Pre-tensioned hollow slab side bush hammer

The utility model discloses a pre-tensioned hollow slab side face bush hammer which comprises a driving mechanism, the upper surface of the driving mechanism is fixedly connected with a supporting plate, the side face of the supporting plate is fixedly connected with a machining part, the upper surface of the supporting plate is fixedly connected with a bearing mechanism, and the upper surface of the bearing mechanism is fixedly connected with a power distribution mechanism. According to the utility model, through the arrangement of the bearing mechanism and the hydraulic push rod box, the device has the advantages that the hydraulic push rod box is used for providing power to push the supporting plates, so that the distance between the supporting plates is changed, and the purpose of improving the applicability of the device is achieved; and the device has the capability of simply treating smoke dust generated in the working process of the device through the smoke dust treatment mechanism, so that the smoke