Marine crane hook pulley fixing device and fixing method
A technology of marine cranes and fixing devices, which is applied in the field of machinery to achieve the effects of high coordination stability, improved operation efficiency, and prevention of shaking and falling off
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[0030] In order to better understand the present invention, the specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings. Figure 1 to Figure 9 shows the first embodiment of the present invention, such as figure 1 and figure 2 As shown, the hook block fixing device of the marine crane includes a control mechanism and an executive mechanism. The control mechanism includes an oil tank 14, a gear pump 7, a pressure reducing valve 8, an electromagnetic reversing valve 9, a one-way throttle valve 10, and a spring reset The oil cylinder 4; the gear pump 7 is connected with a motor, the oil inlet of the gear pump 7 communicates with the oil outlet of the oil tank 14, the oil outlet of the gear pump 7 communicates with the B port of the pressure reducing valve 8, and the A of the pressure reducing valve 8 The port is connected to the P port of the electromagnetic reversing valve 9, the B port of the elec...
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