2. Mounting seat; 3. Mounting table; 4. Through groove; 5. Connection groove; 6. Screw rod; 7. Push plate; 8. Mounting sleeve; 9. Slide rod; 10 , limit slot; 11, limit column; 12, annular groove; 13, rotating shaft; 14, first bevel gear; 15, first transmission gear; 16, ring gear; 17, internal tooth slot; 18, external tooth Slot; 19, through hole; 20, second transmission gear; 21, protective box; 22, servo motor; 23, chute; 24, slider; 25, first thread groove; 26, second thread groove; 27, screw; 28, the blade body; 29, the second bevel gear.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

Please refer to FIG. 1 to FIG. 4 , the present invention provides a technical solution: a wind turbine blade fixing mechanism, comprising a blade fixing seat 1 and a blade body 28 , a surface of the blade fixing seat 1 is provided with several mounting platforms 3 , The middle of the mounting table 3 is provided with a through slot 4, one end of the blade body 28 is inserted into the blade fixing seat 1 through the through slot 4, and the blade body 28 is located on the outer side of the inner cavity of the through slot 4. Inside the mounting table 3 and on the outside of the through groove 4, a connecting groove 5 is provided. One side of the inner cavity of the connecting groove 5 is rotatably connected with a screw rod 6, and the outer side of the screw rod 6 is threadedly connected with a push plate 7, and the push plate 7 Limiting posts 11 are provided on one side of the screw rod 6 and on both sides of the screw 6 . A limiting slot 10 is defined at one end of the mounting sleeve 8 close to the limiting post 11 , and one end of the limiting post 11 extends to the interior of the limiting slot 10 .

One side of the inner cavity of the connecting groove 5 is provided with a sliding rod 9 for limiting the position of the push plate 7, and one end of the sliding rod 9 passes through the pushing plate 7 and is connected with the other side of the inner cavity of the connecting groove 5. The outer side of the rod 9 is slidably connected with the push plate 7, so that the screw rod 6 is rotated, so that the push plate 7 can be moved, and an annular groove 12 is provided inside the mounting table 3 and on the outer side of the connecting groove 5, and the inner cavity of the annular groove 12 slides A ring gear 16 is slidably connected to each other, and a rotating shaft 13 is rotatably connected to one side of the inner cavity of the annular groove 12 . A first transmission gear 15 is sleeved above the 14, and the inner side of the ring gear 16 is provided with a number of internal tooth slots 17 for cooperating with the first transmission gear 15. The first transmission gear 15 passes through the teeth and the inner tooth slot. 17 meshing connection, one end of the screw 6 extends to the inside of the annular groove 12 and is sleeved with a second bevel gear 29, and the second bevel gear 29 is meshed with the first bevel gear 14, so that the ring gear 16 can pass through the inner tooth slot. 17 drives the first transmission gear 15 to rotate, one side of the mounting table 3 is provided with a protective box 21, one side of the mounting table 3 and above the protective box 21 is provided with a servo motor 22, and the output end of the servo motor 22 is extended to A second transmission gear 20 is arranged inside the protection box 21 , through holes 19 are formed on the outer side of the mounting table 3 , one end of the second transmission gear 20 passes through the through hole 19 and extends into the inside of the annular groove 12 . The outer sides are provided with several external tooth slots 18 for matching with the second transmission gear 20. The second transmission gears 20 are meshed with the external tooth slots 18 through teeth, so that the second transmission gear 20 can pass through the external tooth slots 18. The ring gear 16 is driven to move, and there are sliding grooves 23 inside the mounting table 3 and below the annular groove 12 . Two sliding blocks 24 are slidably connected inside the sliding grooves 23 , and the tops of the sliding blocks 24 extend to the inside of the annular groove 12 . It is connected with the bottom end of the ring gear 16, so that the movement of the ring gear 16 is more stable. The surface of the blade fixing seat 1 and the outer side of the mounting table 3 are installed with the mounting seat 2, and the top of the mounting seat 2 is provided with a first The threaded grooves 25 are provided with second threaded grooves 26 on the top under the mounting table 3. The second threaded grooves 26 are all threadedly connected with screws 27 to facilitate the installation of the mounting table 3. The bottom ends of the screws 27 all extend to the first The inside of the threaded groove 25 is threadedly connected with the inside of the first threaded groove 25 to facilitate the installation of the mounting table 3 .

To sum up, when using the wind turbine blade fixing mechanism, when installing, first place the installation platform 3 on the surface of the blade fixing base 1, and then screw the screw 27, so that one end of the screw 27 is screwed into the first thread groove Inside 25, fix the mounting table 3, then insert one end of the blade body 28 into the blade holder 1 through the through slot 4, and then the output end of the servo motor 22 drives the second transmission gear 20 to rotate, so that the ring gear 16 moves, The ring gear 16 drives the first transmission gear 15 to rotate through the internal tooth slot 17, so that the rotating shaft 13 rotates, so that the first bevel gear 14 drives the second bevel gear 29 to rotate, so that the sliding rod 9 rotates, so that the push plate 7 pushes the limit One end of the column 11 is inserted into the limiting groove 10 to pre-fix the blade body 28, so that the operator can subsequently fix the blade body 28 on the blade holder 1 by riveting or screwing. When coming down, the output end of the servo motor 22 drives the second transmission gear 20 to rotate in the reverse direction, so that the ring gear 16 resets and moves, so that the ring gear 16 drives the first transmission gear 15 to rotate in the reverse direction through the internal tooth slot 17, so that the rotating shaft 13 reverses. Rotate in the opposite direction, so that the first bevel gear 14 drives the second bevel gear 29 to rotate in the opposite direction, so that the sliding rod 9 rotates in the opposite direction, so that the push plate 7 pushes one end of the limit post 11 to move out of the limit slot 10, and then screw the screw 27 , so that one end of the screw 27 is screwed out from the inside of the first threaded groove 25 , and then the mounting table 3 is moved so that the mounting table 3 is removed through the end of the blade body 28 .

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (7)

1. A wind turbine blade fixing mechanism, comprising a blade fixing seat (1) and a blade body (28), characterized in that: the surface of the blade fixing seat (1) is provided with several mounting platforms (3), so A through slot (4) is formed in the middle of the mounting platform (3), and one end of the blade body (28) is inserted into the blade fixing seat (1) through the through slot (4), and the blade body (28) ) A mounting sleeve (8) is provided on the outside of the inner cavity of the through groove (4), and a connecting groove (5) is provided inside the mounting table (3) and on the outside of the through groove (4). One side of the inner cavity of the groove (5) is rotatably connected with a screw rod (6), and the outer side of the screw rod (6) is threadedly connected with a push plate (7), one side of the push plate (7) is located at Limiting posts (11) are provided on both sides of the screw rod (6), and a limiting groove (10) is provided at one end of the mounting sleeve (8) close to the limiting posts (11). The limiting posts (11) One end of each extends to the interior of the limiting groove (10). 2. A wind turbine blade fixing mechanism according to claim 1, characterized in that a sliding rod (9) is provided on one side of the inner cavity of the connecting groove (5), and the sliding rod (9) is provided with a sliding rod (9). One end passes through the push plate (7) and is connected to the other side of the inner cavity of the connecting groove (5), and the outer side of the sliding rod (9) is slidably connected to the push plate (7). 3 . The wind turbine blade fixing mechanism according to claim 1 , wherein an annular groove ( 12 ) is provided inside the mounting platform ( 3 ) and on the outside of the connecting groove ( 5 ). 4 . The inner cavity of the annular groove (12) is slidably connected with a ring gear (16), one side of the inner cavity of the annular groove (12) is rotatably connected with a rotating shaft (13), and the outer side of the rotating shaft (13) is rotatably connected to each other. A first bevel gear (14) is sleeved, a first transmission gear (15) is sleeved on the outer side of the rotating shaft (13) and above the first bevel gear (14), and the ring gear (16) There are several internal tooth grooves (17) on the inner side, the first transmission gear (15) is meshed with the internal tooth groove (17) through the teeth, and one end of the screw rod (6) extends to the annular A second bevel gear (29) is sleeved inside the groove (12), and the second bevel gear (29) is meshed and connected with the first bevel gear (14). 4. A wind turbine blade fixing mechanism according to claim 3, wherein a protective box (21) is provided on one side of the installation platform (3), and one side of the installation platform (3) is provided with a protective box (21). A servo motor (22) is arranged on the side of the protection box (21) and above the protection box (21). A through hole (19) is provided on the outer side of the mounting table (3), one end of the second transmission gear (20) passes through the through hole (19) and extends into the inside of the annular groove (12), and the ring gear ( The outer side of 16) is provided with a plurality of external tooth grooves (18), and the second transmission gears (20) are meshed and connected with the external tooth grooves (18) through teeth. 5 . The wind turbine blade fixing mechanism according to claim 1 , wherein a chute ( 23 ) is provided inside the mounting platform ( 3 ) and below the annular groove ( 12 ). 6 . Two sliding blocks (24) are slidably connected inside the chute (23), and the top ends of the sliding blocks (24) both extend to the inside of the annular groove (12) and are connected with the bottom end of the ring gear (16). 6. A wind turbine blade fixing mechanism according to claim 1, wherein a mounting seat (2) is installed on the surface of the blade fixing seat (1) and on the outer side of the mounting table (3), The top of the mounting seat (2) is provided with a first thread groove (25), and the top of the mounting table (3) is provided with a second thread groove (26), and the second thread groove (26) Screws (27) are threadedly connected inside. 7 . The wind turbine blade fixing mechanism according to claim 6 , wherein the bottom ends of the screws ( 27 ) all extend to the inside of the first threaded groove ( 25 ) and are connected with the first threaded groove ( 25 ). 8 . ) Internally threaded connection.

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