Transmission device, pitch system and wind turbine generator system
A transmission device and transmission component technology, which is applied in transmission devices, wind turbines, friction transmission devices, etc., can solve problems such as affecting the service life of synchronous belts, and achieve the effect of improving service life and reducing loss.
Active Publication Date: 2019-11-05
XINJIANG GOLDWIND SCI & TECH
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Problems solved by technology
In this way, the traction parts bear alternating loads during transmission, which seriously affects the service life of the synchronous belt
Method used
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[0045] Features and exemplary embodiments of various aspects of the invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is only to provide a better understanding of the present invention by showing examples of the present invention. In the drawings and the following description, at least some well-known structures and techniques have not been shown in order to avoid unnecessarily obscuring the present invention; and, for clarity, the dimensions of some structures may have been exaggerated. Furthermore, the features, structures, or characteristics described hereinafter may be combined in any suitable manner in one or more embodiments.
[0046] The orient...
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The embodiment of the invention provides a transmission device, a pitch system and a wind turbine generator system. The transmission device is used for driving a rotary component to rotate, and comprises a first transmission component, a traction component and a tensioning wheel, wherein the first transmission component is a rotatable component; the traction component is provided with a first endand a second end which are opposite in an extending direction of the traction component, the first end and the second end are connected to the rotary component, and the traction component winds aroundthe first transmission component so as to form an accommodating space between the traction component and the rotary component; and the tensioning wheel is arranged in the accommodating space and provides a supporting force from the interior of the accommodating space to the outside of the accommodating space for the traction component. In the embodiment of the invention, the traction component isonly bent in one direction instead of being bent towards two directions at the same time, so that the loss of the traction component can be effectively reduced, and the service life of the traction component is prolonged.
Description
technical field [0001] The invention relates to the technical field of wind power generators, in particular to a transmission device and a wind power generator set. Background technique [0002] The pitch system is an important piece of equipment for large-scale wind turbines. The wind turbine needs to adjust the windward angle of the blades in real time according to the wind speed, so that the wind turbine can obtain electric energy at low wind speeds and capture a fixed amount of wind energy when the wind speed is greater than the rated wind speed. , to optimize the power generation parameters of the wind turbine. [0003] The operation convenience and working reliability of the pitch control system directly affect the efficiency of the wind turbine generator. In the traditional motor pitch control mechanism, the traction part is used to achieve the transmission purpose. In order to increase the wrap angle of the driving wheel, the traction part is pressed from the outside...
Claims
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IPC IPC(8): F16H19/00F03D15/00F03D7/00
CPCF03D7/00F05B2260/70F05B2270/606F16H19/005F03D15/00Y02E10/72
Inventor 王兆峻
Owner XINJIANG GOLDWIND SCI & TECH