Pressure vessel refueling top cover lifting appliance for marine nuclear power platform and hoisting method thereof
A pressure vessel and nuclear power technology, which is applied in the field of roof spreader for refueling of pressure vessel and its hoisting, can solve the problems of disassembly collision, reduction of the disassembly space of the pressure vessel roof, and unfavorable safe disassembly of the pressure vessel roof, etc. To ensure the effect of matching installation
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[0033] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.
[0034] see figure 1 As shown, the embodiment of the present invention provides a top cover spreader for refueling of a pressure vessel of a marine nuclear power platform. There is a primary shielded water tank 3 around it, and the top cover spreader includes an upper connecting piece 4 and a lower power piece 5, the upper connecting piece 4 is used for detachable fixing with the lifting lug of the container, the lower power piece 5 is fixedly connected with the upper connecting piece 4, and the lower The power part 5 is used to act on the primary shielded water tank 3 and provide power for the top cover 1 to be installed and disassembled downward through the upper connecting part 4 .
[0035] The upper end connecting piece 4 is connected with the top cover 1 to complete the lifting and lowering of the top cover 1. At the same time, when the t...
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