IN-PIPE EXCAVATING DEVICE

PROBLEM TO BE SOLVED: To provide an in-pipe excavating device whereby sediment can be smoothly quickly removed, in the case of a condition tightening considerably deposited sediment in a pipe to be half solidified, even in the case of mixing gravel. SOLUTION: In the vicinity of a suction port of a m...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MIURA HISASHI, OKUNUKI TAKAYOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL HEATING LIGHTING MECHANICAL ENGINEERING PACKING PERFORMING OPERATIONS PNEUMATIC TUBE CONVEYORS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BYUSING INERTIA OF FLUID TO BE PUMPED PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SHOP CONVEYOR SYSTEMS SIPHONS STORING TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an in-pipe excavating device whereby sediment can be smoothly quickly removed, in the case of a condition tightening considerably deposited sediment in a pipe to be half solidified, even in the case of mixing gravel. SOLUTION: In the vicinity of a suction port of a mixture jet pump (mixture jet pump unit 11) inserted in a pipe with an excavation object (sediment 2) existing, a water jet (water jet unit 12) wash excavating the excavation object (sediment 2) is arranged. The mixture jet pump (mixture jet pump unit 11) may be provided with a movement assist means (guide roller unit 51) assisting movement of the suction port in a direction along the pipe, the suction port of the mixture jet pump (mixture jet pump unit 11) may be made able to swivel in a part related to at least a pipe bottom of an internal hollow sectional region of the pipe, may be provided with a water supplementary means (supplementing submerged pump 5) supplementing in the pipe water necessary for suction of the excavation object (sediment 2).