Tube lock drill tool
AssigneeWestinghouse Electric Corp.
InventorDavid C. Burns
Life of this patent
Estimating the term…
Abstract
A tube lock drill for remotely performing operations on equipment including a positioning mechanism disposed in the equipment for selectively positioning the tool with respect to the equipment with the tool comprising a locking mechanism associated with the positioning mechanism for securing the tool in proper relationship to the equipment, a cutting mechanism disposed on a locking mechanism for performing cutting operations on the equipment, and a lifting mechanism attached to the positioning mechanism and attached to the cutting mechanism for lifting the cutting mechanism into contact with the equipment. The tube lock drill tool is capable of being arranged in a plenum of a nuclear steam generator so that remote operations may be performed on the tube sheet and heat exchange tubes in the nuclear steam generator.
Claims7
A tube lock drill tool for remotely performing operations on equipment including positioning means disposed in said equipment for selectively positioning a tool with respect to said equipment for performing operations on said equipment, said tool comprising:
- locking means associated with said positioning means for securing said tool in proper relationship to said equipment;
- cutting means disposed on said locking means for performing cutting operations on said equipment;
- a support member attached to said positioning means;
- a rotatable pin disposed within said support member;
- a first arm attached at one end to said pin and at the other end to said cutting means;
- and
- rotating means disposed on said positioning means and connected to said pin for selectively rotating said pin thereby causing said cutting means to be selectively advanced toward said equipment.
Dependencies are inferred from the claim text.