PURPOSE: An anti-slip device for a BOP(Blowout Preventer) trolley of a drillship is provided to prevent the separation of a trolley support frame and a crane support frame during the load test of the BOP trolley of the drillship.;CONSTITUTION: An anti-slip device for a BOP trolley of a drillship comprises a trolley support frame(10) and a crane support frame(20). The trolley support frame is placed on the top of the BOP trolley. The crane support frame is loaded on the top of the trolley support frame to support a weight(2). Support protrusions(11) are formed on the top of the trolley support frame. Support holes(21) are formed on the bottom of the support frame corresponding to the support protrusions. The support protrusions and the support holes are coupled to prevent the separation of the trolley support frame and the crane support frame.;COPYRIGHT KIPO 2013
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