Probe protection device capable of enabling static penetrometer to pass through hard soil layer

• Main Authors: LI YIQUN, XU JINGMING, YANG GANG, JIANG YUXUAN, LI QINGZHUO, GARRY
• Format: Patent
• Language: Chinese; English
• Published: 24.06.2022
• Subjects: EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

The invention relates to a probe protection device capable of enabling a static penetrometer to pass through a hard soil layer, the probe protection device comprises a lifting structure and an opening and closing structure, the lifting structure comprises a protection side arm (2), an upper electromagnet (5) and a lower electromagnet (7); the opening and closing structure comprises a protection claw (4) and an elastic rotating shaft (8) which can be encircled together; the lifting structure and the opening and closing structure are connected through an elastic rotating shaft (8), and the elastic rotating shaft (8) also controls opening and closing of the four protection claws (4). The inner sides of the protection side arms (2) are matched with the outer wall of a static sounding probe rod (9) to be protected; a sliding groove (6) is formed in the inner side of the protection side arm (2), and the upper electromagnet (5) and the lower electromagnet (7) are fixed to the upper portion and the lower portion of t