Device for quickly dredging pressure pipeline container drain pipe

• Main Authors: LI QIANGZHANG, CAO JUN
• Format: Patent
• Language: Chinese; English
• Published: 10.09.2019
• Subjects: BLASTING; CLEANING; CLEANING IN GENERAL; HEATING; LIGHTING; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; PIPE-LINE SYSTEMS; PIPE-LINES; PREVENTION OF FOULING IN GENERAL; STORING OF DISTRIBUTING GASES OR LIQUIDS; TRANSPORTING; WEAPONS

The utility model discloses a device for quickly dredging a drain pipe of a pressure pipeline container. Wherein the inner sleeve is provided with a flange and a trapezoidal internal thread; a trapezoidal threaded screw rod is connected into the inner sleeve through a trapezoidal internal thread; the top end of the trapezoidal threaded screw rod is connected with a hollow tool bit through a key, alocking nut, a spring washer and a flat washer; saw teeth are uniformly distributed on the axial circumferential wall of the hollow tool bit at intervals; an O-shaped sealing ring is arranged at thelower end of the inner sleeve, the inner sleeve is sleeved with an outer sleeve in a spaced and matched mode, butter packing and a packing gland are arranged at the lower end of the outer sleeve, andthe lower end of the threaded lead screw penetrates through the packing gland and is fixedly connected with the outer sleeve through a locking nut. The device can conveniently and quickly dredge the blocked liquid discharge pip