| abstract |
The invention discloses a kind of towed cleaning device of long straight pipeline inwall, including housing and rotary cylinder, water tank, battery are provided with the housing, tube, motor, water pump, catheter and waterproofing membrane is interlocked；Rotary cylinder is provided with the right side of housing；Closure periphery is provided with telescopic supporting rod, backing plate, support spring, support side plate, walking roller, liquid injection pipe and LED；Sap cavity, drain pipe road and shower nozzle are provided with out in rotary cylinder；Rotary cylinder periphery is provided with rotating bar, connection swing rod, torsionspring and brush；Housing left end is provided with retainer ring and pull rope.The present invention is adjusted by telescopic support bar and rotatable connection swing rod according to pipeline chi footpath；Motor, which drives, interlocks tube rotation, so as to drive the rotating bar of rotary cylinder and periphery, connection swing rod and brush to rotate cleaning inner-walls of duct, while coordinating ejection cleaning solution, improves cleaning efficiency. |