Construction device for concrete scabbling

A construction device for concrete scabbling comprises a flat car and an air pick detachably arranged on the flat car, a transverse handrail is arranged on the flat car, an operation handle is hinged to the transverse handrail, the air pick comprises a handle and a starting pressing handle, a guide wheel is arranged on the handle, and the starting pressing handle is hinged to the operation handle. A steel wire rope is arranged on the starting pressing handle, and the other end of the steel wire rope is arranged on the operation handle through the guide wheel. Compared with the prior art, when concrete is scabbled, an operator can control opening and closing of the air pick through the operation handle, and the scabbling range of the air pick is controlled through the push-pull flat car; during chiseling, an operator is prevented from being in direct contact with the air pick, and during construction, the flat car serves as a weight reducing device, a damping device and a protecting device of the air pick, so