Elevator guide rail support lengthening device

The invention provides an elevator guide rail bracket lengthening device, which belongs to the technical field of elevators and comprises a connecting structure and a fixing structure, the connecting structure is suitable for being connected with an elevator guide rail support. The number of the fixing structures is two. The two fixing structures are connected with the connecting structure; the two fixing structures are arranged on the two sides of the connecting structure correspondingly. The fixing structure comprises an extending part and a fixing part; the fixing part is suitable for being fixedly connected with an elevator shaft wall; the extending part is arranged between the fixing part and the connecting structure; the extending part extends in the direction away from the wall of the elevator shaft. According to the scheme, when the elevator guide rail support is insufficient, the elevator guide rail support is directly connected with the connecting structure, the elevator guide rail support is connec