Axially elastic buffering automatic grain sampling drill

• Main Author: DU GUANGYI
• Format: Patent
• Language: Chinese; English
• Published: 09.07.2014
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The utility model relates to grain sampling equipment, and discloses an axially elastic buffering automatic grain sampling drill. The drill comprises a sleeve drill body, wherein the lower end of the sleeve drill body is fixedly connected with a drill tip. The drill is characterized by further comprising a large slide block, a drill pressure plate, a spring, a spring collar, a guide key and an adjusting nut, wherein the large slide block is fixedly connected with the drill pressure plate; the sleeve drill body is fixedly connected with the spring collar; the spring is arranged on the sleeve drill body in a sleeving manner; the sleeve drill body sleeved with the spring is mounted in a combination hole formed by the large slide block and the drill pressure plate; the upper end of the sleeve drill body is fixedly mounted on an upper plane of the large slide block and the drill pressure plate via the adjusting nut; and the guide key fixedly connected with the spring collar is matched with a limiting groove of the