| 摘要 |
PURPOSE: An apparatus for connecting a power transmission shaft and a coil-wire and an apparatus for boring a sewer using the same are provided to perform a boring task for a sewage drain in a narrow space. CONSTITUTION: An apparatus for connecting a power transmission shaft comprises a power transmission shaft(10), a flexible coil wire(20) and a connection unit(30). The power transmission shaft is combined with all kinds of the gearings. The flexible coil wire flows in the power transmission shaft and the sewage drain. The connection unit is included in the ends of the coil wire and the power transmission shaft. The connection unit connects or disconnects the power transmission shaft and the coil wire. |
