Adjustable small crane

The utility model relates to an adjustable small crane. Compared with the prior art, the adjustable small crane overcomes the defect that the small crane cannot be used in a plurality of different environments. The adjustable small crane comprises a main engine base (13), a stand column sleeve (14) and a motor main engine (12), wherein the stand column sleeve (14) and the motor main engine (12) are arranged on the main engine base (13); a steel wire rope (30) on the motor main engine (12) is guided by an upright rod pulley (5) and an armed rod pulley (29) and then is connected with a lifting hook (27); the adjustable small crane also comprises an upright rod assembly and an armed rod assembly; the upright rod assembly comprises an upper upright rod (2) and a middle upright rod (4); the armed rod assembly comprises an outer armed rod (21) and an inner armed rod (23). The adjustable small crane can adapt to installation and use in various changeable places and has the characteristics of simple structure, conven