A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
A pipeline dredger, including a compressed air gun and a sealing apparatus, wherein the compressed air gun includes an L-shaped air pipe, a cavity body and a gun handle; an exhaust apparatus is arranged in the cavity body; a sealed compressed air chamber is formed between the exhaust apparatus and the cavity body; the exhaust apparatus includes a tubular connecting pipe and an exhaust pipe connected mutually; one end of the exhaust pipe is connected with the L-shaped air pipe, and the other end is a connecting end; one end of the connecting pipe is a chamber, and the other end is connected with a pressure release valve; the connecting end is inserted into the chamber; a vent hole is formed in an inner wall of the chamber so that the chamber is communicated with the compressed air chamber; a piston structure which is always abutted against the connecting end is arranged in the chamber; the piston structure separates the chamber from the exhaust pipe; a pressure release airflow generated during pressure release of the pressure release valve flows into the chamber from the compressed air chamber and drives the piston structure to separate from the connecting end so that the airflow flows into the exhaust pipe from the compressed air chamber through the chamber and is discharged from the L-shaped air pipe; the sealing apparatus comprises an air-filled bag installed on the L-shaped air pipe; and the inflated air-filled bag can block a pipeline opening.
A pipeline dredger, including a compressed air gun and a sealing apparatus, wherein the compressed air gun includes an L-shaped air pipe, a cavity body and a gun handle; an exhaust apparatus is arranged in the cavity body; a sealed compressed air chamber is formed between the exhaust apparatus and the cavity body; the exhaust apparatus includes a tubular connecting pipe and an exhaust pipe connected mutually; one end of the exhaust pipe is connected with the L-shaped air pipe, and the other end is a connecting end; one end of the connecting pipe is a chamber, and the other end is connected with a pressure release valve; the connecting end is inserted into the chamber; a vent hole is formed in an inner wall of the chamber so that the chamber is communicated with the compressed air chamber; a piston structure which is always abutted against the connecting end is arranged in the chamber; the piston structure separates the chamber from the exhaust pipe; a pressure release airflow generated during pressure release of the pressure release valve flows into the chamber from the compressed air chamber and drives the piston structure to separate from the connecting end so that the airflow flows into the exhaust pipe from the compressed air chamber through the chamber and is discharged from the L-shaped air pipe; the sealing apparatus comprises an air-filled bag installed on the L-shaped air pipe; and the inflated air-filled bag can block a pipeline opening.
PIPELINE DREDGER
WANG HU (author)
2019-07-18
Patent
Electronic Resource
English