CN217976453U

CN217976453U - Head positioning device

Info

Publication number: CN217976453U
Application number: CN202222200381.0U
Authority: CN
Inventors: 张昊; 杨波; 刘彦彬; 脱亚松; 郝欣宇; 张宝华
Original assignee: Damao Qi Fulei New Energy Co ltd
Current assignee: Damao Qi Fulei New Energy Co ltd
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2022-12-06
Anticipated expiration: 2032-08-19

Abstract

The utility model discloses a machine head positioning device, which comprises a positioning component, wherein the positioning component comprises a rotating shaft, a wind vane, a pressure sensor, a mounting box, a fixing plate, a controller, a fixing plate, two spring dampers, a groove, a motor, a limiting plate, a worm wheel, a worm, an electric telescopic rod and a machine room; the lower surface of the mounting box is fixedly connected to the outer side wall of the engine room. The utility model discloses a wind vane drives the pivot, the pivot drives the stationary blade, the fixed plate exerts pressure to pressure sensor, then drive the worm through controller control motor and rotate, and then change the orientation of aircraft nose, can cushion the power that the stationary blade received through spring damper, set for the rated pressure value through pressure sensor, only just can the transmission signal when aircraft nose orientation is great with the wind direction difference, avoided the aircraft nose frequently to follow the wind direction and rotated, wind turbine generator system's life has been prolonged.

Description

Head positioning device

The technical field is as follows:

the utility model relates to a positioner specifically is a aircraft nose positioner, belongs to wind power generation technical field.

Background art:

the wind driven generator generally comprises a blade, a hub, a speed-increasing gearbox, a generator, a main shaft, a yaw device, a control system, a tower and other components, wherein the blade is driven to rotate by wind power, and the rotating speed is increased through the speed-increasing gearbox to promote the generator to generate electricity; in the wind power generation process, the orientation of the head part is particularly important, and when the orientation of the head is parallel to the wind direction, the power generation effect is optimal.

When the orientation of a machine head of an existing wind driven generator is adjusted, the orientation of the machine head is generally adjusted by a wind direction control device, and the machine head frequently rotates due to variable wind directions of natural wind, so that abrasion is caused, the service life of the wind driven generator is shortened, and therefore the machine head positioning device is provided.

The utility model has the following contents:

an object of the utility model is to provide a aircraft nose positioner to solve one of the problems that proposes in the above-mentioned background art.

The utility model discloses by following technical scheme implement: a machine head positioning device comprises a positioning assembly, wherein the positioning assembly comprises a rotating shaft, a wind vane, a pressure sensor, a mounting box, a fixing plate, a controller, a fixing plate, two spring dampers, a groove, a motor, a limiting plate, a worm gear, a worm, an electric telescopic rod and a machine room;

the lower fixed surface of mounting box is connected in the lateral wall of cabin, the lower surface of pivot rotates to be connected in the interior diapire center of mounting box, the upper surface of pivot runs through the upper surface center of mounting box and rotates with the mounting box to be connected, wind vane fixed connection is in the upper surface of pivot, fixed plate fixed connection is in the lateral wall of pivot, two the pressure sensor symmetry is installed in the inner wall both sides of mounting box, the both sides of fixed plate are laminated in two pressure sensor's adjacent surface respectively, the upper surface of fixed plate is seted up to the recess, the back fixed surface of stationary blade is connected in the lateral wall of pivot.

As a further preferred aspect of the present invention: the adjacent ends of the two spring dampers are symmetrically and fixedly connected to two sides of the fixed sheet, one end, far away from the fixed sheet, of each spring damper is fixedly connected to the inner side wall of the corresponding groove, the fixed sheet is located inside the corresponding groove, the controller is installed on the inner rear wall of the installation box, and the installation box is located right above the engine room.

As further preferable in the present technical solution: the motor is installed in the interior diapire of cabin, the one end fixed connection of worm is in the output shaft of motor, the lateral wall meshing of worm is connected in the lateral wall of worm wheel, the worm rotates through two bearing frames and connects in the interior diapire of cabin.

As further preferable in the present technical solution: the telescopic shaft of the electric telescopic rod is fixedly connected to the front surface of the limiting plate, teeth matched with the worm wheel are formed in the rear surface of the limiting plate, and the rear surface of the limiting plate is connected to the outer side wall of the worm wheel through the teeth matched with the worm wheel in an engaged mode.

As further preferable in the present technical solution: a main body assembly is arranged outside the engine room and comprises a tower, a mounting block, two guide columns and a hub;

the nacelle is rotatably connected to an outer side wall of a tower, a top end of the tower is located inside the nacelle, and the hub is mounted on a rear surface of the nacelle.

As further preferable in the present technical solution: the mounting block is fixedly connected to the outer side wall of the electric telescopic rod, and the lower surface of the mounting block is fixedly connected to the inner bottom wall of the cabin.

As further preferable in the present technical solution: and one ends of the two guide posts are symmetrically and fixedly connected to the front surface of the limiting plate, and the other ends of the guide posts penetrate through the front surface of the mounting block and are in sliding connection with the mounting block.

As further preferable in the present technical solution: the lower surface of the worm wheel is fixedly connected to the upper surface of the tower.

The utility model has the advantages that: the utility model discloses a wind vane drives the pivot, the pivot drives the stationary blade, the fixed plate exerts pressure to pressure sensor, then drive the worm through controller control motor and rotate, because the worm is connected with the worm wheel meshing, therefore the pylon can be surrounded in the cabin and the rotation, and then change the orientation of aircraft nose, when the outside meets the crosswind suddenly, can cushion the power that the stationary blade received through the spring damper, set for rated pressure value through pressure sensor, only just can the transmission signal when aircraft nose orientation is great with the wind direction gap, avoided the aircraft nose frequently to follow the wind direction and rotate, wind turbine generator system's life has been prolonged.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the mounting block of the present invention;

FIG. 3 is a schematic structural view of the positioning assembly of the present invention;

fig. 4 is a schematic view of the fixing plate structure of the present invention;

fig. 5 is a schematic structural diagram of the mounting box of the present invention.

In the figure: 101. a positioning assembly; 11. a rotating shaft; 12. a wind vane; 13. a pressure sensor; 14. mounting a box; 16. a fixing plate; 17. a controller; 18. a fixing sheet; 19. a spring damper; 20. a groove; 21. a motor; 22. a limiting plate; 23. a worm gear; 24. a worm; 25. an electric telescopic rod; 26. a nacelle; 301. a main body assembly; 31. a tower; 32. mounting a block; 33. a guide post; 34. a hub.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: a machine head positioning device comprises a positioning assembly 101, wherein the positioning assembly 101 comprises a rotating shaft 11, a wind vane 12, a pressure sensor 13, a mounting box 14, a fixing plate 16, a controller 17, a fixing plate 18, two spring dampers 19, a groove 20, a motor 21, a limiting plate 22, a worm wheel 23, a worm 24, an electric telescopic rod 25 and a cabin 26;

the lower fixed surface of mounting box 14 is connected in the lateral wall of cabin 26, the lower surface of pivot 11 rotates to be connected in the interior diapire center of mounting box 14, the upper surface of pivot 11 runs through the upper surface center of mounting box 14 and rotates with mounting box 14 to be connected, wind vane 12 fixed connection is in the upper surface of pivot 11, fixed plate 16 fixed connection is in the lateral wall of pivot 11, two pressure sensor 13 symmetries are installed in the inner wall both sides of mounting box 14, the both sides of fixed plate 16 laminate respectively in two pressure sensor 13's adjacent surface, the upper surface in fixed plate 16 is seted up to recess 20, the back fixed surface of stationary blade 18 is connected in the lateral wall of pivot 11.

In this embodiment, specifically: the adjacent ends of the two spring dampers 19 are symmetrically and fixedly connected to two sides of the fixing plate 18, one end, far away from the fixing plate 18, of the spring damper 19 is fixedly connected to the inner side wall of the groove 20, the fixing plate 18 is located inside the groove 20, the controller 17 is installed on the inner rear wall of the installation box 14, the installation box 14 is located right above the cabin 26, when external wind power changes suddenly, the wind vane 12 drives the rotating shaft 11 to rotate, the rotating shaft 11 drives the fixing plate 18, the fixing plate 18 extrudes the spring dampers 19, the received force can be buffered, when the external wind power changes stably, the rotating shaft 11 pushes the spring dampers 19 through the fixing plate 18, the spring dampers 19 push the fixing plate 16, the fixing plate 16 applies pressure to the pressure sensor 13, when the pressure reaches a rated value, the pressure sensor 13 transmits a signal to the controller 17, and the controller 17 controls the motor 21 to rotate and the electric telescopic rod 25 to shorten respectively.

In this embodiment, specifically: the motor 21 is installed on the inner bottom wall of the nacelle 26, one end of the worm 24 is fixedly connected to an output shaft of the motor 21, the outer side wall of the worm 24 is meshed with the outer side wall of the worm wheel 23, the worm 24 is rotatably connected to the inner bottom wall of the nacelle 26 through two bearing seats, the telescopic shaft of the electric telescopic rod 25 is fixedly connected to the front surface of the limiting plate 22, the rear surface of the limiting plate 22 is provided with teeth matched with the worm wheel 23, the rear surface of the limiting plate 22 is meshed with the outer side wall of the worm wheel 23 through the teeth matched with the worm wheel 23, the lower surface of the worm wheel 23 is fixedly connected to the upper surface of the tower 31, when the electric telescopic rod 25 is shortened, the limiting plate 22 is driven to be away from the worm wheel 23, the position limitation on the worm wheel 23 can be removed, the worm 24 is driven to rotate through the motor 21, the worm 24 is meshed with the worm wheel 23, and the position of the worm wheel 23 is fixed, so that the nacelle 26 rotates along the tower 31, the wheel hub 34 is driven by the nacelle 26, and the nose facing direction of the aircraft nose is adjusted.

In this embodiment, specifically: the exterior of the nacelle 26 is provided with a main body assembly 301, the main body assembly 301 comprising a tower 31, a mounting block 32, two guide posts 33 and a hub 34;

the nacelle 26 is rotatably connected to the outer side wall of the tower 31, the top end of the tower 31 is located inside the nacelle 26, the hub 34 is mounted on the rear surface of the nacelle 26, the mounting block 32 is fixedly connected to the outer side wall of the electric telescopic rod 25, the lower surface of the mounting block 32 is fixedly connected to the inner bottom wall of the nacelle 26, one ends of the two guide posts 33 are symmetrically and fixedly connected to the front surface of the limiting plate 22, the other ends of the guide posts 33 penetrate through the front surface of the mounting block 32 and are slidably connected with the mounting block 32, the electric telescopic rod 25 can be fixed inside the nacelle 26 through the mounting block 32, the position of the limiting plate 22 can be limited through the guide posts 33, the limiting plate 22 and the worm wheel 23 are further fixed to each other, and the position of the nacelle 26 can be fixed through the limiting plate 22 and the worm wheel 23.

In this embodiment, specifically: the electrical input ends of the controller 17 and the pressure sensor 13 are respectively connected with a power supply in the generator set, the electrical output end of the controller 17 is respectively electrically connected with the electrical input ends of the motor 21 and the electric telescopic rod 25 through wires to supply power for the motor 21 and the electric telescopic rod 25, and the signal output end of the pressure sensor 13 is connected with the signal input end of the controller 17 through a connecting wire.

The utility model discloses controller 17's model does: OHR-PR10, the model number of the pressure sensor 13 is: NF406.

Working principle or structural principle, when in use, the wind vane 12 is used for sensing the external wind direction, when the wind direction changes, the wind vane 12 can swing along with the wind, the wind vane 12 drives the rotating shaft 11 to rotate, the rotating shaft 11 drives the fixed plate 18 to rotate, the fixed plate 18 pushes the fixed plate 16 to rotate through the spring damper 19, the fixed plate 16 pushes the pressure sensor 13, the pressure sensor 13 senses the pressure from the fixed plate 16, when the external wind direction changes little, the pressure exerted by the fixed plate 16 on the pressure sensor 13 is small, at the moment, the pressure sensor 13 does not react, the windward direction of the blade is unchanged, when the external wind direction changes greatly, the fixed plate 16 increases the pressure on the pressure sensor 13, when the rated value of the pressure sensor 13 is reached, the pressure sensor 13 transmits a signal to the controller 17, the controller 17 controls the electric telescopic rod 25 to shorten and the motor 21 to rotate, the motor 21 drives the worm 24 to rotate, the worm 24 is meshed with the worm wheel 23, the worm 24 and the motor 21 are both fixed inside the cabin 26, therefore, the cabin 26 rotates around the tower 31 at the moment, the cabin 26 drives the hub 34, the hub 34 drives the blades, the orientation of the machine head can be adjusted, the external wind direction is sensed in real time through the wind vane 12, when the pressure of the fixing plate 16 on the pressure sensor 13 is reduced to a rated value, the pressure sensor 13 transmits the signal to the controller 17, the controller 17 controls the motor 21 to stop working, the electric telescopic rod 25 extends, teeth of the limiting plate 22 are meshed with the worm wheel 23, and the position of the cabin 26 is fixed at the moment.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The machine head positioning device is characterized by comprising a positioning assembly (101), wherein the positioning assembly (101) comprises a rotating shaft (11), a wind vane (12), two pressure sensors (13), a mounting box (14), a fixing plate (16), a controller (17), a fixing plate (18), two spring dampers (19), a groove (20), a motor (21), a limiting plate (22), a worm wheel (23), a worm (24), an electric telescopic rod (25) and a machine room (26);

the lower surface fixed connection of mounting box (14) is in the lateral wall of cabin (26), the lower surface rotation of pivot (11) is connected in the interior diapire center of mounting box (14), the upper surface of pivot (11) runs through the upper surface center of mounting box (14) and rotates with mounting box (14) and is connected, vane (12) fixed connection is in the upper surface of pivot (11), fixed plate (16) fixed connection is in the lateral wall of pivot (11), two pressure sensor (13) symmetry is installed in the inner wall both sides of mounting box (14), the both sides of fixed plate (16) are laminated respectively in the adjacent surface of two pressure sensor (13), the upper surface of fixed plate (16) is seted up in recess (20), the back fixed surface of stationary blade (18) is connected in the lateral wall of pivot (11).

2. A head positioning apparatus according to claim 1, wherein: the two adjacent ends of the spring dampers (19) are symmetrically and fixedly connected to two sides of the fixing plate (18), one end, far away from the fixing plate (18), of each spring damper (19) is fixedly connected to the inner side wall of the corresponding groove (20), the fixing plate (18) is located inside the corresponding groove (20), the controller (17) is installed on the inner rear wall of the installation box (14), and the installation box (14) is located right above the engine room (26).

3. A head positioning device as defined in claim 1, wherein: the motor (21) is installed on the inner bottom wall of the cabin (26), one end of the worm (24) is fixedly connected to an output shaft of the motor (21), the outer side wall of the worm (24) is connected to the outer side wall of the worm wheel (23) in a meshed mode, and the worm (24) is connected to the inner bottom wall of the cabin (26) in a rotating mode through two bearing seats.

4. A head positioning device as defined in claim 1, wherein: the telescopic shaft of electric telescopic handle (25) fixed connection is in the front surface of limiting plate (22), the tooth with worm wheel (23) looks adaptation is seted up to the rear surface of limiting plate (22), the rear surface of limiting plate (22) is connected in the lateral wall of worm wheel (23) through the tooth meshing with worm wheel (23) looks adaptation.

5. A head positioning apparatus according to claim 3, wherein: a main body assembly (301) is arranged outside the nacelle (26), wherein the main body assembly (301) comprises a tower (31), a mounting block (32), two guide columns (33) and a hub (34);

the nacelle (26) is rotatably connected to the outer side wall of a tower (31), the top end of the tower (31) is located inside the nacelle (26), and the hub (34) is mounted on the rear surface of the nacelle (26).

6. A head positioning apparatus according to claim 5, wherein: the mounting block (32) is fixedly connected to the outer side wall of the electric telescopic rod (25), and the lower surface of the mounting block (32) is fixedly connected to the inner bottom wall of the cabin (26).

7. A head positioning device according to claim 5, wherein: one end of each of the two guide columns (33) is symmetrically and fixedly connected to the front surface of the limiting plate (22), and the other end of each guide column (33) penetrates through the front surface of the mounting block (32) and is in sliding connection with the mounting block (32).

8. A head positioning device according to claim 4, wherein: the lower surface of the worm wheel (23) is fixedly connected to the upper surface of the tower (31).