| abstract |
The utility model relates to a transmission line sag observer belongs to the transmission line construction and overhauls, checks and accepts technical field. Technical scheme is: be equipped with draw -in groove (9) on cassette (6), cassette (6) and draw -in groove (9) are link up in perforate (8), the central line and the perpendicular setting of draw -in groove (9) of perforate (8), and fastening bolt (7) set up on cassette (6) perpendicularly through perforate (8), be equipped with a plurality of positioning hole (10) on cassette (6), the central line and the perpendicular setting of draw -in groove (9) in positioning hole (10), the one end of support vertical shaft (4) is passed through on fastening nut (5) and positioning hole (10) fasten cassette (6), and the other end be the globoid, and with the globular recess accordant connection of universal base (3) one end, the other end of universal base (3) passes through through bolt bolt (2) and articulates with monocular (1). The beneficial effect of the utility model: instrument simple structure, convenient to carry, the low cost manufacturing of being convenient for, the practicality is strong. |