Rotating servo valve capable of realizing continuously and steplessly adjustable flow rate
An adjustable, servo valve technology, applied in the field of rotary servo valves, can solve problems such as different valves, reduce manufacturing difficulty, improve dynamic load performance, and compensate for radial unbalanced forces
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[0020] The specific embodiments of the present invention will be described in detail below in conjunction with the technical solutions and accompanying drawings.
[0021] as attached Figure 1~6 As shown, the return spring 2 keeps the spool 12 at zero position, and the angular displacement sensor 3 measures the size of the rotation angle to realize closed-loop control. The 5 shafts of the electro-mechanical conversion device are directly connected with the valve core 12 through the elastic coupling 7, so the dynamic performance is better.
[0022] When the rotary valve is working, the on-off condition of the oil circuit can be checked by the attached Figure 5 , 6 illustrate. as attached Figure 6 As shown, when the spool 12 is at the zero position, the two pairs of rectangular valve ports, the low-pressure valve port a and the high-pressure valve port b, are all closed. At this time, the left and right working oil ports A and B of the rotary valve have no oil flow. When ...
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