Device for shield constructs no line detection of hobbing cutter rotational speed and wearing and tearing

The utility model discloses a device for shield constructs no line detection of hobbing cutter rotational speed and wearing and tearing, including setting up the safety cover on the blade disc, be equipped with first nut in the safety cover, second nut and battery, be connected with first barrel casing on the first nut, first barrel casing passes the third nut of fixing on the girff, and first barrel casing top is equipped with hobbing cutter rotation speed sensor, be connected with the second barrel casing on the second nut, second barrel casing top is equipped with the urceolus, is equipped with hobbing cutter cutter ring wearing and tearing inductor in the urceolus, and the urceolus top is equipped with the apron, be equipped with the fixed slot on the safety cover, be equipped with the wireless transmission antenna in the fixed slot the utility model discloses simple structure, it is small, and the installation is light, efficient, the reliable operation, but hobbing cutter cutter ring wearing and tearing inductor and hobbing cutter rotation speed sensor's accurate positioning can be realized in blade disc hobbing cutter position to the direct mount through adjusting nut to the realization effectively reduces the hobbing cutter excessive wear and results in the ruptured risk of blade disc hobbing cutter wearing and tearing and the wireless real-time detection of pivoted