Pneumatic dredging tool of lever swift current coal eye

The utility model provides a pneumatic dredging tool of lever swift current coal eye, includes the portal frame, and activity hinge joint has the jack back on the portal frame, and jack back front end fixedly connected with is used for the draw -in groove of fixed pneumatic pick. Fixedly connected with bracket on the portal frame, the jack back links to each other with bracket activity hinge joint. The bracket is " H " type, and the bracket holds in the palm the post including the middle horizontal joist that sets up, joist both ends fixedly connected with separately, asks the post to link to each other with the portal frame, fixedly connected with holds in the palm the groove on the jack back, asks the troughed belt to have the notch that open side down, holds in the palm the groove activity and sets up on the joist. The portal frame includes the crossbeam, and the crossbeam both ends are the fixedly connected with stand separately, and stand lower extreme fixedly connected with can fix the catching groove t