FIELD: pipeline transport building, possible use for drawing cables between well pits during trench-less replacement of underground pipelines.
SUBSTANCE: leader tip with conical and cylindrical side surfaces is connected to pneumatic impact machine, provided with through air duct channel and transferring impact impulses to leader tip. Leader tip is provided with flow chamber, connected to through channel of pneumatic impact machine and air draining channels with their outlet to side surface of leader tip. The latter is provided with supporting plates, jointly fastened relatively to leader tip with possible overlapping of air drain channel outlets, while in air drain channels advance compression springs are located, interacting with supporting plates.
EFFECT: expanded arsenal of technical means.
7 cl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DEVICE FOR TRENCHLESS REPLACEMENT OF PIPELINES | 2001 |
|
RU2221181C2 |
| DEVICE FOR TRENCHLESS REPLACEMENT OF PIPELINES | 2001 |
|
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RU2242665C2 |
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RU2334058C2 |
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RU2540181C2 |
| METHOD OF REPLACEMENT OF PIPE LINE WITHOUT DIGGING-OUT TRENCHES AND DEVICE FOR REALIZATION OF THIS METHOD | 1996 |
|
RU2116547C1 |
| IMPACT-ACTION AIR-OPERATED DEVICE WITH THROTTLE AIR CONTROL | 2006 |
|
RU2334106C2 |
