FIELD: construction.
SUBSTANCE: device comprises a frame rigidly fixed as inclined in a working pit, where a driven pipe is laid. Sleds move along the frame, where a driving plate is installed as capable of rotation in three coordinates and movement along the transverse direction, with the help of which the vector of force application to the pipe end changes directionally. The device is equipped with a pipe clip, which makes it possible to do driving using a technology of tunnelling by a microshield, and also with an adjustable front roller support to ensure alignment of welded pipes.
EFFECT: device is designed to go through curvilinear sections of a route using previously bent pipes with a specified radius of curvature, which substantially increases efficiency of tunnelling due to reduction of length of curvilinear section tunnelling.
6 cl, 3 dwg
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MOVABLE TRENCH SHORING | 0 |
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RU2047697C1 |
Authors
Dates
2012-09-27—Published
2010-04-02—Filed