A tool that is used for trompil on the pipeline

The utility model belongs to the technical field of the nuclear power station overhauls. Very easily harm operating personnel's problem when solving on the special flow siphuncle is said the trompil, the utility model provides a tool that is used for trompil on the pipeline, the instrument include top tube card, lower pipe strap, trompil pipe, drain pipe and drill bit, the clamping face of going up pipe strap and lower pipe strap is the arc concave surface, go up pipe strap and lower pipe strap swing joint, go up the middle part of pipe strap is provided with the connecting hole, said go up the pipe strap with said trompil pipe connection, just said trompil pipe connection, just said connecting hole with said trompil pipe intercommunication, be provided with the ball valve on the said trompil pipe, the diameter of the spheroidal through-hole of the ball valve with the diameter of drill bit equals, said drain pipe with said trompil pipe connection, said drain pipe with the joint of trompil pipe is located between ball valve and the last pipe strap, just on the drain pipe is provided with the drainage valve. The utility model discloses a tool that is used for trompil on the pipeline has improved the security of pipeline tapping operation.