Abstract: The present invention provides a threading device, wherein a bent pipe converging device in the threading device is rotationally disposed on a first rotating shaft through a first sleeve, an annular gasket and a clamp spring, the bent pipe converging device can rotate up and down and also can swing left and right, a rope arrangement auxiliary device consisting of a rope arrangement plate, a first eccentric wheel with a first push rod and a rope arrangement motor is disposed on an inward outlet of the bent pipe converging device, a first sliding groove and a second sliding groove are disposed on the rope arrangement plate in parallel, a sliding direction of the first sliding groove and the second sliding groove is perpendicular to a reciprocating direction of the rope arrangement plate, and the internal outlet of the bent pipe converging device and the first push rod are inserted into the first sliding groove and the second sliding groove, respectively; by such a configuration, the first eccentric wheel can en

Abstract: Disclosed is a threading device suitable for a building electrical pipeline. The threading device comprises a fan, a take-up and pay-off main machine and a connecting hose. A take-up state induction mechanism mainly composed of a bent pipe converging device, a first rotating shaft, a bent pipe converging device lifting spring and a first microswitch is creatively arranged in a ventilation bin. When a strong wire is tightened, the bent pipe converging device is easy to rotate along with tightening of the strong wire, and the strong wire makes contact with the first microswitch in time when being tightened. After the strong wire is loosened, the bent pipe converging device can automatically return under the action of the bent pipe converging device lifting spring, and the take-up state of a wire wheel is recovered.

Abstract: Disclosed is a threading device suitable for a building electrical pipeline. The threading device comprises a fan, a take-up and pay-off main machine and a connecting hose. A take-up state induction mechanism mainly composed of a bent pipe converging device, a first rotating shaft, a bent pipe converging device lifting spring and a first microswitch is creatively arranged in a ventilation bin. When a strong wire is tightened, the bent pipe converging device is easy to rotate along with tightening of the strong wire, and the strong wire makes contact with the first microswitch in time when being tightened. After the strong wire is loosened, the bent pipe converging device can automatically return under the action of the bent pipe converging device lifting spring, and the take-up state of a wire wheel is recovered.