Patent ID: 9728327
Date: 2017-08-08
CPC Classifications: H01F,H01H

Claim:
1. An external combined on-load tap changer, comprising: a switch box, a switch body and a motor mechanism, a top box wall of the switch box being opened with a top opening, a top box cover being mounted on the top opening, characterized in that, the switch body is detachably mounted in the switch box and is entirely lifted in and lifted out by the top opening; and the motor mechanism is connected with the switch body in a driving manner wherein a rear box wall of the switch box is provided with at least two switch body mounting plates, an upper portion of each switch body mounting plate is opened with a combined mounting positioning hole; the switch body has a bottom plate, a positioning nail is disposed at a location of the bottom plate corresponding to the combined mounting positioning hole on each switch body mounting plate; and the switch body is mounted in the switch box, the positioning nail is hanged in the combined mounting positioning hole.