Provided is a double-headed bolt assembling and disassembling tool. A first
wrench is fixed at the
tail end of the tool, a locking rod is sleeved with a nut and fixed in a
feather edge outer sleeve through the nut, a second
wrench is fixed at the outer end of the side, near the first
wrench, of the
feather edge outer sleeve, and a pre-tightening nut is arranged in the other side of the
feather edge outer sleeve; the head end of the locking rod penetrates through the pre-tightening nut and is fixed in the pre-tightening nut through a straight pin, a spring is arranged in the feather edge outer sleeve, one end of the spring abuts against the nut, the other end of the spring abuts against the pre-tightening nut, a convex edge clamping nut is arranged on the pre-tightening nut, a hole check ring is arranged on the convex edge clamping nut, and the convex edge clamping nut and the hole check ring are arranged in the end of the feather edge outer sleeve. According to the double-headed bolt assembling and disassembling tool, the
assembly is convenient and reliable, the structure is simple, the disassembly is flexible, use is easy, the manufacturing cost is low, the labor intensity can be greatly reduced, the tool is suitable for operation in narrow and special space, parts can be replaced quickly, and double-headed bolts with different diameters can be acted.