Sand-blown sand sampling device

• Main Authors: SHARENTUYA, LIU XUEFENG, HUANG WEILI, WANG MEIZHEN, LI JIATAO, WU ZHENTING, WU YONGZHI
• Format: Patent
• Language: Chinese; English
• Published: 08.12.2020
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The utility model discloses a sandy soil sampling device, which relates to the technical field of soil sampling and comprises a sampling head and a force application rod, the sampling head is a cylinder, one end of the sampling head is opened, the other end of the sampling head is closed, a soil unloading hole is formed in the side wall of the sampling head, and the opening end of the sampling head is used for enabling soil to enter the sampling head. The closed end of the sampling head is connected with one end of the force application rod, a backflow prevention device is arranged on the inner wall, located between the open end of the sampling head and the soil discharging hole, of the sampling head, and the lower surface of the backflow prevention device can be opened under pressure so that sandy sandy soil can penetrate through the backflow prevention device to enter the space, located above the backflow prevention device, of the sampling head. Pressure loss can be closed to preventsoil entering the space,