CUTTING DEVICE AND METHOD FOR PILE CUTTING Russian patent published in 2017 - IPC B28D1/04 E02D9/00 

FIELD: construction.

SUBSTANCE: device (100) comprises a housing (102) including means (103) for connecting the cutting device to the work machine, gripping means (104) attached to the housing (105) to bring the cutting device into motion around the pile to be cut. Said gripping means (104) comprise at least two opposing gripping parts (106) intended to provide gripping the pile to be cut for retaining the pile, to provide gripping the pile to be cut for removing the pile and for releasing the gripping means (104) from said grippings. The device (100) comprises at least two saw parts (108) made movable to the sawing position and to the safe position, and saw means (110) attached to the saw parts (108) for carrying out the sawing operation, when at least one saw part is in the sawing position. The device (100) comprises resilient means (114) intended for adapting to forces arising during the sawing motion of the saw means (110). The saw means (110) are intended to move during the sawing motion substantially horizontally with respect to the pile to be cut when the saw portion (108) is in the cutting position, said resilient means (114) are adapted to the forces arising during the sawing motion of the saw means (110) to prevent damaging the saw parts.

EFFECT: simplifying the operation and increasing the durability of sawing means.

14 cl, 6 dwg