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A comprehensive interpretation of the principle and technology of speed regulation and energy saving of couplings

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A comprehensive interpretation of the principle and technology of speed regulation and energy saving of couplings

Release date:2017-11-03 Author: Click:

The effect of hydraulic coupling is the use of liquid as the transmission medium, so as to ensure the car a smooth start-up and acceleration. But it can not change the torque of the size, but not the engine and the transmission system are completely separated, so it must be matched with the gearbox, clutch. Oil leaking. If oil leakage is found on the side of the coupling transmission shaft, the sealing device should be replaced. If oil leakage is found on one side of the engine, the gasket on the flange of the pump wheel should be replaced. When the oil seal is worn or damaged, new parts should be replaced in time.

秒速快3When the engine is running at a certain speed, if there is a sharp noise, the screw loosening of the coupling and the crankshaft flange should be fastened and overheated. Most of the reasons are insufficient work oil and should be supplemented. Crackle。 When a hydraulic coupler is overhauled, it is necessary to check whether there is a crack in the welding place of the pump wheel and the turbine blade; if there is a crack, the blade should be cut and re welded. The hydraulic mechanical transmission is composed of the speed increasing device, the torque converter, the gear type transmission, the transmission clutch and the hydraulic system. All the components are installed in a combined box.

秒速快3The principle of speed regulation and energy saving of couplings is another way to save energy in technology, speed and speed. The coupler speed regulation, liquid viscosity speed regulation and so on belong to this type. In short, hydraulic coupling is a special shaft coupling. The two ends of input and output shaft are connected to the motor and the working machine separately. They are connected to the pump wheel turbine separately, and the pump turbine is connected by oil medium to achieve soft connection.

By controlling the fullness of the oil medium in the pump turbine, we can achieve the purpose of changing the output speed to achieve the purpose of speed control and load control when the input speed is constant。 At this time, the motor has been at the rated speed and is also efficient。 The energy saving technology of the coupler is relatively simple and mature, and the development situation is very good。

In the past, there were some misunderstandings about the efficiency of hydraulic couplings。 Some of them simply understood the efficiency of hydraulic coupling as the ratio of output speed to input speed, which should be clarified。 Strictly speaking, is not the same as for the power loss of constant torque load and mechanical properties of centrifugal load, the power loss of constant torque load with yox can be said to be consistent with the speed ratio, speed ratio is 0。5, the power loss is 0。5, the efficiency was 0。5。


Coupler transformation


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