首页>
外国专利>
A grab for excavators of foundation walls and rectangular piles, and an excavator provided with said grab
A grab for excavators of foundation walls and rectangular piles, and an excavator provided with said grab
展开▼
机译:一种用于基墙和矩形桩的挖掘机的抓斗,以及配备有该抓斗的挖掘机
展开▼
页面导航
摘要
著录项
相似文献
摘要
The grab comprises two shoes (11,12) for support against the walls of the hole (4) that the grab is digging, and means for moving said shoes (11,12) between a folded-in position in which they remain alongside the frame (1) and an unfolded position in which they press against the walls of the hole (4). Preferably, unfolding of the shoes (11,12) is performed automatically when the grab reaches the bottom of the hole (4).;The excavator of the invention is provided with such a grab.;A very high digging force is achieved without an increase in the volume or in the weight of the grab.
展开▼