FR2329846A1 - Slow rotation system for heavy shafts - uses ratchet wheel displaced via levers by hydraulic jack, with spring return - Google Patents

Slow rotation system for heavy shafts - uses ratchet wheel displaced via levers by hydraulic jack, with spring return

Info

Publication number
FR2329846A1
FR2329846A1 FR7532899A FR7532899A FR2329846A1 FR 2329846 A1 FR2329846 A1 FR 2329846A1 FR 7532899 A FR7532899 A FR 7532899A FR 7532899 A FR7532899 A FR 7532899A FR 2329846 A1 FR2329846 A1 FR 2329846A1
Authority
FR
France
Prior art keywords
ratchet wheel
hydraulic jack
rotation system
spring return
slow rotation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7532899A
Other languages
French (fr)
Other versions
FR2329846B1 (en
Inventor
Gerard Belperin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EUROP TURB VAPEUR
Original Assignee
EUROP TURB VAPEUR
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by EUROP TURB VAPEUR filed Critical EUROP TURB VAPEUR
Priority to FR7532899A priority Critical patent/FR2329846A1/en
Publication of FR2329846A1 publication Critical patent/FR2329846A1/en
Application granted granted Critical
Publication of FR2329846B1 publication Critical patent/FR2329846B1/fr
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/34—Turning or inching gear

Abstract

The rotor or shaft is provided with a ratchet wheel (1). A pawl (4) is mounted on a pivot (5) at the end of a lever (7). The lever (7) is mounted on a pivot (8) and its other end is connected to a sliding block (13). The sliding block (13) is supported in bearings (15) (16) and attached by the rod (14) to the piston rod (18) of a hydraulic jack (19). When the jack (19) pushes the block (13) to the right the pawl (4) is pushed to the left and engages the teeth of the ratchet wheel imparting a counter-clockwise rotation. The spring (22) returns the block (13) to its original position so that the motion can be continuously repeated.
FR7532899A 1975-10-28 1975-10-28 Slow rotation system for heavy shafts - uses ratchet wheel displaced via levers by hydraulic jack, with spring return Granted FR2329846A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7532899A FR2329846A1 (en) 1975-10-28 1975-10-28 Slow rotation system for heavy shafts - uses ratchet wheel displaced via levers by hydraulic jack, with spring return

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7532899A FR2329846A1 (en) 1975-10-28 1975-10-28 Slow rotation system for heavy shafts - uses ratchet wheel displaced via levers by hydraulic jack, with spring return

Publications (2)

Publication Number Publication Date
FR2329846A1 true FR2329846A1 (en) 1977-05-27
FR2329846B1 FR2329846B1 (en) 1979-05-04

Family

ID=9161728

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7532899A Granted FR2329846A1 (en) 1975-10-28 1975-10-28 Slow rotation system for heavy shafts - uses ratchet wheel displaced via levers by hydraulic jack, with spring return

Country Status (1)

Country Link
FR (1) FR2329846A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010781A1 (en) * 1978-09-14 1980-05-14 BBC Aktiengesellschaft Brown, Boveri & Cie. Gear teeth for pawlwheel and a pawl of inching gear
EP0175337A1 (en) * 1984-09-19 1986-03-26 Alsthom Device for measuring the tangential force on a toothed rotor
EP2610443A1 (en) * 2011-12-29 2013-07-03 Alstom Technology Ltd Actuating Device for the Rotation of a Turbine Shaft Train
CN110486102A (en) * 2019-10-09 2019-11-22 莱芜钢铁集团有限公司 A kind of removable hand-barring and working method
CN112761744A (en) * 2021-01-26 2021-05-07 东方电气集团东方汽轮机有限公司 Independent manual barring gear and barring structure

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010781A1 (en) * 1978-09-14 1980-05-14 BBC Aktiengesellschaft Brown, Boveri & Cie. Gear teeth for pawlwheel and a pawl of inching gear
EP0175337A1 (en) * 1984-09-19 1986-03-26 Alsthom Device for measuring the tangential force on a toothed rotor
EP0175337B1 (en) * 1984-09-19 1989-01-04 Alsthom Device for measuring the tangential force on a toothed rotor
EP2610443A1 (en) * 2011-12-29 2013-07-03 Alstom Technology Ltd Actuating Device for the Rotation of a Turbine Shaft Train
FR2985285A1 (en) * 2011-12-29 2013-07-05 Alstom Technology Ltd DEVICE FOR ACTUATING ROTATION OF A TURBINE SHAFT LINE.
US9353839B2 (en) 2011-12-29 2016-05-31 Alstom Technology Ltd Actuating device for the rotation of a turbine shaft train
CN110486102A (en) * 2019-10-09 2019-11-22 莱芜钢铁集团有限公司 A kind of removable hand-barring and working method
CN112761744A (en) * 2021-01-26 2021-05-07 东方电气集团东方汽轮机有限公司 Independent manual barring gear and barring structure

Also Published As

Publication number Publication date
FR2329846B1 (en) 1979-05-04

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Legal Events

Date Code Title Description
ST Notification of lapse