| 摘要 |
The invention relates to a device for levelling fillings and construction materials in the form of a scraping element consisting of an elongated scraping bar (1) and a handle (3) fastened thereto, wherein one or more sensor units (6) for detecting the horizontal orientation of the scraping bar (1) and the height (h) of the scraping bar (1) in relation to a horizontal reference plane are present and at least one actuator (5) for horizontally orienting the scraping bar and at least one actuator (4) for changing the vertical position of the scraping bar (1) are present. |
