CN219795446U - Braking device of wind driven generator - Google Patents

Abstract

The utility model belongs to the technical field of wind power generation braking equipment, in particular to a braking device of a wind power generator, a driving motor is arranged on a shell base, a fan blade rotating shaft is rotationally connected to the shell base, two groups of wear-resistant sleeves are arranged on the fan blade rotating shaft at intervals, the fan blade rotating shaft is driven by the driving motor, two groups of supporting plates are fixedly connected to the shell base at intervals, sliding grooves are formed in the two groups of supporting plates, two groups of moving plates are slidably connected in the sliding grooves, the two groups of moving plates are driven by a power device, two groups of damping rods are fixedly connected to the two groups of moving plates at intervals, the extending ends of the two groups of damping rods are fixedly connected with braking plates corresponding to the wear-resistant sleeves, and buffer springs are arranged between the braking plates and the moving plates, and the braking device has the beneficial effects that: the utility model has good braking capability, obvious braking effect, convenient replacement of the wear-resisting plate and capability of ensuring good working environment of the generator.

Description

Braking device of wind driven generator

Technical Field

The utility model belongs to the technical field of wind power generation braking equipment, and particularly relates to a braking device of a wind power generator.

Background

The wind driven generator is power equipment for converting wind energy into mechanical work, wherein the mechanical work drives a rotor to rotate, and finally, alternating current is output; the working principle of the wind driven generator is simple, the wind wheel rotates under the action of wind force, the kinetic energy of wind is converted into mechanical energy of the wind wheel shaft, and the generator rotates to generate electricity under the drive of the wind wheel shaft;

however, when the wind speed is too high, the external environment is changed or the wind turbine generator fails, the wind turbine generator needs to be stopped and braked, and the existing braking mode adopts the cooperation of a brake and the fan blade rotating shaft to brake the wind turbine generator.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a braking device of a wind driven generator, which solves the technical problems that the service life of a fan blade rotating shaft is reduced and the abrasion is serious when a brake is adopted for braking.

The scheme adopted by the utility model is as follows: the utility model provides a wind-driven generator's arresting gear, includes flabellum axis of rotation, driving motor, casing base, its characterized in that, the casing base on be equipped with driving motor, the casing base on rotate and be connected with the flabellum axis of rotation, the flabellum axis of rotation on the interval be equipped with two sets of wear-resisting covers, the flabellum axis of rotation by driving motor drive, the casing base on interval fixedly connected with two sets of backup pads, two sets of the backup pad on all set up the sliding tray, sliding connection have two sets of movable plates in the sliding tray, two sets of movable plates drive by power device, two sets of movable plate on interval fixedly connected with two sets of damping bars, two sets of damping bar stretch out end fixedly connected with and wear-resisting cover correspond the braking plate, braking plate and movable plate between be equipped with buffer spring.

Preferably, the power device comprises one group of bidirectional screw rods which are rotationally connected in the sliding groove, the other group of guide shafts which are fixedly connected in the sliding groove, two groups of movable plates which are matched with the bidirectional screw rods and the guide shafts are in sliding connection in the sliding groove, a fixed rod is fixedly connected between the two groups of movable plates, a right angle motor is fixedly connected at the bottom of one group of the support plate, an output shaft of the right angle motor is fixedly connected with the output shaft of the bidirectional screw rods, and the right angle motor is electrically connected with the controller.

Preferably, the brake plate is provided with a mounting groove, the wear plate corresponding to the wear sleeve is slidably matched in the mounting groove, and the wear plate is fixedly connected with the mounting groove through a screw.

Preferably, the two groups of the supporting plates are detachably connected with the collecting boxes corresponding to the wear-resistant sleeves.

Preferably, a telescopic plate is arranged between the sliding groove and the moving plate.

The utility model has the beneficial effects that: the utility model has the advantages that the two-way screw rod can be driven to act through starting the right-angle motor, the two groups of moving plates and the other two groups of moving plates are driven to move towards the direction close to the fan blade rotating shaft at the same time, as the wear-resisting plates are arranged on the brake plate, the friction force is increased, meanwhile, the damage to the surface of the fan blade rotating shaft is avoided, when the wear-resisting plates overcome the elasticity of the damping rod and the buffer spring and the wear-resisting sleeve are completely matched, the fan blade rotating shaft can be locked, the fan blade rotating shaft can not act, if the wear-resisting plates and the wear-resisting sleeve are not completely matched, the force generated by the fan blade rotating shaft and the brake plate can be absorbed by the damping rod and the buffer spring, compared with the prior art, the utility model has good braking capability, the braking effect is obvious, the wear-resisting plates are convenient to replace, and a good working environment of the generator can be ensured.

Drawings

Fig. 1 is one of the perspective cross-sectional views of the present utility model.

Fig. 2 is a partial enlarged view of B of fig. 1.

Fig. 3 is a second perspective cross-sectional view of the present utility model.

Fig. 4 is a partial enlarged view of fig. 3 a.

Fig. 5 is a three-dimensional cross-sectional view of the present utility model.

Reference numerals: 1. a fan blade rotating shaft; 2. a driving motor; 3. a housing base; 4. a wear-resistant sleeve; 5. a support plate; 6. a sliding groove; 7. a moving plate; 8. a damping rod; 9. a brake plate; 10. a buffer spring; 11. a bidirectional screw rod; 12. a guide shaft; 13. a fixed rod; 14. a right angle motor; 15. a mounting groove; 16. a wear plate; 17. a screw; 18. collecting box, 19, and expansion plate.

Detailed Description

The foregoing and other features, aspects and advantages of the present utility model will become more apparent from the following detailed description of the embodiments with reference to the accompanying drawings 1-5. The following embodiments are described in detail with reference to the drawings.

Exemplary embodiments of the present utility model will be described below with reference to the accompanying drawings.

The first embodiment of the utility model is a braking device of a wind driven generator, which comprises a fan blade rotating shaft 1, a driving motor 2 and a shell base 3, and is characterized in that the shell base 3 is provided with the driving motor 2, the shell base 3 is rotationally connected with the fan blade rotating shaft 1, two groups of wear-resistant sleeves 4 are arranged on the fan blade rotating shaft 1 at intervals, the fan blade rotating shaft 1 is driven by the driving motor 2, two groups of support plates 5 are fixedly connected with the shell base 3 at intervals, sliding grooves 6 are respectively formed in the two groups of support plates 5, two groups of moving plates 7 are connected with two groups of moving plates 7 in a sliding manner, the two groups of moving plates 7 are driven by a power device, two groups of damping rods 8 are fixedly connected with two groups of damping rods 8 at intervals, the extending ends of the damping rods 8 are fixedly connected with braking plates 9 corresponding to the wear-resistant sleeves 4, and buffer springs 10 are arranged between the braking plates 9 and the moving plates 7.

When the fan blade is used, the fan blade rotates under the action of wind to drive the fan blade rotating shaft 1 to rotate, kinetic energy is transmitted to the driving motor 2 to be converted into electric energy, when maintenance is needed or the rotating speed is too fast, the driving device can drive the moving plates 7 to act, the two groups of moving plates 7 are connected with the braking plates 9 through the damping rods 8 and the buffer springs 10, the four groups of moving plates 7 are close to the fan blade rotating shaft 1 until the braking plates 9 are contacted with the fan blade rotating shaft 1, when the braking plates 9 are contacted with the fan blade rotating shaft 1, part of energy generated by the fan blade rotating shaft 1 and the braking plates 9 can be absorbed by the damping rods 8 and the buffer springs 10, the position of the moving plates 7 can be adjusted by starting the driving motor 2, so that gradual deceleration is realized, the closer the moving plates 7 are to the fan blade rotating shaft 1, the braking effect is more obvious, and the service life of the fan blade rotating shaft 1 is prolonged under the action of the damping rods 8 and the buffer springs 10.

In the second embodiment, on the basis of the first embodiment, the power device includes a bidirectional screw rod 11 rotationally connected in one group of the sliding grooves 6, a guiding shaft 12 fixedly connected in the other group of the sliding grooves 6, moving plates 7 matched with the bidirectional screw rod 11 and the guiding shaft 12 are slidingly connected in the two groups of the sliding grooves 6, a fixing rod 13 is fixedly connected between the two groups of the moving plates 7, a right angle motor 14 is fixedly connected to the bottom of one group of the supporting plates 5, an output shaft of the right angle motor 14 is fixedly connected with an output shaft of the bidirectional screw rod 11, and the right angle motor 14 is electrically connected with a controller; the brake plate 9 is provided with a mounting groove 15, a wear-resistant plate 16 corresponding to the wear-resistant sleeve 4 is slidably matched in the mounting groove 15, and the wear-resistant plate 16 is fixedly connected with the mounting groove 15 through a screw 17; the two groups of the supporting plates 5 are detachably connected with collecting boxes 18 corresponding to the wear-resistant sleeves 4; a telescopic plate 19 is arranged between the sliding groove 6 and the moving plate 7.

When the embodiment is used, when braking is needed, the right-angle motor 14 is started to drive the bidirectional screw rod 11, as the two groups of moving plates 7 are in threaded connection with one end of the bidirectional screw rod 11, the other two groups of moving plates 7 are in threaded connection with the other end of the bidirectional screw rod 11, and the fixed rod 13 is fixedly connected between the moving plates 7, therefore, when the right-angle motor 14 is driven, the two groups of moving plates 7 and the other two groups of moving plates 7 can be driven to move towards the direction close to the fan blade rotating shaft 1 at the same time, due to the fact that the wear-resisting plate 16 is arranged on the braking plate 9, the friction force is increased, meanwhile, the surface of the fan blade rotating shaft 1 is prevented from being damaged, in the braking process, the large friction force generated between the wear-resisting plate 16 and the wear-resisting sleeve 4 can generate fragments, and the collection box 18 corresponding to the wear-resisting sleeve 4 is detachably connected on the supporting plate 5 to collect the fragments, and wait for centralized processing, the situation that dust is generated on the housing base 3 is guaranteed, and the influence on the heat dissipation function of the generator is avoided.

The above description is only for the purpose of illustrating the utility model, and it should be understood that the utility model is not limited to the above embodiments, but various modifications consistent with the idea of the utility model are within the scope of the utility model.

Claims (5)

1. The utility model provides a wind-driven generator's arresting gear, includes flabellum axis of rotation (1), driving motor (2), casing base (3), its characterized in that, casing base (3) on be equipped with driving motor (2), casing base (3) on rotate and be connected with flabellum axis of rotation (1), flabellum axis of rotation (1) on the interval be equipped with two sets of wear-resisting cover (4), flabellum axis of rotation (1) by driving motor (2) drive, casing base (3) on interval fixedly connected with two sets of backup pad (5), two sets of backup pad (5) on all set up sliding tray (6), sliding tray (6) sliding connection have two sets of movable plate (7), two sets of movable plate (7) by power device drive, two sets of movable plate (7) on interval fixedly connected with two sets of damping pole (8), two sets of damping pole (8) stretch out end fixedly connected with and wear-resisting cover (4) corresponding braking plate (9), braking plate (9) and movable plate (7) between be equipped with buffer spring (10).

2. The braking device of the wind driven generator according to claim 1, wherein the power device comprises a group of bidirectional screw rods (11) which are rotationally connected with the sliding grooves (6), a group of guide shafts (12) which are fixedly connected with the sliding grooves (6), two groups of movable plates (7) which are matched with the bidirectional screw rods (11) and the guide shafts (12) and are slidably connected with the sliding grooves (6), fixed rods (13) are fixedly connected between the two groups of movable plates (7), a group of right-angle motors (14) are fixedly connected with the bottoms of the supporting plates (5), output shafts of the right-angle motors (14) are fixedly connected with the output shafts of the bidirectional screw rods (11), and the right-angle motors (14) are electrically connected with the controller.

3. The braking device of the wind driven generator according to claim 2, wherein the braking plate (9) is provided with a mounting groove (15), a wear-resisting plate (16) corresponding to the wear-resisting sleeve (4) is slidably matched in the mounting groove (15), and the wear-resisting plate (16) is fixedly connected with the mounting groove (15) through a screw (17).

4. A braking device for a wind power generator according to claim 3, characterized in that the two sets of support plates (5) are detachably connected with collecting boxes (18) corresponding to the wear-resistant sleeves (4).

5. A braking device for a wind power generator according to claim 4, wherein a telescopic plate (19) is arranged between the sliding groove (6) and the moving plate (7).