CN218760226U - Small wind generating set with pitching rotation function - Google Patents
Small wind generating set with pitching rotation function Download PDFInfo
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- CN218760226U CN218760226U CN202222722501.3U CN202222722501U CN218760226U CN 218760226 U CN218760226 U CN 218760226U CN 202222722501 U CN202222722501 U CN 202222722501U CN 218760226 U CN218760226 U CN 218760226U
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- generating set
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Abstract
The utility model discloses a take every single move to rotate small-size wind generating set of function, including the wheel hub of taking the radome fairing, the blade, transmission system, the generator, the main frame, the platform support of driftage, the every single move round pin axle, every single move actuating mechanism, the cabin cover, driftage main shaft and a tower section of thick bamboo, the blade is installed and is constituteed the wind wheel on wheel hub, transmission system and generator locate inside the wheel hub, transmission system's rear end is located to the main frame, the platform support of driftage passes through every single move round pin hub connection rather than the main frame of top, every single move actuating mechanism articulates between main frame and the platform support of driftage, the outside of main frame is located to the upper portion upset cover body cover of cabin cover, be connected with the main frame, the outside of platform support of driftage is located to the fixed cover body cover in lower part of cabin cover, with the platform leg joint of driftage, the platform support of driftage is connected with the pylon through the main shaft of driftage. The utility model discloses can pitch up the wind wheel to the horizontally position when storm or typhoon weather to resist extreme storm or typhoon.
Description
Technical Field
The utility model belongs to the technical field of small-size wind generating set's technique and specifically relates to indicate a take every single move to rotate small-size wind generating set of function.
Background
At present, aiming at a small wind generating set adopting a direct-drive transmission system structure below 100kW, a wind wheel of the small wind generating set is fixedly arranged on a tower frame through a main frame after being connected with a transmission system, when the small wind generating set encounters storm wind or typhoon, the load of the wind wheel is obviously increased, and the load transmission part of a main machine and the strength of the tower frame need to be increased so as to meet the bearing requirement under an extreme wind condition.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a take every single move to rotate small-size wind generating set of function, can pitch up wind generating set's wind wheel to the horizontally position when storm wind or typhoon weather, become the mode of operation of similar helicopter to reduce the wind wheel windward area greatly, thereby show and reduce the unit load, and can effectively resist extreme storm wind or typhoon, and need not do host computer and pylon very heavy.
The purpose of the utility model can be achieved by adopting the following technical scheme:
a small wind generating set with a pitching rotation function comprises a hub with a fairing, blades, a transmission system, a generator, a main frame, a yawing platform support, a pitching pin shaft, a pitching driving mechanism, a cabin cover, a yawing main shaft, a yawing bearing and a tower barrel, wherein the blades are arranged on the hub and form a wind wheel with the hub, the transmission system and the generator are arranged in the hub, the input end of the transmission system is connected with the hub, the output end of the transmission system is connected with the generator, the main frame is arranged at the rear end of the transmission system and connected with the transmission system, the yawing platform support is arranged below the main frame, the rear end of the yawing platform support is connected with the rear end of the main frame through the pitching pin shaft, the upper end of the pitching driving mechanism is hinged with the main frame, the lower end of the pitching driving mechanism is hinged with the lower frame support, the cabin cover comprises an upper overturning cover body and a lower fixing cover body which are matched, the upper overturning cover body is arranged outside the main frame and connected with the main frame, the front end of the main frame is in butt joint with the fairing, the lower fixing cover body is arranged outside the yawing platform support and is connected with the yawing platform support, the yawing platform support through the yawing platform support, the yawing platform support is connected with the lower fixing cover body, and the lower end of the tower body is connected with the tower body.
Further, every single move actuating mechanism includes lead screw, screw-nut, intermediate gear, nut mount pad, pinion shaft and motor, the lower extreme of lead screw and screw-nut's inboard screw-thread fit connection, its upper end is articulated through the round pin axle with the main frame, intermediate gear cup joints in screw-nut's the outside, and both install in the nut mount pad jointly, the nut mount pad is articulated through the round pin axle with the platform support of driftage, intermediate gear and the gear portion external toothing who rotates the pinion shaft of locating in the nut mount pad, the pinion shaft is rotated by motor drive, thereby drives the rotatory drive lead screw of screw-nut and jack up the main frame or put down, and it is rotatory around every single move round pin axle.
Furthermore, the intermediate gear is connected with the screw rod nut through a key groove and a spline, or is in matched connection through a curved surface tooth-shaped structure, or is in matched connection through a cambered surface convex groove structure.
Further, the nut mounting seat comprises a nut fixing seat and a nut supporting seat which are connected with each other, a mounting position for mounting the screw rod nut, the intermediate gear and the pinion shaft is formed inside the nut fixing seat, and the nut supporting seat is hinged to the yawing platform support through a pin shaft.
Further, the pinion shaft is installed in the installation position of the nut fixing seat through a sliding bush.
Further, the screw matched with the screw rod and the screw rod nut is a self-locking screw.
Further, the motor is a motor with a power-off internal contracting brake function.
Further, the motor is electrically connected with a main control system of the wind generating set.
Compared with the prior art, the utility model, have following advantage and beneficial effect:
1. the utility model discloses a design has every single move actuating mechanism and separable cabin cover (the upper portion upset cover body and the fixed cover body in lower part promptly), can come temporarily at storm or typhoon, with the wind wheel jacking to being close the horizontality, reduce the wind wheel windward area greatly, reduce the unit load, effectively guarantee the security of unit under the extreme wind condition.
2. The pitching driving mechanism of the utility model adopts a screw nut structure, has simple and reliable structure, can utilize screw threads to self-lock and keep the locking of the jacking position; and the screw rod nut can be made of tin bronze materials, so that self-lubrication is realized, and the maintenance period is greatly prolonged.
3. The utility model discloses a motor drive can access wind generating set's major control system, can realize automatic control.
Drawings
Fig. 1 is a schematic view of the overall structure of the small wind generating set of the present invention, which does not include a tower.
Fig. 2 is a sectional view of the small wind generating set of the present invention without a tower.
Fig. 3 is a schematic structural diagram of the small wind generating set of the present invention without a tower and a nacelle cover.
Fig. 4 is a schematic connection diagram of the main frame, the yaw deck support and the pitch driving mechanism of the present invention.
Fig. 5 is a cross-sectional view of the main frame, yaw deck support, and pitch drive mechanism of the present invention.
Fig. 6 is a schematic structural diagram of the pitch driving mechanism of the present invention.
Fig. 7 is a sectional view of the pitch drive mechanism of the present invention.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are a part of the embodiments of the present invention, rather than all embodiments, based on the embodiments in the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention.
As shown in fig. 1 to 5, the present embodiment provides a small wind turbine generator set with a pitching rotation function, which includes a hub 1 with a fairing 2, blades (not shown), a transmission system 3, a generator (not shown), a main frame 4, a yaw platform support 5, a pitching pin 6, a pitching driving mechanism 7, a nacelle cover, a yaw spindle 9, a yaw bearing 10 and a tower (not shown), wherein the blades are mounted on the hub 1 and form a wind turbine with the hub 1, the transmission system 3 and the generator are disposed inside the hub 1, an input end of the transmission system 3 is connected to the hub 1, an output end of the transmission system 3 is connected to the generator, the main frame 4 is disposed at a rear end of the transmission system 3 and is connected to the transmission system 3, the yaw platform support 5 is disposed below the main frame 4, a rear end of the yaw platform support is connected to a rear end of the main frame 4 through the pitching pin 6, an upper end of the pitching driving mechanism 7 is hinged to the main frame 4, a lower end of the pitching driving mechanism is hinged to the yaw platform support 5, the nacelle cover includes an upper turning cover body and a lower fixing cover body 802 and a lower fixing the yaw platform cover body 801, the lower turning cover body 801 is connected to the yaw platform support 801 through the pitching shaft 2, the lower end of the yaw platform support 2, the yaw cover body is connected to drive the yaw platform cover body and the yaw platform cover body 801, the yaw platform cover body 2, the yaw platform cover body is connected to rotate the yaw platform support 5 through the pitching mechanism, the lower turning cover body and the yaw platform support 801, the bottom end of the yaw main shaft 9 extends out of the lower fixed cover body 802 and is connected with the tower.
As shown in fig. 6 and 7, the pitch driving mechanism 7 includes a lead screw 701, a lead screw nut 702, a nut mounting seat, an intermediate gear 705, a pinion shaft 706, and a motor (not shown in the figure), a lower end of the lead screw 701 is connected with an inner side of the lead screw nut 702 in a threaded fit, an upper end of the lead screw is hinged to the main frame 4 through a pin 708, the intermediate gear 705 is sleeved outside the lead screw nut 702, the two are mounted in the nut mounting seat together and are in clearance fit with the nut mounting seat, the nut mounting seat is hinged to the yaw platform bracket 5 through the pin 708, the intermediate gear 705 is externally engaged with a gear portion of the pinion shaft 706 rotatably disposed in the nut mounting seat, and the pinion shaft 706 is driven by the motor to rotate, thereby driving the lead screw nut 702 to rotate so as to drive the lead screw 701 to jack up or put down the main frame 4, and rotate around the pitch pin 6.
Specifically, the intermediate gear 705 is made of alloy steel, and can transmit torque with the lead screw nut 702 through the matching of a key groove and a spline, or transmit torque through the matching of a curved surface tooth-shaped structure, or transmit torque through the matching of a curved surface convex-concave groove structure.
Specifically, the nut mounting seat comprises a nut fixing seat 703 and a nut supporting seat 704 which are mutually connected, the nut fixing seat 703 and the nut supporting seat 704 are made of common carbon steel, a mounting position for mounting a feed screw nut 702, an intermediate gear 705 and a pinion shaft 706 is formed inside the nut fixing seat 703, and the nut supporting seat 704 is hinged to the yaw platform support 5 through a pin shaft.
Specifically, the pinion shaft 706 is made of alloy steel, and is mounted in the mounting position of the nut fixing base 703 through a sliding bush 707, and the rotation of the pinion shaft 706 is supported through the sliding bush, or a rolling bearing may be used instead of the sliding bush.
Specifically, the lead screw is made of carbon steel or alloy steel, the outer peripheral surface of the lead screw is machined into trapezoidal or triangular self-locking threads, and the threads matched with the lead screw 701 and the lead screw nut 702 are machined into the self-locking threads to achieve in-place locking.
Specifically, the feed screw nut 702 is made of tin bronze material, so that self-lubrication of the thread width can be realized.
Specifically, the motor has a power-off internal contracting brake function, and can realize the protection of shutdown locking. Meanwhile, the motor is adopted to drive the main control system which is conveniently connected to the wind generating set, and automatic control can be realized.
The utility model discloses an adopt below 100kW to directly drive small-size wind generating set of transmission system structure, its transmission system's base bearing adopts two biserial conical bearing, and the base bearing passes through the bearing frame to be installed inside wheel hub, and transmission system's stator main shaft's front end is connected with the base bearing cooperation, and its rear end is connected with the main frame. The generator may be mounted integrally with the hub and the stator main shaft, i.e. the generator rotor is directly connected to the hub and the generator stator is mounted to the stator main shaft.
The utility model discloses well main frame and driftage platform support middle part space are big, can conveniently replace the every single move actuating mechanism of other types, if replace for electric putter or electric telescopic cylinder, hydraulic pressure or pneumatic telescopic cylinder, linear electric motor, rack and pinion mechanism, adopt similar fixed mode can realize same every single move rotation function.
The above, only be the embodiment of the utility model discloses a patent preferred, nevertheless the utility model discloses a protection scope is not limited to this, and any technical personnel who is familiar with this technical field are in the utility model discloses a within range, according to the utility model discloses a technical scheme and utility model patent conception of the patent substitute or change with equaling all belong to the protection scope of the utility model patent.
Claims (8)
1. The utility model provides a take small-size wind generating set of every single move rotation function which characterized in that: the wind wheel comprises a hub with a fairing, blades, a transmission system, a generator, a main frame, a yaw platform support, a pitch pin shaft, a pitch driving mechanism, a cabin cover, a yaw main shaft, a yaw bearing and a tower drum, wherein the blades are installed on the hub and form a wind wheel with the hub, the transmission system and the generator are arranged inside the hub, the input end of the transmission system is connected with the hub, the output end of the transmission system is connected with the generator, the main frame is arranged at the rear end of the transmission system and connected with the transmission system, the yaw platform support is arranged below the main frame, the rear end of the yaw platform support is connected with the rear end of the main frame through the pitch pin shaft, the upper end of the pitch driving mechanism is hinged with the main frame, the lower end of the pitch driving mechanism is hinged with the yaw platform support, the cabin cover comprises an upper turning cover body and a lower fixing cover body which are matched, the upper turning cover body is arranged outside the main frame and is connected with the main frame, the front end of the yaw platform support is in butt joint with the fairing, the lower fixing cover body is arranged outside the yaw platform support and is arranged below the upper turning cover body and connected with the yaw platform support through the yaw bearing.
2. The small wind generating set with the pitching rotation function according to claim 1, wherein: the pitching driving mechanism comprises a screw rod, a screw rod nut, an intermediate gear, a nut mounting seat, a pinion shaft and a motor, wherein the lower end of the screw rod is in threaded fit connection with the inner side of the screw rod nut, the upper end of the screw rod is hinged with the main frame through a pin shaft, the intermediate gear is sleeved on the outer side of the screw rod nut and is mounted in the nut mounting seat together, the nut mounting seat is hinged with the yawing platform support through a pin shaft, the intermediate gear is meshed with a gear part of the pinion shaft which is arranged in the nut mounting seat in a rotating mode, the pinion shaft is driven to rotate by the motor, and then the screw rod nut is driven to rotate so as to drive the screw rod to jack up or put down the main frame and rotate around the pitching pin shaft.
3. The small wind generating set with pitching and rotating functions as claimed in claim 2, wherein: the intermediate gear is connected with the screw rod nut through a key groove and a spline, or is in matched connection through a curved surface tooth-shaped structure, or is in matched connection through a cambered surface convex groove structure.
4. The small wind generating set with pitching and rotating functions as claimed in claim 2, wherein: the nut mounting seat comprises a nut fixing seat and a nut supporting seat which are mutually connected, wherein the nut fixing seat is internally provided with an installation position for installing a lead screw nut, an intermediate gear and a pinion shaft, and the nut supporting seat is hinged with the yawing platform support through a pin shaft.
5. The small wind generating set with pitching and rotating functions as claimed in claim 4, wherein: the pinion shaft is installed in the installation position of the nut fixing seat through the sliding bush.
6. The small wind generating set with pitching and rotating functions as claimed in claim 2, wherein: and the matched threads of the screw rod and the screw rod nut are self-locking threads.
7. The small wind generating set with pitching and rotating functions as claimed in claim 2, wherein: the motor is a motor with a power-off internal contracting brake function.
8. The small wind generating set with the pitching rotation function according to claim 2, characterized in that: the motor is electrically connected with a main control system of the wind generating set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222722501.3U CN218760226U (en) | 2022-10-17 | 2022-10-17 | Small wind generating set with pitching rotation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222722501.3U CN218760226U (en) | 2022-10-17 | 2022-10-17 | Small wind generating set with pitching rotation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218760226U true CN218760226U (en) | 2023-03-28 |
Family
ID=85697925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222722501.3U Active CN218760226U (en) | 2022-10-17 | 2022-10-17 | Small wind generating set with pitching rotation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218760226U (en) |
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2022
- 2022-10-17 CN CN202222722501.3U patent/CN218760226U/en active Active
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