THE SAFETY DEVICE OF A WEDGE TYPE OIL-HYDRAULIC COUPLING

摘要

the The present invention is wedge- type hydraulic coupling for safe driving and carrying a wedge- type hydraulic couplings relates to a safety device , The present invention combines the tapered insertion tube (3) to the inner tapered hole (2) of the coupling body 1 and the outer is formed with the cylinder 10 , the coupling body (1) into the tapered through -hole (2) first oil inlet (6) and forming the cylinder 10 into the second oil inlet through 7, the tapered tube 3, the front end an oil seal (5) the cylinder piston nut (4) is provided with (10 ) in the wedge- type hydraulic couplings to be inserted in combination , the taper of the tube (3 ) coupled to the outer coupling ring body (1) in accordance with the tapered tube during transport and during operation with the piston nut (4) (3) there is a base that was equipped with a stopper (8) to secure the position . ;