Field window opening device

Abstract

The utility model relates to the technical field of machining equipment, in particular to an on-site windowing device which comprises a main machine frame, a positioning portion is arranged in the center of the main machine frame and comprises a center main shaft, one end of the center main shaft is fixed to the side wall of a window to be opened, and the other end of the center main shaft is connected with a locking sleeve. The main shaft sleeve sleeves the outer side of the central main shaft, the locking sleeve is connected between the main shaft sleeve and the central main shaft, and a milling groove part is arranged on the outer side of the side wall of the main rack. One end of the arranged center spindle is fixed to the side wall to be windowed, the other end of the center spindle is provided with the main rack, the groove milling part is arranged in the main rack, and windowing is achieved after on-site groove milling of the side wall of the carriage is achieved.

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