What is the highest level of voice raised by domestic wind power transport vehicles now?

Introduction What is the maximum sound level of a domestic wind power special transport vehicle? The maximum sound level of a domestic wind power special transport vehicle is 360 degrees. Wind power lift trucks are also called blade transfer trucks and mountain lift t

What is the highest level of voice raised by domestic wind power transport vehicles now?

At present, the highest sound level of domestic wind power transport vehicles is 360 degrees. Wind power lift trucks are also called blade transfer trucks and mountain lift trucks. It is used to transport fan blades and wind power generation fan blades. The lift truck is characterized by the fact that the rotor can rotate 360 ​​degrees, and the tooling can be lifted up at an angle of 60 degrees at the same time. It can well cope with obstacles such as rugged mountain roads, villages, bridges, and big trees. , smoothly transporting wind turbine fan blades to wind farms.

How heavy is the blade of a 60-meter-long wind turbine fan?

In fact, there have been wind turbines with one blade and two blades. But the most common number of blades in modern wind turbines is three, the result of compromises between various aspects and parameters during the design process. These aspects include, but are not limited to: aerodynamics, energy conversion efficiency, manufacturing and maintenance costs, system reliability, noise, and aesthetics. From a simple analysis of technical parameters, a larger number of blades can:

(1) Increase mechanical torque;

(2) Increase output power;

(3) Reduce the maximum rotation speed;

(4) Bring heavier manufacturing costs and make maintenance more complicated and difficult. Therefore, motors with a large number of blades are more suitable for running in low-speed places, such as water pumps and grain grinding motors. Wind turbines expect the blades to rotate at a relatively high speed, so that the size of the generator located at the center of the blades (top of the tower) does not need to be large to meet the frequency requirements of the grid. In addition, wind speeds generally increase at higher altitudes. Since the tower of the wind turbine is very high, the blades are also very long (40m-60m*). There is a significant difference in wind speed between blades rotating to a high position and blades rotating to a low position. If the generator has only two blades, then when the blades rotate to one at a high position and one at a low position, their stress is obviously not uniform enough, so a stronger and more stable tower needs to be designed to hold the generator and blades. The three-blade generator can alleviate this imbalance to a certain extent, so it runs more smoothly. Smooth means less noise, less wear and tear.

A 60m wind blade weighs three tons. A friend of mine drives a cart, and they often use carts to pull 60m wind blades. Once they encountered a big bumper on the way, so they drove the car to the ground pump and weighed it. The result showed that it weighed three tons. Everyone knows that 60m wind blades are among the three piers. I saw someone asking this question here, so I will answer it here by the way.

“The most difficult part of transporting wind power equipment is to transport the wind turbine blades. The blades are 50 to 60 meters long and weigh about 12 tons each. On this winding mountain road, it is really difficult for the transportation workers. It is a huge challenge, so we use special vehicles such as blade lifting trucks to transport wind turbine blades, which can adjust the blades according to road conditions.”

Recently, at Dongfang Electric Wind Power Company in Dechang County. Liangshan) Co., Ltd., just in time to load the wind bladesTransport truck to be transported away. Seeing that the wind blades that had been loaded onto the vehicle could actually swing and adjust their direction, Zhang Yong from the General Management Department Office answered the reporter's questions.

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