| 摘要 |
FIELD: machine building. ^ SUBSTANCE: central collector of excavator consists of stationary and movable parts. The movable part has the central air channel wherein there is installed an internal pipeline, on one end of which there is mounted a double-channel air splitter, while another one is equipped with an additional air collector made in form of two elements interconnected and performing full-circle rotation one relative to another. The first element is secured on the movable part and has axial and lengthwise channels, while the other one is attached to the stationary part and has two outlet channels. Also, one of the channels of two-channel air splitter is connected with the central air channel, while the other one is connected with the internal pipeline. The axial channel of the first element is connected with the internal pipeline and with one of the outlet channels of the second element; the lengthwise channel is connected with the central air channel and another outlet channel of the second element. ^ EFFECT: expanded functionality of pneumatic system. ^ 2 cl, 1 dwg |
