| 摘要 |
A lift dropping prevention apparatus of lighting tower including bracket of lift dive brake is provided to prevent a lift dive by operating a brake in case of cutting a wire rope. A lift dropping prevention apparatus of lighting tower includes a guide rail(2), a wire rope(3), a lift dive brake(5), and a bracket(5a). Hanger supporting boards(6, 6a) are protruded in both upper sides of the bracket. An end(3a) of the wire rope is fixed in an upper axis(7a) of a hanger board(7). Rods(8, 8a) and arms(9, 9a) are axis connected in both ends of the hanger board. Arm bodies(10, 10a) are fixed in a lower end of the hanger board of a brake gear axis(13a). Two pinions(11, 11a) are fixed in the brake gear axis. Eccentricity brake gears(12, 12a) is installed in the guide rail connection piece(2a). Pull-back springs(14, 14a) are elasticized between protrusion axis(7b, 7c) and bracket lower-part(5b). |
