Brake pull-rod device

The utility model provides a brake pull-rod device which comprises the components of: a supporting rod, a pull-rod assembly and a brake hook assembly. The pull-rod assembly comprises a pull rod, a guide rail member, a positioning strip, a positioning sleeve, an insulating pad sleeve and a hook. One end of the positioning strip is provided with a control hand brake, The other end of the positioning strip abuts against the outer wall of the insulating pad sleeve and is arranged between the insulating pad sleeve and the positioning sleeve. The positioning sleeve is movably arranged on the positioning strip. An upper protective head is internally provided with a cross-shaped groove. The brake hook assembly comprises a cross-shaped base and a hook body which is arranged on the cross-shaped base through a mounting pin. The cross-shaped base is snapped and fixed in the cross-shaped groove. The cross-shaped base is internally provided with a recessed chamber. An extension spring is arranged between the recessed chamber and the end of the hook body. The brake pull-rod device provided by the utility model has advantages of: simple structure, convenient and quick use, relatively better insulating performance as the insulating pad sleeve is arranged, reasonable and practical structure through arranging the brake hook assembly and the hook, and high applicability.