초록 ▼

A quick actuating closure for a pressure vessel 80 in which a wedge ring 30 with a conical outer surface 31 is moved forward to force shear blocks 40, with conical inner surfaces 41, radially outward to lock an end closure plug 70 within an opening 81 in the pressure vessel 80. A seal ring 60 and a

A quick actuating closure for a pressure vessel 80 in which a wedge ring 30 with a conical outer surface 31 is moved forward to force shear blocks 40, with conical inner surfaces 41, radially outward to lock an end closure plug 70 within an opening 81 in the pressure vessel 80. A seal ring 60 and a preload ramp 50 sit between the shear blocks 40 and the end closure plug 70 to provide a backup sealing capability. Conical surfaces 44 and 55 of the preload ramp 50 and the shear blocks 40 interact to force the seal ring 60 into shoulders 73 and 85 in the end closure plug 70 and opening 81 to form a tight seal. The end closure plug 70 is unlocked by moving the wedge ring 30 rearward, which causes “T”-bars 32 of the wedge ring 30 riding within “T” -slots 42 of the shear blocks 40 to force them radially inward. The end closure plug 70 is then removed, allowing access to the interior of the pressure vessel 80.

대표청구항 ▼

A quick actuating closure for a pressure-sustaining vessel comprising: a wedge ring vertically supported and horizontally slidable, having a conical outer surface; means to move said wedge ring forward and rearward; a plurality of shear blocks sized to fit together around said wedge ring, with conic

A quick actuating closure for a pressure-sustaining vessel comprising: a wedge ring vertically supported and horizontally slidable, having a conical outer surface; means to move said wedge ring forward and rearward; a plurality of shear blocks sized to fit together around said wedge ring, with conical inner surfaces, annularly grooved outer surfaces, and means attached to limit rearward movement; said conical outer surface of said wedge ring and said conical inner surfaces of said shear blocks slidably communicating, with protruding and receiving means between said surfaces to both restrict rotational movement and to cause radially inward movement of said shear blocks from a rearward movement of said wedge ring; an opening in said pressure-sustaining vessel with an axial wall having annuar flanges protruding therefrom, sized to fit within said annularly grooved outer surfaces of said shear blocks; and an end closure plug sized to fit within said opening with means to seal said opening, and means to transmit rearward pressure to said shear blocks; whereby forward movement of said wedge ring forces said shear blocks radially outward until said annularly grooved outer surfaces of said shear blocks contact said annular flanges of said opening, forming a locked position, securing said end closure plug within said opening when a positive pressure exists within said pressure-sustaining vessel; and whereby rearward movement of said wedge ring and the interaction between said protruding means and said receiving means forces said shear blocks radially inward until said annularly grooved outer surfaces of said shear blocks clear said axial wall of said opening, forming an unlocked position, allowing said end closure plug to be removed from said opening.