Double-hole air-suction type soybean and corn universal energy-saving seed metering device

• Main Authors: JIA HONGLEI, LI MINGWEI, ZHOU RENYI, ZHAO JIALE, ZHU LONGTU, CHEN TIANYOU, WANG QI, GU BINGLONG, HUANG DONGYAN
• Format: Patent
• Language: Chinese; English
• Published: 02.08.2019
• Subjects: AGRICULTURE; ANIMAL HUSBANDRY; FERTILISING; FISHING; FORESTRY; HUMAN NECESSITIES; HUNTING; PLANTING; SOWING; TRAPPING

The invention provides a double-hole air-suction type soybean and corn universal energy-saving seed metering device, which belongs to the technical field of agricultural machinery. In the invention, the edge of a disc body of the seed metering device is provided with a double-suction-hole seed taking groove, and a groove is arranged in the seed taking groove for soybean taking; the double suctionholes are connected with an air suction passage, the air suction passage is connected with the double suction holes and a negative pressure chamber, and the negative pressure chamber is formed by thecombination of the disc body and an air cover; the air cover has an air extraction hole and an air blocking block, and an isosceles cone ring is arranged on the air cover and the disc body; the air cover is matched with the bearing, the air cover is tightly buckled to the bearing by a ring buckle, the bearing and a second shaft surface of a shaft are in interference fit, and the disc body is tightly buckled to a rotating s