Device for picking potentilla fruticosa and control system thereof

The invention discloses a device for picking potentilla fruticosa and a control system thereof and relates to the technical field of picking of potentilla fruticosa. The device comprises a shearing mechanism, wherein the shearing mechanism comprises a first blade and a second blade, the first blade and the second blade are in running fit, a rotating shaft is in running fit in the first blade and the second blade, a first rod is in running fit with the peripheral side of the rotating shaft, and a first slideway is formed in the side of the first rod. The rotating shaft is rotatably matched in the first blade and the second blade, a second slide way is formed in the opposite inner side of a first slide way, a first circular ring is slidably matched in the second slide way, a first spring is arranged in the first circular ring, and two ends of the first spring are fixedly arranged on opposite inner sides of the first blade and the second blade; the first circular ring can slide conveniently to drive the first bl