| 摘要 |
FIELD: construction. ^ SUBSTANCE: working equipment of a single-bucket hydraulic excavator comprises a boom with a handle and a bucket, hydraulic cylinders of boom rotation, a double-arm lever, hingedly connected to a platform, a hydraulic cylinder that serves for lever movement. Working equipment is equipped with an additional hydraulic cylinder, one end of which is hingedly connected to a point of rocking of the double-arm lever, and the other end of the additional hydraulic cylinder is connected to a point of fixation of a hydraulic cylinder of the boom along the second arm of the double-arm lever. ^ EFFECT: increased efficiency and facilitation of process of application of various types of working equipment. ^ 2 dwg |
