Lifting type river channel oil spill intercepting device and oil spill intercepting method

The lifting type river channel oil spilling intercepting device comprises a floater type oil containment boom and further comprises two anchoring piles arranged on the two sides of a river channel to be protected, each anchoring pile is provided with a vertical sliding groove with a T-shaped cross section, a sliding block capable of sliding up and down is arranged in each vertical sliding groove, and the floater type oil containment booms are arranged on the two sides of the river channel to be protected. According to the floating type oil containment boom, the anchoring piles are arranged on the two sides of the riverway to be protected in advance, the fixed pulleys are arranged on the upper portions of the anchoring piles, the winches are arranged on the side portions of the anchoring piles, and when an oil spill accident occurs, rescue personnel can rapidly pull the floating type oil containment boom to pass through the riverway through the steel cable; anchoring, unfolding and erecting of the lifting floa