Maintenance cover switchgear for construction vehicle

摘要

The present invention relates to a maintenance cover opening and closing device of a construction machine vehicle, in particular a cover fixed to the upper surface of the lower frame (6) of the construction machinery vehicle, opening and closing the maintenance hole (6-1) of the lower frame ( A guide plate 9 into which 1) is inserted to slide; A fixing plate 7-2 fixed to the lower surface of the lower frame 6; A support plate 7-1 fixed to an upper surface of the fixing plate 7-2 to be inserted into the maintenance hole 6-1; It relates to a maintenance cover opening and closing device for a construction machine vehicle, characterized in that the stopper 10 is fixed to one side of the upper surface of the lower frame 6 to limit the sliding of the cover (1).