The utility model provides a tank gun bore rifle fixed equipment, including fixation nut, the activity lead screw, flexible urceolus, the locating pin, flexible inner tube, the concave type body, the battery, infrared lamp, lamp shade and switch, concave type body terminal surface is down fixed at flexible inner tube up end, fixation nut sets up at concave type sinistron side arm up end, the assembly of activity lead screw is in fixation nut, the locating pin assembly is in flexible urceolus surface upper end, the non -retractable problem of original bore rifle fixed equipment has been solved in this design, make the operation personnel can adjust the height of bore rifle according to self height, the lamp shade assembly is at flexible urceolus surface, the infrared lamp assembly is inside the lamp shade, the switch is connected with the battery through the wire, infrared lamp is connected with the switch through the wire, the problem that degree of aiming that operation personnel lead to descends has been solved because of fatigue in this design, the ability of operation personnel self -protections has been strengthened, the utility model discloses convenient to use, the operation of being convenient for, the flexibility is good, and mobility is strong, degree of aiming height.