Method and device for the examination of the surface condition in terrain which is difficult to access or inaccessible

摘要

The invention relates to a method and a device for the examination of the surface condition in terrain which is difficult to access or inaccessible, a probe (10) being moved from a predetermined position in the direction of the surface to be examined and the measurement signals from the probe being evaluated for the determination of the surface condition. In order to obtain reliable measured values for the determination of the surface condition, especially for the bottoms of bodies of water, the probe is fired off or lowered in the direction of the surface, and its fall or locomotion acceleration and - as a measure of the surface condition - its braking (negative acceleration) when it encounters the surface are measured. For this purpose, a device is proposed which, as a portable device, has a probe (10) releasable in a mounting (11), the probe being able to be accelerated by means of an accelerator and having acceleration pick-ups for the determination of the penetration depth, the braking and the transverse forces (Fig. 1). <IMAGE>