The main function and rapid development of gearbox, Nanjing Precision Engineering Co., ltd

by:NJPE     2020-02-12
The gear box can bear the acting force from the wind wheel and the counterforce generated during the gear transmission during operation, and to a certain extent, it must have sufficient rigidity to bear the force and torque, in this way, deformation can be prevented and the transmission quality can be effectively guaranteed, the design of the gearbox box should be carried out according to the requirements of the layout arrangement, processing and assembly conditions, easy inspection and maintenance of the power transmission of the wind turbine. Now with the rapid development of its gear box industry, more and more industries and different enterprises will apply gear boxes, and more and more enterprises will develop and grow in the gear box industry. According to the modular design principle of unit structure, the gearbox greatly reduces the types of parts and is suitable for large-scale production and flexible selection. The spiral bevel gear and helical gear of the reducer are all carburized and quenched with high-quality alloy steel. The hardness of the tooth surface is as high as 60±2hrc, and the grinding accuracy of the tooth surface is as high as 5-6 grade. The main function of gearbox 1. Acceleration and deceleration are often referred to as variable speed gear boxes. 2. Change the transmission direction, for example, we can use two fan gears to transmit the force vertically to another rotating shaft. 3. Changing the rotating torque, under the same power condition, the faster the speed of the gear, the smaller the torque on the shaft, and vice versa. 4. Clutch function: we can separate the engine from the load by separating the two originally meshed gears. Such as brake clutch, etc. 5. Distribute power. For example, we can use one engine to drive multiple slave shafts through the gearbox spindle, thus realizing the function of one engine to drive multiple loads. The lubrication system of the gear box is of great significance to the normal operation of the gear box. The large wind power gear box must be equipped with a reliable forced lubrication system to inject oil into the gear meshing area, bearings, etc. In the cause of gearbox failure, insufficient lubrication accounts for more than half. Lubricating Oil temperature is related to component fatigue and the life of the whole system. - Generally speaking, the maximum oil temperature of the gearbox during normal operation should not exceed 80℃, and the temperature difference between different bearings should not exceed 15℃. When the oil temperature is higher than 65℃, the cooling system starts to work; When the oil temperature is lower than 10℃, the lubricating oil should be heated to a predetermined temperature before starting up.
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