Lifting machine with protection mechanism

The utility model discloses a lifting machine with a protection mechanism. The lifting machine comprises a base, a balance protection assembly is arranged at one end of the base, a lifting protection assembly is arranged at the end, close to the base, of the balance protection assembly, a fixed adjusting assembly is arranged at one end of the lifting protection assembly, and a controller is arranged on one side of the base. Through mutual cooperation of all the mechanisms, the stable range can be determined according to the weight and the size of a lifted object to adjust the angle and the length, further adjustment can be conducted according to the stability of a road surface, and therefore the stability of the lifting machine can be guaranteed, and meanwhile the stability of the lifting machine can be improved through the arrangement of the fixing and adjusting assembly. During use, the problem that a lifted object moves due to shaking or vibration in the lifting process can be avoided, and then the protect