Condensing lens mounting structure in railway annunciator for mining area

The utility model discloses a condensing lens mounting structure in a railway annunciator for a mining area. The device comprises a protection plate, a signal lamp, a first convex lens, a second convex lens and an automatic fixing block, the front surface of the signal lamp is provided with a rubber sealing ring through bolts. A fixed seat is mounted on one side of the interior of the signal lampthrough a connecting plate; a protective plane mirror is clamped in the fixed seat through a clamping groove; an installation clamping block is installed at the bottom of the signal lamp, a first convex lens is clamped on the inner side of the installation clamping block, a fixing rod is installed on one side of the top of the installation clamping block through a bolt, an automatic fixing block is installed on one side of the bottom of the installation clamping block, and a second convex lens is installed between the automatic fixing block and the fixing rod. According to the utility model, through the installation o