ELEVATING DEVICE FOR AN ARTIFICIAL ISLAND OR WORK PLATFORM

摘要

lifting device for an artificial island and a work platform comprising a deck (1) and a working platform and a number of columns (2) is displaceable in the vertical direction.in relation to the deck (1) on the work floor by the lifting device.each column (2), the lifting device is composed of a number of training devices with pine nuts (7 - 10) with gear racks (3)(4) fixed along the columns (2).as regards the scope of the trees of pine nuts (10) are attached to the float (1) and a working platform and is composed of a motor, a gear drive and a brake.each drive unit is set so as to be respectively a reaction arm (11 to 14), which can rotate around the axis of the output shaft of the drive unit.the end of the arm (15) reaction (11 to 14) is coupled to the float (1) and the working floor by means of a hydraulic cylinder (23) - (26).the hydraulic cylinders (23, 26) has a connection (39)(40) in the hands of reaction (11 to 14) for the two cylinder spaces to a common duct (42) between the cylinders (23, 26) to each other.in addition, the bodies are also provided for simultaneously moving all of the valves (31 to 34) in the closed condition when the engine is started.to open the valve, respectively, when the brakes are applied.