Auxiliary device for portable cotton picker

The invention discloses an auxiliary device for a portable cotton picker. The auxiliary device is characterized in that positioning sleeves are arranged on one wrist and one upper arm of a human body in a sleeving way; positioning rings are arranged on the positioning sleeves; a fixing pin is arranged on the outer end part of a cotton picker shell; the fixing pin is connected with a telescopic spring; the telescopic spring is connected with the fixing end of a telescopic rubber band; the movable end of the telescopic rubber band is provided with a gap, can movably pass through the positioning rings on the wrist and the upper am in sequence, and extends to one shoulder of the human body; a knapsack belt is arranged on the shoulder; an adjusting buckle is arranged on the knapsack belt; the movable end of the telescopic rubber band is arranged on the adjusting buckle. Through arrangement of the auxiliary device for the handheld cotton picker, weight borne by the wrist is transferred onto the shoulder through the arm by using the contraction effects of the telescopic spring and the telescopic rubber band, so that the operating flexibility of the cotton picker is enhanced, and the labor intensity of people is lowered fundamentally. The auxiliary device is simple in structure, is scientific in design, and works stably.