Fruit tree ground diameter measuring device

The invention discloses a fruit tree ground diameter measuring device, and belongs to the field of fruit tree ground diameter measurement. A fruit tree ground diameter measuring device comprises a supporting frame and further comprises telescopic assemblies symmetrically fixed to the supporting frame. The clamping sleeve is fixed on the telescopic assembly; the control box is fixed on the support frame; the measuring barrel is circumferentially fixed in the jacket; the sliding rod slides in the measuring barrel in a sealing manner; the spring is fixed between the measuring barrel and the sliding rod, and the spring is fixed in the measuring barrel; the drainage pipe is fixed at the bottom of the measuring barrel, and a detection assembly is arranged in the drainage pipe; according to the invention, a plurality of groups of data are used for supporting, and the average value is calculated to obtain the more accurate fruit tree ground diameter, so that the accuracy of measuring the fruit tree ground diameter is