Preassembled support for ship equipment installation

The utility model discloses a preassembling support for installing ship equipment in the technical field of ship manufacturing, which comprises a base, four groups of hydraulic cylinders II are installed on the surface of the base to support the preassembling support, and two groups of supporting mechanisms are installed on the surfaces of the two sides of the preassembling support; each supporting mechanism comprises a first hydraulic cylinder connected to the surface of the preassembling support, a first piston rod is installed on each first hydraulic cylinder, and one end of each first piston rod penetrates through the preassembling support to be connected with a sliding platform. Meanwhile, the position of the supporting mechanism can be adjusted in the supporting process, so that the supporting point can be changed along with the installation progress of the ship equipment, and through the position adjustment of the supporting mechanism, when the supporting position and the installation machining positio