Profiling lifting structure

The utility model relates to a profiling lifting structure, belongs to the field of agricultural machinery, and aims to solve the problem that the compaction density of soil is not uniform when the existing agricultural soil preparation equipment works, the profiling lifting structure comprises a working main machine, a suspension arm, an oil cylinder and an adjuster, the working main machine comprises a rack, the suspension arm is arranged at the front end of the rack, and the oil cylinder is arranged on the rack. The oil cylinder is arranged on the upper portion of the machine frame, a piston rod of the oil cylinder is connected with the upper end of the suspension arm, the tail of a cylinder body of the oil cylinder is connected with the top of the machine frame, the oil inlet end of the kinetic energy regulator and the oil inlet end of the oil cylinder are arranged in parallel, and the tail of the operation main machine achieves profiling lifting motion according to different heights of the operation grou