Municipal road crack detection device and detection method

• Main Authors: ZHANG WENDONG, MA CHENGLONG, LIANG YONGHONG, SUN XIUJUAN, GUO RUNHUA, LIU LICHUANG, ZHOU ZHIHUA, HUANG GANG, LIU JUNWEI, LONG YAOJIAN, MO CHUNHAN, DENG JINSHANG, LIN YIHONG
• Format: Patent
• Language: Chinese; English
• Published: 18.06.2021
• Subjects: MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; PHYSICS; TESTING

The invention discloses a municipal road crack detection device and method. The municipal road crack detection device comprises a box body, a first fixing box, a first rotating shaft, a winding roller, a measuring assembly, a second rotating shaft, a transmission rod and a second spring. The first fixing box is connected with the inner wall of the box body; a first opening is formed in the box body; the first rotating shaft is rotationally connected with the first fixing box and is connected with the winding roller; a fixing assembly is arranged on the winding roller; the measuring assembly is connected with the winding roller through a winding line, the measuring assembly is slidably connected with the first fixing box, and a first spring is arranged on the measuring assembly; the second rotating shaft is in transmission connection with the first rotating shaft; a fixing piece is arranged on the transmission plate; a marking assembly is arranged on the fixing piece; the transmission plate is connected with t