Wire rod that has a self-locking function rolls to lead and defends hubei province board device

The utility model provides a wire rod that has a self-locking function rolls to lead and defends hubei province board device, belongs to rod rolling equipment technical field for avoid hubei province board adjusting bolt to take place wearing and tearing or not hard up. Its technical scheme is: there is upwards projecting part at the rear portion of hubei province board, and projecting part lies in to roll and leads the top of defending the body upper surface, has hubei province board adjustable screw hole on the postlaminar part projecting part of hubei province, and hubei province board adjustable screw ties and hubei province board adjustable screw hole phase-match, and the screw rod top spin of tieing at hubei province board adjustable screw has lock nut. The utility model discloses change hubei province board adjusting bolt on the board of hubei province into external form by original built-in form, avoided hubei province board adjusting bolt's wearing and tearing, increase lock nut on the board adjusting bolt of hubei province, can lock hubei province board adjusting bolt, prevent that hubei province board adjusting bolt from taking place not hard uply or droing, quality or production accident that hubei province board avoiding leading to therefrom and guide pulley opening degree grow take place. The utility model discloses simple structure, adjust convenient, the effect is obvious, low cost, has apparent economic benefits.