CN211258883U - Yaw device of wind generating set - Google Patents

Abstract

The utility model belongs to the technical field of solar energy power generation and specifically relates to a wind generating set driftage device, including the drive division, braking portion and supporting part, the drive division is installed in braking portion below, the braking portion is installed in the supporting part top, the horizontal pole is installed on No. two pivot tops, whole driftage device utilizes the dual braking of motor and thin slice, thereby make fan stall protection unit, utilize the bearing to bear this drive division weight simultaneously, hollow support column bears whole driftage unit weight, can effectively increase unit stability, and reduce the shared space of unit, the real-time rotation of motor, make the fan change along with the change of wind direction, furthest's catching wind energy, increase the generated energy.

Description

Yaw device of wind generating set

Technical Field

The utility model belongs to the technical field of solar energy power generation and specifically relates to a wind generating set driftage device.

Background

Wind energy is the most mature and fastest-developing clean energy in renewable energy sources, and is also the renewable energy source with the greatest prospect of large-scale development and commercialization development. The wind power generator is realized by utilizing wind power to drive the windmill blades to rotate, and then the rotating speed is increased through the speed increaser, so that the generator is promoted to generate electricity.

At present, in order to provide larger driving torque, 2-4 sets of input with a yaw motor and a speed reducer are adopted in most of existing units, the occupied space is large, the cost is high, the yaw asynchronous phenomenon occurs due to the time difference existing in signal input, the stress direction of an impeller is not fixed, the fan shakes and has larger noise when the yaw motor is started or stopped, and the gears or the friction wheels are frequently collided and rubbed on the joint surface, so that the service life is influenced. When wind power is too large, the rotation speed of the fan blade is high, and when the speed reaches a certain value, the fan cannot be stopped, runaway is easy to happen, and the fan is damaged.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: can guarantee in order to solve driftage system that the fan follows the wind direction and change the problem, the utility model provides a wind generating set yaw device through controller real time control motor, and the motor drives the driving gear, thereby the driving gear drives driven gear and drives the horizontal pole rotation. Because can damage the unit when wind-force is too big, the utility model discloses a motor and thin slice dual control disc make it stop, and the effectual blade that has reduced has improved the life of fan because of the equipment damage that the driving caused.

In order to solve the instability of wind to guarantee that the fan changes along with the wind direction, the utility model provides a wind generating set driftage device is equipped with the anemoscope in horizontal pole one end, and the real-time detection wind direction changes to the rotation of timely control motor makes the fan change along with the change of wind direction, and furthest's seizure wind energy increases the generated energy.

When too big in order to solve wind-force, the unit is not fixed, damages the fan easily, the utility model provides a wind generating set driftage device utilizes the dual braking of motor and thin slice now, thereby makes fan stall protection unit, utilizes the bearing to bear this drive division weight simultaneously, and hollow support column bears whole driftage unit weight, can effectively increase unit stability, and dwindles the shared space of unit.

The utility model provides a technical scheme that its technical problem adopted is: a yaw device of a wind generating set comprises a driving part, a braking part, a supporting part and a cross rod, wherein the driving part is arranged below the braking part, the braking part is arranged above the supporting part, and the cross rod is arranged at the top end of a second rotating shaft;

the driving part comprises a second rotating shaft, a driving gear, a first rotating shaft, a motor, a through hole and a driven gear, one end of the second rotating shaft is fixedly connected with the driven gear, the driving gear is meshed with the driven gear, one end of the first rotating shaft is fixedly connected with the driving gear, and the motor is arranged below the first rotating shaft;

the brake part comprises a rectangular block, sheets, a first screw and a disc, the rectangular block is fixedly connected with the support column through the first screw, the sheets are arranged on the inner side of the rectangular block, and the disc is arranged between the two sheets;

the supporting part comprises a blind hole, a second screw, a supporting column and a bearing, the blind hole is combined with the first screw to fix the rectangular block, the second screw enables the motor to be fixedly connected with the supporting column through a through hole, the supporting column is installed below the rectangular block, and the bearing is installed at the top end of the supporting column;

the first screw is matched with the blind hole;

the outer side of the bearing is fixedly connected with the support column, and the inner side of the bearing is matched with the second rotating shaft;

the second rotating shaft is fixedly connected with one side of the disc.

In particular, the material of the sheet is rubber.

Specifically, the top end of the support column is provided with 4 through holes.

Furthermore, the motor and the driving gear are located on the same axis, the driven gear and the second rotating shaft are located on the same axis, the second rotating shaft and the bearing are located on the same axis, and the two rectangular blocks are located on the same axis.

Further, the support columns are of hollow structures, and the cross rods are of hollow structures.

Further, the cross rod is horizontally arranged at the top end of the second rotating shaft.

The utility model provides a wind generating set yaw device, through controller real time control motor, the motor drives the driving gear, thereby the driving gear drives driven gear and drives the horizontal pole rotation. Because can damage the unit when wind-force is too big, the utility model discloses a motor and thin slice dual control disc make it stop, and the effectual blade that has reduced has improved the life of fan because of the equipment damage that the driving caused.

The utility model provides a wind generating set driftage device is equipped with the anemoscope in horizontal pole one end, and the real-time detection wind direction changes to in time the rotation of control motor makes the fan change along with the change of wind direction, and furthest's seizure wind energy increases the generated energy.

The utility model provides a wind generating set driftage device utilizes the dual braking of motor and thin slice now, thereby makes fan stall protection unit, utilizes the bearing to bear this drive division weight simultaneously, and hollow support column bears whole driftage unit weight, can effectively increase unit stability, and dwindles the shared space of unit.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural view of a yaw device of a wind generating set according to the present invention;

fig. 2 is a schematic structural view of a driving part of a yawing device of a wind generating set according to the present invention;

fig. 3 is a schematic structural view of a braking portion of a yawing device of a wind generating set according to the present invention;

fig. 4 is a schematic structural view of a supporting portion of a yawing device of a wind generating set according to the present invention;

in the figure: the brake device comprises a driving part 1, a braking part 2, a supporting part 3, a cross rod 4, a rotating shaft 11-II, a driving gear 12, a rotating shaft 13-I, a motor 14, a through hole 15, a driven gear 16, a rectangular block 21, a sheet 22, a screw 23-I, a disc 24, a blind hole 31, a screw 32-II, a support column 33 and a bearing 34.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1, the yaw device of the wind generating set comprises a driving part 1, a braking part 2, a supporting part 3 and a cross rod 4, wherein the driving part 1 is installed below the braking part 2, the braking part 2 is installed above the supporting part 3, and the cross rod 4 is installed at the top end of a second rotating shaft 11; the driving part 1 comprises a second rotating shaft 11, a driving gear 12, a first rotating shaft 13, a motor 14, a through hole 15 and a driven gear 16, one end of the second rotating shaft 11 is fixedly connected with the driven gear 16, the driving gear 12 is meshed with the driven gear 16, one end of the first rotating shaft 13 is fixedly connected with the driving gear 12, and the motor 14 is arranged below the first rotating shaft 13; the braking part 2 comprises a rectangular block 21, sheets 22, a first screw 23 and a disc 24, the rectangular block 21 is fixedly connected with a supporting column 33 through the first screw 23, the sheets 22 are arranged on the inner side of the rectangular block 21, and the disc 24 is arranged between the two sheets 22; the supporting part 3 comprises a blind hole 31, a second screw 32, a supporting column 33 and a bearing 34, the blind hole 31 is combined with the first screw 23 to fix the rectangular block 21, the second screw 32 enables the motor 14 to be fixedly connected with the supporting column 33 through a through hole 15, the supporting column 33 is installed below the rectangular block 21, and the bearing 34 is installed at the top end of the supporting column 33; the first screw 23 is matched with the blind hole 31; the outer side of the bearing 34 is fixedly connected with the supporting column 33, and the inner side of the bearing 34 is matched with the second rotating shaft 11; the second rotating shaft 11 is fixedly connected with one side of the disc 24.

Wherein the material of the sheet 22 is rubber.

Wherein the top of the supporting column 33 is provided with 4 through holes 15.

The motor 14 and the driving gear 12 are on the same axis, the driven gear 16 and the second rotating shaft 11 are on the same axis, the second rotating shaft 11 and the bearing 34 are on the same axis, and the two rectangular blocks 21 are on the same axis.

Preferably, the supporting columns 33 are hollow, and the cross bar 4 is hollow.

Wherein, the cross rod 4 is horizontally arranged at the top end of the second rotating shaft 11.

When the yawing system works, when the anemoscope detects wind direction and transmits instructions to the motor 14 in real time, the motor 14 drives the first rotating shaft 13, the first rotating shaft 13 drives the driving gear 12, the driving gear 12 drives the driven gear 16, the driven gear 16 drives the second rotating shaft 11 to rotate, finally, the second rotating shaft 11 drives the cross rod 4 to rotate, and the yawing system can control the fan to face the wind all the time in real time, so that the maximum wind power is obtained, and the function of the yawing system is realized. When the wind power is too large and is not suitable for the unit to operate, the motor 14 can stop rotating, and the unit is controlled in real time to enable the unit to face the wind in a lateral direction, so that the brake effect of the thin sheet 22 in the rectangular block 21 on the disc 24 is realized under the minimum wind power, the brake pressure of the motor 14 can be greatly relieved, and the stability of the whole unit is ensured.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (6)

1. The utility model provides a wind generating set yaw device, includes drive division (1), braking portion (2), supporting part (3) and horizontal pole (4), install in braking portion (2) below drive division (1), install in supporting part (3) top braking portion (2), install on No. two pivot (11) tops horizontal pole (4), its characterized in that:

the driving part (1) comprises a second rotating shaft (11), a driving gear (12), a first rotating shaft (13), a motor (14), a through hole (15) and a driven gear (16), one end of the second rotating shaft (11) is fixedly connected with the driven gear (16), the driving gear (12) is meshed with the driven gear (16), one end of the first rotating shaft (13) is fixedly connected with the driving gear (12), and the motor (14) is installed below the first rotating shaft (13);

the brake part (2) comprises a rectangular block (21), sheets (22), a first screw (23) and a disc (24), the rectangular block (21) is fixedly connected with a supporting column (33) through the first screw (23), the sheets (22) are installed on the inner side of the rectangular block (21), and the disc (24) is installed between the two sheets (22);

the supporting part (3) comprises a blind hole (31), a second screw (32), a supporting column (33) and a bearing (34), the blind hole (31) and the first screw (23) are combined to fix the rectangular block (21), the second screw (32) enables the motor (14) and the supporting column (33) to be fixedly connected through a through hole (15), the supporting column (33) is installed below the rectangular block (21), and the bearing (34) is installed at the top end of the supporting column (33);

the first screw (23) is matched with the blind hole (31);

the outer side of the bearing (34) is fixedly connected with the supporting column (33), and the inner side of the bearing (34) is matched with the second rotating shaft (11);

and the second rotating shaft (11) is fixedly connected with one side of the disc (24).

2. The yawing device for wind generating sets according to claim 1, wherein: the material of the sheet (22) is rubber.

3. The yawing device for wind generating sets according to claim 1, wherein: the top end of the supporting column (33) is provided with 4 through holes.

4. The yawing device for wind generating sets according to claim 1, wherein: the motor (14) and the driving gear (12) are located on the same axis, the driven gear (16) and the second rotating shaft (11) are located on the same axis, the second rotating shaft (11) and the bearing (34) are located on the same axis, and the two rectangular blocks (21) are located on the same axis.

5. The yawing device for wind generating sets according to claim 1, wherein: the support columns (33) are of hollow structures, and the cross rods (4) are of hollow structures.

6. The yawing device for wind generating sets according to claim 1, wherein: the cross rod (4) is horizontally arranged at the top end of the second rotating shaft (11).

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