Protection construction structure in instrument formula elevartor shaft

The utility model discloses a protection construction structure in instrument formula elevartor shaft, the left side end of first fixed pipe is through head rod and first sleeve pipe sliding connection, first sleeve pipe is connected with the left front angle of first square frame frame, the right side end of first fixed pipe is through second connecting rod and second sleeve pipe sliding connection, the second sleeve pipe is connected with the right front angle that the second square frame put up, be connected with wire rope between the articulated department of first square frame frame and second square frame frame and the intermediate position of first fixed pipe, the intermediate position of first fixed pipe still is provided with manual rotating shaft, first square frame puts up the embedded first close mesh safety net that has, the second square frame puts up the embedded close mesh safety net of second that has. The beneficial effects of the utility model are that: can be prefabricated in advance accor