Time : 2021-05-21 Browse : 24
Stepless speed regulation is an important way to achieve uniform and smooth speed changes in industrial equipment. It is widely used due to its strong adaptability and easy automation. Fluid turbo coupling is a typical representative. The stepless speed regulation capability of hydraulic coupling can significantly improve work efficiency, as shown below:
The stepless speed regulation of hydraulic motor shaft coupling is based on the control of working oil volume: when the pump wheel rotates at a fixed speed, the more working oil volume, the greater the torque transmitted; when the torque of the driving shaft remains unchanged, the more working oil volume, the higher the speed of the turbine. By changing the amount of working oil in the chamber of the pump wheel and the turbine blade, the turbine speed can be accurately adjusted to adapt to different load requirements and achieve continuous and smooth changes in speed.
This speed regulation method has obvious advantages in improving efficiency:
Adapt to various load requirements: It is suitable for working machinery that requires continuous speed changes, such as program-controlled automatic machine tools. It can adjust the speed in real time according to the working conditions to ensure that the equipment runs at the optimal speed, avoid the energy waste of "big horse pulling a small cart", and improve energy utilization efficiency.
High transmission efficiency: Compared with automatic speed change (efficiency of about 85%), the rotating hydraulic coupling has higher efficiency (about 95%), faster acceleration and lower energy consumption, especially on the variable speed coupling which can effectively reduce fuel consumption and indirectly improve work efficiency.
Easy to realize automation: It is easy to combine with the automatic control system to realize speed regulation automation, reduce manual intervention, improve operation accuracy and response speed, further optimize the work process, and improve overall work efficiency.
In addition, while the hydraulic coupling has the advantage of stepless speed regulation, it also has many auxiliary functions, such as improving the starting ability of asynchronous motors, preventing overload, reducing vibration and shock, and achieving power balance. These functions complement each other with stepless speed regulation, and jointly ensure the efficient and stable operation of the equipment, so that it can maintain low maintenance costs and long service life in harsh environments, and improve work efficiency overall.
