The utility model discloses a high temperature environment electric
actuator combination structure, electric
actuator body is installed in the water tank, and the water tank has the water inlet and the drain, and the water tank outside is wrapped heat -
insulation layer, and the water tank has circulating water for
cooling down, and the heat -
insulation layer adopts three or multilayer
composite structure, including inner layer equipment
contact layer temperature -resistant fabric, middle interlayer heat -insulation material, outer layer fire -resistant temperature -resistant
coating material, and the inner layer and middle interlayer are pasted together, and the outer layer is coated on the middle interlayer, and the inner layer adopts high -temperature -resistant high -strength sewing thread and is sewn into the bag body, and the bag body is consistent with the water tank shape and is thus sleeved on the water tank outside. Advantageous effects are, through set up heat -
insulation layer, can play the heat exchange of blocking electric
actuator and external high temperature environment, and the
cooling effect of circulating water is timely heat dissipation and cooling for electric actuator, prevents electric actuator temperature excessively high influence work, and further enhanced the stability of electric actuator work under high temperature environment.