FIELD: machine building.
SUBSTANCE: excavator working tools contain a boom with head blocks and saddle bearing, handle comprising a beam and head, installed in the saddle bearing; bucket comprising side, front, rare walls and bottom; bucket suspension blocks. The handle head is made in form of the truncated pyramid, its faucets are top, bottom and side walls. The pyramid rectangular bases are located at angle over 25° to each other. The smaller base is equal to the handle beam cross-section. The larger base is equal to rare wall of the bucket, and is rigidly secured on it. Top and bottom parts of the side walls of the bucket have shoulders locked in symmetrical slots on sides of the head. The bucket bottom is hingedly installed in brackets on the bottom wall of the head. In the head cavity the pair of brackets of the bucket suspension is installed.
EFFECT: higher reliability of the work equipment.
3 cl, 3 dwg
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