Wireless depth measuring device applied to drill rod

• Main Authors: ZHOU CHAO, ZHEN DAYONG, ZOU YUANHUA, ZHANG DANGUI, ZHANG GUANGZE, KIM JUN-JUN, ZHAO SIWEI, ZHANG YULU, CHANG XINGWANG, LIU KANG, ZHANG XIALIN, YIN XIAOKANG, CAO YUNYONG, SEO JEONG-SEON, LI DONG
• Format: Patent
• Language: Chinese; English
• Published: 30.09.2022
• Subjects: MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; PHYSICS; TESTING

The utility model discloses a wireless depth measuring device applied to a drill rod. The wireless depth measuring device comprises a measuring wheel, a first pressing wheel, a second pressing wheel, a screw rod and a pressing wheel adjusting knob, the measuring wheel is respectively connected with the first pressing wheel and the second pressing wheel through a main connecting rod, a first connecting rod and a second connecting rod, and the first connecting rod and the second connecting rod are respectively provided with a first fixing piece and a second fixing piece; one end of the screw rod is fixedly connected with the first fixing piece, and the other end of the screw rod penetrates through the second fixing piece and is bolted with the pinch roller adjusting knob. The wireless depth measuring device applied to the drill rod can be suitable for drill rods with various diameters, and is high in depth measuring precision, simple in structure and convenient to use. 本实用新型公开了一种应用于钻杆的无线深度测量装置，包括测量轮、第一压紧轮、第二压紧轮