Portal frame of car elevator

The utility model relates to an elevator, in particular to a portal frame of a car elevator, which mainly aims to solve the technical problems of the prior art that the structure of an elevator car portal frame adopted by the elevator is relatively complicated, the construction of the elevator car portal frame is relatively inconvenient, the strength is worse, and the like. The portal frame comprises a pair of main vertical beams (1); the portal frame is characterized in that the upper ends and the lower ends of the main vertical beams (1) are respectively connected with a main upper beam (2) and a main lower beam (3), the main upper beam is connected with rope wheels (4), the main upper beam is connected with two pairs of auxiliary vertical beams (6) through an auxiliary vertical beam connecting piece (5), the upper end and the lower end of each auxiliary vertical beam are respectively connected with an auxiliary upper beam (7) and an auxiliary lower beam (8), two sides of the main vertical beams (1) are res