High-voltage cabinet HD4 circuit breaker front door interlocking device

The utility model discloses a high-voltage cabinet HD4 circuit breaker front door interlocking device, which comprises an ejector rod, a connecting rod and a hook which are sequentially connected, the hook is matched with an interlocking support on the inner side of a front door plate, and the ejector rod enables the hook to swing through the connecting rod; the push rod penetrates through the handcart positioning piece along the horizontal direction, the middle part of the push rod is hinged with the handcart positioning piece, one end of the push rod is provided with a roller, the other end of the push rod is connected with one end of the connecting rod through a bolt, one end of the push rod close to the connecting rod is connected with one end of the tension spring, and the other end of the tension spring is hung on the end part of the handcart positioning piece along the length direction. According to the high-voltage cabinet HD4 circuit breaker front door interlocking device provided by the utility mode