Supplementary measuring staff of scalable steel tape span

• Main Authors: ZHANG YANFANG, ZHANG YUNDUAN, GUAN PENGJU, LIANG YANCHAO, LIU JUJIE, MA HAIXIA, CAO WEI, ZHANG HEKUN, GUO KELE
• Format: Patent
• Language: Chinese; English
• Published: 25.01.2019
• 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 supplementary measuring staff of scalable steel tape span, including mobile jib, telescopic canular rods, connector, magnet, mobile jib and telescopic canular rods are the hollow tube, and the telescopic canular rods cover is established in the mobile jib, and that one end of keeping away from the mobile jib at telescopic canular rods is fixed to the connector, and that one end of keeping away from telescopic canular rods at the connector is fixed to magnet. The utility model discloses a scalable supplementary measuring staff extension contact distance, simple structure, convenient to use, the operation of being convenient for, mobile jib, telescopic canular rods adopt the hollow stainless steel material, and be light practical, telescopic link one end adoptsthe antiskid cover, but the increases friction degree improves the instrument stability of measurationing, connector top pipe inner embedment magnet guarantees that the top is stable with the laminating of steel tape chi area