FIELD: machine building.
SUBSTANCE: complex consists of rotation drive, of compound penetration shaft, of gripping device for connecting point of shaft, of guiding pipe and of set of replaceable heads installed on end of penetration shaft. The complex is equipped with rests fixing the guiding pipe like a screw turnbuckle in an inclined position and with an additional gripping device with a handle for control of penetration shaft feed which is made of separate cane segments interconnected with bushes and threaded couplings. Here is disclosed the connecting point for cane segments.
EFFECT: increased reliability and simplification of design.
2 cl, 5 dwg
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|---|---|---|---|
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| INSTALLATION FOR TRENCHLESS CONSTRUCTION AND REPLACEMENT OF PIPELINES | 2012 |
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RU2496946C1 |
