FIELD: hydraulic single-bucket excavators. SUBSTANCE: working equipment includes box-section dipper stick articulated to boom 6, bucket 7 and hydraulic cylinders 8 and 9 for turning dipper stick and bucket. Dipper stick 1 is made at least, with one open longitudinal side 11 and formed by flat longitudinal and end faces. Mounted in plane of open side 11 of dipper stick 1 is hydraulic cylinder 13 for twisting dipper stick 1. Dipper stick has transverse diaphragm 14 on part with open longitudinal side. Hydraulic cylinders 13 twist dipper stick 1 that results in that axles of hinged joints 3 and 5 connecting dipper stick 1 to boom 6 and bucket to dipper stick proved to be turned relative to each other. EFFECT: higher efficiency. 4 cl, 3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
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| SINGLE-BUCKET EXCAVATOR (VERSIONS) | 2002 |
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RU2233948C1 |
