Laser pointing instrument fixing device which is accurate in pointing and convenient to adjust

• Main Authors: YAO GONGDE, GAO JIANMING, DUAN CHANGPENG, LI KAISHUN, SONG QINGFEI, SHAN ZHENYU, XU SHOUQI
• Format: Patent
• Language: Chinese; English
• Published: 15.01.2021
• Subjects: GYROSCOPIC INSTRUMENTS; MEASURING; MEASURING DISTANCES, LEVELS OR BEARINGS; NAVIGATION; PHOTOGRAMMETRY OR VIDEOGRAMMETRY; PHYSICS; SURVEYING; TESTING

The utility model relates to the technical field of roadway construction equipment, in particular to a laser direction indicator fixing device which is accurate in direction and convenient to adjust.The device comprises a plurality of top plate anchor rods penetrating through the top of a roadway at equal intervals, the peripheral side wall of the lowermost end of each top plate anchor rod is sleeved with a first nut, an equal-strength anchor rod is welded to the lower end of each first nut, and the peripheral side wall of each equal-strength anchor rod is sleeved with a fixed rotating mechanism used for fixing a rotating laser director; an upper fixing nut and a lower fixing nut which are arranged on the peripheral side wall of the equal-strength anchor rod in a sleeving mode are arranged on the upper side and the lower side of the fixed rotating mechanism respectively. The laser tunneling machine can conveniently and quickly adjust the up-down position and the left-right position oflaser, accurately points