Adjustable cast-in-place pile hole bottom rock sample sampler and use method thereof

• Main Authors: JIA SHENGWEN, LIU FENG, ZHANG LIYUAN, HUANG DALANG, LIAO XUAN, SUN YANTAO, LI JIAN, LIU DANDAN, CHEN ZUOMING, PU MINGFU
• Format: Patent
• Language: Chinese; English
• Published: 19.04.2022
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention relates to an adjustable cast-in-place pile hole bottom rock sample sampler and a use method thereof.The adjustable cast-in-place pile hole bottom rock sample sampler comprises a handheld part used for handheld operation of an operator and further comprises a fishing mechanism, the fishing mechanism comprises a plurality of straight rods with the same length and a fixing piece, and one ends of the straight rods are fixed to the fixing piece at equal intervals to form an open material receiving end of the fishing mechanism; the other ends of the multiple straight rods are gathered together to form a narrow-opening material fishing end of the fishing mechanism, the material fishing end is smoothly connected with the material collecting end, and the cross sectional area of the fishing mechanism is gradually decreased from the material collecting end to the material fishing end. A middle rod is arranged in the fishing mechanism, a fishing space for remaining slag is formed between the middle rod and