Net cage lifting device with dual-system effect
A lifting device and dual-system technology, applied in the direction of lifting device, lifting frame, application, etc., can solve the problems of slow adjustment, high input cost, inconvenient maintenance, etc., and achieve the effect of structural optimization and reasonable layout
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[0020] Such as Figure 1~4 As shown, a dual-system net cage lifting device according to an embodiment of the present invention includes an equipment pontoon with reserve buoyancy 1, a multi-layer deck arranged above the equipment pontoon 1, a winch arranged on one of the decks 2 3. A cage 8 connected below the equipment pontoon 1. A guide tube 4 is fixedly connected to the periphery of the equipment pontoon 1. The guide pipe 4 is provided with a relatively sliding lifting column 6, and the cage 8 includes a plane for maintaining its external shape The frame structure 82 and the HDPE floating pipe 81. The plane frame structure 82 is in a rectangular shape and is formed by fixedly connecting two longitudinal beams 823 and three transverse beams 821. The connecting part of the transverse beam 821 and the longitudinal beam 823 is provided with diagonal bracing beams 822. The two ends of beam 823 are equipped with ballast tanks 8231. Ballast tanks 8231 are connected to ballast pumps...
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