Installation tool for protection cover of caliper log instrument silicone grease bin

The utility model relates to a caliper log instrument for oil fields, in particular to an installation tool for a protection cover of a caliper log instrument silicone grease bin. A tool shell of the device is composed of two semi-ring bodies. One end of one semi-ring body is connected with one end of the other semi-ring body through a fixing point positioning pin, and the other end of one semi-ring body and the other end of the other semi-ring body are connected to a main force exerting connection rod through a fulcrum positioning pin. The length of the main force exerting connection rod can be adjusted. A plurality of adjusting screws are installed on the tool shell. The protection cover of the silicone grease bin can be conveniently and quickly installed through the installation tool, screw holes of the protection cover can be found accurately, time and labor are saved, the maintaining time is greatly shortened, the maintaining cost is reduced, and the wounding accidents caused when the protection cover is installed are avoided. The defects that at present, the protection cover of the silicone grease bin is installed through beating of a hammer, time and labor are wasted, and operation is not convenient or safe are overcome.