Marine machinery maintenance support convenient to adjust

The ship mechanical maintenance support convenient to adjust comprises a bearing bottom plate, and moving wheels are fixedly installed at the positions, close to the edges of the four corners, of the bottom of the bearing bottom plate. According to the marine machinery maintenance support, the appropriate maintenance height can be selected according to needs, a worker can sit on the liftable seat at the top of the cross shear type lifter to conduct long-time maintenance work, the maintenance work can be conducted more conveniently, the liftable storage basket driven by the electric hoist is arranged, and the maintenance work is more convenient. When tools need to be taken and used, workers at the bottom only need to be matched to place the needed tools in the storage basket, the tools at the bottom can be lifted up by starting the electric hoist, maintenance work can be more convenient, the work efficiency of the maintenance work is improved, the mobile power source can provide electric power for the tools su