HYDRAULIC JACK FOR PRESSING TRANSFORMER WINDINGS

HYDRAULIC JACK FOR PRESSING TRANSFORMER WINDINGS

FIELD: mechanical engineering. SUBSTANCE: hydraulic jack can be used in lifting, pushing, pulling, bending and compressing of heavy masses in repair, mounting, construction and other jobs and especially in pressing of industrial transformer windings. Hydraulic jack has working pistons 5 of jacks 1,...

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Hauptverfasser: BURJAKOV A.V, SHMYREV M.P, NIKULICHEV V.A
Format: Patent
Sprache:eng ; rus
Schlagworte:
HAULING
HOISTING
HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD
LIFTING
PERFORMING OPERATIONS
TRANSPORTING
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creator BURJAKOV A.V
SHMYREV M.P
NIKULICHEV V.A
description FIELD: mechanical engineering. SUBSTANCE: hydraulic jack can be used in lifting, pushing, pulling, bending and compressing of heavy masses in repair, mounting, construction and other jobs and especially in pressing of industrial transformer windings. Hydraulic jack has working pistons 5 of jacks 1, 2, 3, 4 installed in cylinders 6, reservoir 7 for working liquid 8 ands plunger pump 9 whose piston space 10 is connected with cylinders 6 by line 11. The latter has suction section 12 with check valve 15, pressure gauge 16 and manifold 17 for delivering working liquid 8 to cylinders 6 of pistons 5. Delivery section 14 is connected with reservoir 7 by channel 18 with shutoff needle 19. Working pistons 5 are made hollow, each accommodating central rod 26 secured in base of cylinder 6 on which spacer spring 27 is mounted. delivery section 14 of manifold 17 is furnished with additional shutoff needle 19. EFFECT: enlarged operating capabilities, increased capacity and enhanced convenience of maintenance owing to provision of self-return of pistons and enhanced sealing of hydraulic jack. 2 dwg
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SUBSTANCE: hydraulic jack can be used in lifting, pushing, pulling, bending and compressing of heavy masses in repair, mounting, construction and other jobs and especially in pressing of industrial transformer windings. Hydraulic jack has working pistons 5 of jacks 1, 2, 3, 4 installed in cylinders 6, reservoir 7 for working liquid 8 ands plunger pump 9 whose piston space 10 is connected with cylinders 6 by line 11. The latter has suction section 12 with check valve 15, pressure gauge 16 and manifold 17 for delivering working liquid 8 to cylinders 6 of pistons 5. Delivery section 14 is connected with reservoir 7 by channel 18 with shutoff needle 19. Working pistons 5 are made hollow, each accommodating central rod 26 secured in base of cylinder 6 on which spacer spring 27 is mounted. delivery section 14 of manifold 17 is furnished with additional shutoff needle 19. 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SUBSTANCE: hydraulic jack can be used in lifting, pushing, pulling, bending and compressing of heavy masses in repair, mounting, construction and other jobs and especially in pressing of industrial transformer windings. Hydraulic jack has working pistons 5 of jacks 1, 2, 3, 4 installed in cylinders 6, reservoir 7 for working liquid 8 ands plunger pump 9 whose piston space 10 is connected with cylinders 6 by line 11. The latter has suction section 12 with check valve 15, pressure gauge 16 and manifold 17 for delivering working liquid 8 to cylinders 6 of pistons 5. Delivery section 14 is connected with reservoir 7 by channel 18 with shutoff needle 19. Working pistons 5 are made hollow, each accommodating central rod 26 secured in base of cylinder 6 on which spacer spring 27 is mounted. delivery section 14 of manifold 17 is furnished with additional shutoff needle 19. 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subjects HAULING
HOISTING
HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD
LIFTING
PERFORMING OPERATIONS
TRANSPORTING
title HYDRAULIC JACK FOR PRESSING TRANSFORMER WINDINGS
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