WORKING ATTACHMENTS OF SINGLE-BUCKET EXCAVATOR

摘要

FIELD: construction. ^ SUBSTANCE: working attachments of single-bucket excavator includes boom, lift arm, bucket, bucket control hydraulic cylinders connected to distribution valve and rope drive. At that working attachments arte equipped with adjustable choke and two hydraulic cylinders - drafts of variable length. The first hydraulic cylinder connects bucket with lift arm while the second one connects bucket with boom, at that cavities of each cylinder connect through distribution valve both in turn and simultaneously when cavities of the first hydraulic cylinders are connected through adjustable choke. ^ EFFECT: increase in excavator efficiency. ^ 2 dwg