Hydraulic motor locked-rotor prevention control system and method and engineering machine
A technology of hydraulic motors and control systems, which is applied in fluid pressure actuation system testing, servo motors, mechanical equipment, etc. It can solve the problems of low working efficiency of hydraulic systems, avoid the reduction of working efficiency, ensure normal work, and improve working efficiency Effect
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[0028] Hereinafter, the present invention will be described in detail with reference to the drawings and examples. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.
[0029] like Figure 2 to Figure 7 As shown, according to the embodiment of the present invention, the closed pump hydraulic system includes a closed electronically controlled pump 1, an electromagnetic reversing valve 2 solidified inside the closed electronically controlled pump 1 and a hydraulic motor 3, wherein the electromagnetic reversing valve 2 is used to To control the positive and negative rotation of the closed electronically controlled pump 1 , when it is necessary to control the rotation direction of the closed electronically controlled pump 1 , it is only necessary to control the power on and off of the electromagnets on both sides of the electromagnetic reversing valve 2 . The A port of...
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