A maintenance-friendly wind power generator for power system

Abstract

The present invention relates to a kind of easy-to-maintain wind power generator used in power system, comprising base, tower, nacelle, wheel hub, stop mechanism, several wind blades and several buffer mechanisms, buffer mechanism includes buffer box, cover plate and set on the buffer The buffer assembly in the box, the buffer assembly includes a drive unit, a telescopic plate, a buffer frame, a spring, a fixed rod and two buffer units, the buffer unit includes a screw rod and two support units, the stop mechanism includes a casing, and a compression device arranged in the casing component and two driven components, the easy-to-maintain wind turbine used in the power system can easily slow down the rotation speed of the hub through the buffer mechanism, which is convenient for the equipment to gradually reduce the rotation speed of the fan blades when the hub is rotating at a low speed, making the shutdown easier It is safe and reliable, and the stop mechanism contacts the spring and the fixed rod in turn, and finally the fixed rod is clamped between the two moving rods to realize the shutdown of the equipment, facilitate the maintenance of the equipment, and improve the practicability of the wind power generator.

Description

technical field [0001] The invention relates to the field of wind energy equipment, in particular to an easy-to-maintain wind generator for power systems. Background technique [0002] A wind turbine is a power device that converts wind energy into mechanical work, which drives the rotor to rotate, and finally outputs alternating current. Wind turbines are generally composed of components such as wind rotors, generators (including devices), steering devices (tail fins), towers, speed-limiting safety mechanisms, and energy storage devices. The working principle of a wind turbine is relatively simple. The wind rotor rotates under the action of the wind, which converts the kinetic energy of the wind into the mechanical energy of the wind rotor shaft, and the generator rotates to generate electricity under the drive of the wind rotor shaft. In a broad sense, wind energy is also solar energy, so it can also be said that a wind generator is a thermal energy utilization generator ...

AI Technical Summary

Problems solved by technology

[0003] In order to ensure the normal operation of wind turbines, people need to carry out regular maintenance on wind turbines. In order to maintain devices, in order to avoid the harm caused by the rotation of wind blades to maintenance workers, it is usually necessary to stop the wind turbines. However, the existing When the wind turbine is shutting down, it mainly relies on the pitch system to adjust the angle of attack of the blades, reduces the speed of the impeller, and uses the braking system to assist in increasing the friction, and uses mechanical braking to realize the shutdown. When using this method, due to the friction and mechanical It is easy to cause wear and tear on the components of the wind generator, which in turn affects the use of the wind generator and reduces the practicability of the existing wind generator.

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