Operation platform in elevator shaft

The invention discloses an operation platform in an elevator shaft, and relates to the field of elevator construction devices.The operation platform comprises a platform body and a supporting frame used for supporting the platform body, the platform body comprises a mounting base mounted on the supporting frame and a supporting plate arranged on the upper end face of the mounting base, and at least one cleaning hole is formed in the upper end face of the supporting plate; a mounting groove is formed in the upper end face of the mounting base, mounting columns used for sealing the cleaning holes are arranged on the bottom wall of the mounting groove, the number of the mounting columns is the same as that of the cleaning holes, lifting pieces used for driving the supporting plate to ascend and descend are arranged on the bottom wall of the mounting groove, and a collecting piece used for collecting sundries is arranged on the upper end face of the supporting plate. When the sundries are cleaned, the sundries on