anordning foer insaettning av i draeneringsveke i jorden.

摘要

A device for inserting into the ground a drainage wick (17) consisting of a profiled core and water permeable sleeve, said device consisting mainly of a mobile machine (1) such as a backhoe, with a mast (2), and attached to the mast a rectangular tube (3), holding a drainage wick (17), and being able to move up and down along the mast (2) in a vertical manner, wherein the tube (3) enveloping the wick (17) is inserted into the ground by a pair of hydraulic cylinders (7, 8) supported on the mast (2) and bearing a sheave carrier (9) for a flexible attachment like a cable (14, 16) fastened to said tube (3) so achieving a two times or a multiple insertion speed, in comparison with the capacity or stroke of the cylinders (7, 8) thus shortening the time needed to insert the tube (3).