FIELD: forest industry. SUBSTANCE: grappling-cutting apparatus has stake mounted on knuckle boom, cutter installed on stake, main grapples with hydraulic drive, and movable grapple-accumulator with clamping lever pivotally mounted on frame for movement along stake under the action of hydraulic cylinder. Hydraulic cylinder body is mounted on stake and stem is connected to frame of grapple-accumulator. Hydraulic cylinder stem end is equipped with threaded portion extending beyond hydraulic cylinder body for engagement with nut fixed in pivot joint of grapple-accumulator clamping lever. Head rigidly fixed at the end of stem threaded portion having polygonal section perpendicular to stem axis is positioned for longitudinal displacement in guide of similar section. Guide is fixed on frame of grapple-accumulator. EFFECT: simplified construction, enhanced reliability in operation and increased efficiency. 2 cl, 3 dwg
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|---|---|---|---|
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