S-shape self-lifting platform for construction lifter

A S-shaped lifter automatic platform comprises a lifting main steel line. The invention is characterized in that it also comprises a platform body, a lifting coiling element, a standard joint lifting coiling element, clamping claw operators and a lifting main steel line suspender. The platform body is formed by guard bars, an operation platform and a guide support. The operation platform is mounted with guard bars around. The posts of the lifter are at the center of the operation platform whose lower part is disposed with the guide support containing the posts. The guide support is disposed with eight guide wheels. The sides of the operation platform are mounted with the platform lifting coiling element and the standard joint lifting coiling element. Two sides of the guide support are mounted with clamping claw operators. The lifting main steel line suspender is mounted under the operation platform, via which the main steel line is suspended on the operation platform. The invention utilizes the vertical transmission function of the lifting basket of the lifter and the standard joint to set the lifting frame on preset height.