Self-elevating work platform and dive underwater use

A self-liter dive underwater platforms and methods of use, belongs to the field of marine engineering. The main hull work platform using a rectangular configuration, is provided with a rectangular platform moonpool on the main hull, a leg is provided at each corner, the support rail arranged in parallel on both sides of the gantry crane platform deck moon pool, the moon pool platform deck corners a lifting means is provided on each connecting four corners of a size smaller than the moon pool dive platform module, a plurality of modules dive truss members secured and connected to the dive operation dive deck base module, via cable internet two moonpool watertight doors in both sides of the work chamber is connected to the side walls. The work platform is simple, easy to use, diversification of function, operation control stability is good. We can provide underwater exploration, oil and gas resources to assist maintenance, emergency rescue and salvage and other services; In large variable load conditions, to provide high-precision, high efficiency and high reliability underwater special engineering support.