Direct-current ground wire lightning arrester

The utility model discloses a direct current ground wire lightning arrester, which is characterized in that an L-shaped fixed conducting rod is arranged at one end of a lightning arrester body along the lightning arrester body, an L-shaped movable conducting rod is arranged at the other end of the lightning arrester body along the lightning arrester body, and a gap between the top end part of the movable conducting rod and the top end part of the fixed conducting rod can be adjusted. According to the utility model, live conduction of a short lightning arrester under meteorological conditions such as thunderstorm days can be avoided by adjusting the gap between the top end part of the movable conducting rod and the top end part of the fixed conducting rod. 本实用新型公开了一种直流地线避雷器，其是在避雷器本体的一端沿避雷器本体设呈L状的固定导电杆，在避雷器本体的另一端沿避雷器本体设呈L型的活动导电杆，活动导电杆的顶端端部与固定导电杆的顶端端部之间的间隙能够调节。本实用新型对于短避雷器可通过调节活动导电杆的顶端端部与固定导电杆的顶端端部之间的间隙就能避免雷雨天等气象条件下发生带电导通的情况。