Equipment box lifting derrick

The utility model belongs to the technical field of water conservancy monitoring, and relates to an equipment box lifting derrick which comprises a foundation, a derrick body, a lifting device and a guide rail, the bottom of the derrick body is fixed to the foundation, the lifting device is used for lifting an equipment box from the bottom of the derrick body to the top of the derrick body, and when the lifting device is a pulley steel cable lifting device, the top of the derrick body is fixedly connected with a fixed pulley; a universal ratchet wheel is fixedly connected to the bottom of the holding pole, one end of a steel cable is fixedly wound on the universal ratchet wheel, the other end of the steel cable bypasses the fixed pulley and then falls back to the bottom of the holding pole, a lock catch is fixedly connected to the end, falling to the bottom of the holding pole, of the steel cable, and a locking mechanism is arranged on the universal ratchet wheel; according to the utility model, the equipment