Bolt hole interior cleaning device

The utility model discloses a bolt hole interior cleaning device, and relates to the field of bolt hole cleaning devices. Comprising a drill rod; one end of the drill rod is connected with a drilling machine, and the other end is connected with an adjusting telescopic assembly perpendicular to the drill rod; the end, away from the drill rod, of the adjusting telescopic assembly is connected with a cleaning piece. The drill rod is driven to rotate through the drilling machine, so that the telescopic adjusting assembly and the cleaning piece are driven to rotate, the interior of the bolt hole is cleaned, operation is easy and convenient, and cleaning efficiency is high. 本实用新型公开了一种螺栓孔内部清理装置，涉及螺栓孔的清理装置领域；包括钻杆；钻杆一端连接有钻机，钻杆另一端连接有与钻杆垂直的调节伸缩组件；所述调节伸缩组件远离钻杆的一端连接有清理件。本实用新型通过钻机驱动钻杆转动，从而带动调节伸缩组件及清理件转动，以此对螺栓孔内部进行清理，操作简便，清理效率高。