Auxiliary tree planting device for landscaping engineering

The invention discloses a tree auxiliary planting device for landscaping engineering, and relates to the technical field of landscaping engineering equipment. The device comprises two support assemblies which are connected in a matched mode. A first connecting structure is connected between the two support assemblies. The support assembly comprises a movable bottom support, and the upper surface of the bottom support is connected with a top support through a pair of supporting columns. The top support comprises a U-shaped frame A, a U-shaped frame B is arranged in the U-shaped frame A, an adjusting screw rod is arranged on the U-shaped frame A in a threaded penetrating mode, a bearing connected with the adjusting screw rod is arranged on the outer side wall, close to the U-shaped frame A, of the U-shaped frame B, notches are formed in the two ends of the U-shaped frame B respectively, and a connecting rod is hinged to the interior of any notch. A connecting sleeve and a connecting rod C are respectively hinge