Positive and negative thread multi-speed gauging rule

• Main Authors: YUAN PANFENG, SONG XU, YANG KAILONG, YU GAOYIN, ZUO XIAOWEI, WANG XIANG, WANG YONG
• Format: Patent
• Language: Chinese; English
• Published: 12.07.2022
• Subjects: CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS; PERMANENT WAY; PERMANENT-WAY TOOLS

The utility model belongs to the technical field of track distance measurement, and particularly relates to a right-and-left thread multi-speed gauging rule which comprises a right-and-left thread gauging rule assembly which comprises a rule body and a bearing vertical plate, a groove is formed in the top end of the rule body, the bearing vertical plate is installed in the middle of the groove of the rule body, and a rope hanging hole is formed in the top end of the bearing vertical plate; the clamping assembly comprises rotary connecting pieces, a connecting plate, a side clamping plate, an upper clamping plate, a containing column and a pulley, the two rotary connecting pieces are symmetrically installed on the two sides of the top end of the ruler body, the connecting plate is installed on the rotary connecting pieces, and a first sliding groove is transversely formed in the connecting plate; one side wall of the interior of the first sliding groove is connected with one end of a first movable rod through