HYDRAULIC TORQUE WRENCH Russian patent published in 1997 - IPC

Abstract RU 2091205 C1

FIELD: mechanical engineering. SUBSTANCE: two plungers 6, 7 and bushing 4 are installed coaxially in cylindrical space 2 of housing 1 of hydraulic torque wrench. Nut head 10 with stop 9 for engagement with one of plungers 6, 7 is hinge connected with housing 1. Adjusting screw 11 is installed in space 2 of housing 1 for engagement with stop 9. Screw It is designed for adjusting measuring instrument 5. With threaded joint being tightened, effort from handle 12 is transmitted from stop 9 to plunger 6 which acts onto working fluid 3. Change of fluid pressure is recorded by instrument 5. EFFECT: enlarged operating capabilities. 2 cl, 3 dwg

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RU 2 091 205 C1

Authors

Chasovskikh A.I.

Bondar' A.V.

Grachev A.F.

Dates

1997-09-27—Published

1994-08-16—Filed