| 摘要 |
1. The invention concerns a device for measurement of geometrical parameters of ploughing, particularly depth and width comprising base's plate, potentiometer converter, fixing ring and press-down spring, characterised in that to base's plate (3) is attached potentiometer converter (5), whose slide by means of lever set (4) equipped with safety ring (12) connected to extension (8) and transmission (6) is freely connected to an appropriate string (2) connecting plough to tractor, and lever set (4) is pressed down to string (2) by means of press-down spring (11).<IMAGE>
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