Hollow bolt assembling and disassembling tool for oil delivery pipe of oil pump of special equipment

A hollow bolt assembling and disassembling tool for an oil delivery pipe of a special equipment oil pump comprises a handheld sleeve (1), the left end of the handheld sleeve (1) is connected with a hexagonal sleeve (2), the hexagonal sleeve (2) is hexagonal, a threaded hole (3) is formed in the middle of the handheld sleeve (1) in the left-right horizontal axis direction, and a threaded sleeve ejector rod (4) is screwed in the threaded hole (3) in a threaded connection mode. The left end of the threaded sleeve ejector rod (4) is located outside the threaded hole (3), an insertion hole (5) is formed in the left end of the threaded sleeve ejector rod (4) in the radial direction, and a blocking rod (6) is inserted into the insertion hole (5). The utility model aims to provide a rotary mounting device which can quickly and rotatably mount a hollow bolt of an oil delivery pipe into a mounting hole in an oil pump oil pipe joint without damaging related parts, so that the maintenance efficiency can be greatly improv