Fixing device for shell maintenance

The utility model belongs to the technical field of machine shell maintenance, and particularly relates to a fixing device for machine shell maintenance, which comprises a bottom plate and a side plate, the side plate is mounted on one side of the surface of the bottom plate, a maintenance table is arranged on the top surface of the bottom plate, a fixing block is arranged on the surface of the side plate close to the top of the maintenance table, and contraction blocks are arranged at two ends of the bottom of the fixing block. A fixed block is installed on the surface of the side plate, a movable block is installed on the surface of one side of the fixed block, the surface of the bottom of the fixed block is made of rubber, and a first groove and a second groove are formed in the surface of the side plate. And therefore, the machine shell is fixed on the surface of the overhaul stand, the machine shells with different heights can be conveniently fixed on the surface of the overhaul stand, the applicability