The inclined hoist of a nuclear reactor comprising a trolley 1 with a sleeve 2 for SFA, which moves along a rail track 3 in an inclined corridor 4 by means of a cable 8. At the entry into the inclined corridor 4, a guide block is installed, equipped with an asymmetric channel for routing the cable and installed at an angle β relative to the track, satisfying the condition: tgβ=t/πD where β is an angle of inclination of the guide block to the track; t is a pitch of cable grooves on the drum; D is a diameter of the drum, wherein the guide block channel symmetry axis is located along the cable movement trajectory.