Pipe fitting butting lifting device

The utility model discloses a pipe fitting butting lifting device which comprises a lathedog I, a connecting frame I, a lathedog II, a hydrocylinder I, a connecting frame II, a hydrocylinder II, a connecting rod and a ball valve, wherein the lathedog I is fixedly connected onto the connecting frame II; the lathedog II is fixedly connected onto the connecting frame I; the connecting frame I, the connecting frame II, the hydrocylinder II and the connecting rod form a four-bar mechanism jointly; one end of the hydrocylinder I is hinged with the connecting frame I; the other end of the hydrocylinder I is fixedly connected onto a connecting plate; the connecting plate is fixedly connected onto a pipe II; and the three-way ball valve is fixedly connected onto the connecting frame I and is respectively communicated with an oil supply system, the hydrocylinder I and the hydrocylinder II through hydraumatic rubber pipes. In the utility model, the three-way ball valve is operated to control the connecting frame I, the