Elevator fault detection device

The utility model discloses an elevator fault detection device which comprises a car and an elevator fault detector body, the top of the car is fixedly connected with an operation machine box, the top and the bottom of the right side of the operation machine box are fixedly connected with a fixing plate and a supporting plate respectively, a movable hole is formed in an inner cavity of the fixing plate, and the supporting plate is fixedly connected with the bottom of the right side of the operation machine box. A movable rod is movably connected to an inner cavity of the movable hole, a concave positioning plate is fixedly connected to the bottom of the movable rod, and the elevator fault detector body is located between the concave positioning plate and the supporting plate. According to the elevator fault detector, the fixed plate, the supporting plate, the movable hole, the movable rod, the concave positioning plate and the spring are arranged, so that the elevator fault detector body can be rapidly instal