Lifting device with high safety performance

The invention discloses a lifting device with high safety performance, which comprises a main body frame, a lift car is arranged in the main body frame, lifting mechanisms capable of driving the lift car to move up and down are symmetrically arranged on the two sides of the main body frame, and top anti-falling mechanisms are respectively arranged on the two sides of the top of the lift car. A brake pipe is arranged on the main body frame, an eccentric wheel mechanism is arranged on the brake pipe, the eccentric wheel mechanism is fixedly arranged on the lift car, an inner door frame is arranged at an entrance and an exit of the lift car, a counterweight door is arranged in the inner door frame in a sliding mode, and a driving mechanism capable of driving the counterweight door to ascend and descend is arranged on the inner door frame. An outer door frame is arranged at an inlet of the main body frame, outer door bodies are arranged on the two sides of the outer door frame respectively, and an electric mortis