Servo drive belt variable pump low-speed control hydraulic circuit
A technology of hydraulic circuit and servo drive, applied in the direction of servo meter circuit, servo motor, servo motor components, etc., can solve problems such as affecting the stability of the system, uncontrollable stability, etc., and achieve the effect of reducing the displacement output
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[0013] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0014] The present invention is a servo drive belt variable pump low speed control hydraulic circuit, such as figure 2 As shown, it includes system oil inlet P, oil suction filter F1, servo motor MTR, system oil outlet T, oil return filter F2, variable plunger pump P2, oil pump swing angle control valve V4, pressure relief valve V3, accumulator F3, pressure gauge B1 and control oil return check valve V2, circuit oil filter F2 is connected with system oil outlet T and system safety valve V1, system oil inlet P is connected with system safety valve V1, variable The plunger pump P2 is connected with the control oil return check valve V2, the variable plunger pump P2 is connected with the servo motor MTR, the oil suction filter F1 and the oil pump swing angle control valve V4, the control oil return check valve V2 is connected with the pressure gauge B1, ...
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