ROTARY COVER INCLINATION-CONTROLLING DEVICE OF MAINTENANCE WORK MACHINE

PURPOSE:To enable to efficiently change and control the splashing direction of mud soil with the rotaries of the maintenance work machine in good workability by automatically changing the inclinations of both rotary covers with a motor, etc. CONSTITUTION:In the maintenance work machine in which the inner ends of both rotary covers 2a, 2b for covering the rotary from the upper side are pivotally attached to a rotary frame 3 and further in which the inclinations of the rotary covers 2a, 2b can freely controlled with both hanging fittings linked to the upper surfaces of both the rotary covers 2a, 2b, respectively, a driving gear 6 capable of being reciprocatively driven with a motor, etc., is pivotally disposed at a place above a rotary frame 3 in the longitudinal direction of the frame, and longitudinal racks 7a, 7b engaged with the driving gear 6 are formed on both the hanging fittings 4a, 4b so that one end of each of the racks is disposed on the upper side and the other is disposed on the lower side.