Pile casing for cast-in-situ bored pile

The utility model discloses a pile casing for a cast-in-situ bored pile, and belongs to the technical field of cast-in-situ bored piles, the pile casing comprises two pile casing bodies and a connecting piece, the connecting piece comprises a first connecting semi-ring and a second connecting semi-ring, and the first connecting semi-ring and the second connecting semi-ring abut against the peripheral surfaces of the two pile casing bodies in a surrounding mode; the first connecting semi-ring and the second connecting semi-ring are fixed through a fixing bolt. The device has the beneficial effects that a worker can conveniently connect the two pile casings, the working efficiency is improved, and then the better energy-saving and environment-friendly effects are achieved. 本申请公开了一种用于钻孔灌注桩的护筒，属于灌注桩的技术领域，其包括两护筒本体和连接件，所述连接件包括第一连接半环和第二连接半环，所述第一连接半环和第二连接半环围设抵紧于两护筒本体的外周面，所述第一连接半环和第二连接半环通过固定螺栓进行固定。本申请具有便于工作人员对两护筒进行连接，提高工作效率，进而达到更好的节能环保的效果。