US3007675A - Adjusting device for water turbine guide apparatus - Google Patents

Adjusting device for water turbine guide apparatus Download PDF

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Publication number
US3007675A
US3007675A US845762A US84576259A US3007675A US 3007675 A US3007675 A US 3007675A US 845762 A US845762 A US 845762A US 84576259 A US84576259 A US 84576259A US 3007675 A US3007675 A US 3007675A
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US
United States
Prior art keywords
vane
link
guide apparatus
servomotor
guide
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.)
Expired - Lifetime
Application number
US845762A
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English (en)
Inventor
Suss Arnold
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.)
Sulzer Escher Wyss AG
Original Assignee
Escher Wyss AG
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 Escher Wyss AG filed Critical Escher Wyss AG
Application granted granted Critical
Publication of US3007675A publication Critical patent/US3007675A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/16—Stators
    • F03B3/18—Stator blades; Guide conduits or vanes, e.g. adjustable
    • F03B3/183—Adjustable vanes, e.g. wicket gates
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2931—Diverse fluid containing pressure systems
    • Y10T137/3003—Fluid separating traps or vents
    • Y10T137/3021—Discriminating outlet for liquid
    • Y10T137/3028—With non-discriminating gas vent or liquid discharge
    • Y10T137/3031—Abnormal pressure responsive liquid blow-off or drain
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2931—Diverse fluid containing pressure systems
    • Y10T137/3115—Gas pressure storage over or displacement of liquid
    • Y10T137/3127—With gas maintenance or application
    • Y10T137/314—Unitary mounting for gas pressure inlet and liquid outlet

Definitions

  • This invention now relates to the adjusting device for the servomotor-operated guide apparatus of a water turbine and the aforesaid simplification is made possible ac cording to the invention by the fact that the adjusting linkage between the servomotor and the guide vanes has a toggle lever mechanism which, in the closed position of the guide apparatus, attains at least the dead-centre position, so that the guide apparatus remains in its closed position when the servomotor is without pressure.
  • FIGURE 1 shows an adjusting device with a central regulating ring operating the guide apparatus.
  • FIGURE 2 shows another constructional form of an adjusting device with regulating ring
  • FIGURE 3 shows an adjusting device, in which each vane of the guide apparatus is adjusted by a separate servomotor.
  • FIGURE 1 shows two adjustable vanes 1 of the guide apparatus of a water turbine, which is intended to feed a whirling body of water to the turbine runner (not shown).
  • each guide vane bears against the adjacent guide vane in the vicinity of its trailing edge 2.
  • the guide apparatus is operated by a pressure-fluid actuated servomotor with cylinder 3 and piston 4.
  • the pressure fluid supply lines are indicated at 5 and 6.
  • the movement of the piston 4 is transmitted by a piston rod 7 and a connecting rod 8 to a regulating ring 9 mounted coaxially with the turbine.
  • this regulating ring is provided with a projection 10, to which is pivoted one end of a link 11.
  • the other end of the link is pivoted to a lever 12 for operating the guide vane.
  • the vane has a pivot 13 to which said lever 12 is rigidly connected.
  • 14 and 15 are hinge points between regulating ring projection 10 and link 11, and between link 11 and lever 12, respectively.
  • the parts 7, 8, 9, 10, 11, 12, 13 form the adjusting linkage between the servomotor 3, 4 and the guide vanes 1.
  • the piston 4 of the servomotor In the open position of the guide apparatus, the piston 4 of the servomotor is in a position 4', the link 11 in a position 11, the lever 12 in a position 12', and the pivots 14, are in positions 14 and 15', respectively.
  • pressure medium is admitted through the supply line 6 to the cylinder 3 of the servomotor.
  • the piston 4 then moves from its end position 4 to the left, until due to the rotation of the ring 9 on its axis, the hinge points 14 has passed from its position 14' to a position 14", in which the hinge point 15 assumes the position shown and the vane 1 is in the closed position. Due to the vane 1 bearing on the adjacent vane, the vane can no longer rotate beyond this position.
  • the parts 10, 11 of the adjusting linkage between the regulating ring 9 operating the guide apparatus and the guide vane 1 form a toggle lever mechanism.
  • Each of the other guide vanes of the guide apparatus has a corresponding toggle lever mechanism associated with it.
  • the link 11 In the dead centre position 14", 15" of the hinges 14, 15, the link 11 is in a radial direction with reference to the axis of the regulating ring.
  • Water pressure, acting on the vanes 1 develops vane restoring forces which tend to move each vane in a counterclockwise direction about its pivot 13 to an open position.
  • these forces are transmitted to ring 9 through links 11, and since these links are now in radial positions with respect to the ring, the forces do not exert any torque on the ring.
  • the guide apparatus thus remains in its closed position even when the servomotor is without pressure.
  • the vanes of the guide apparatus of the water turbine are operated by a servomotor with cylinder 17 and piston 18 via a regulating ring 19 mounted coaxially with the guide apparatus.
  • the adjusting linkage consists of a piston rod 20 rigidly connected to the piston 18, a link 21, a radius link 22, a link 23, a further link 24 and a lever 25, 26, 27, 28, 29, and 30 denote hinge points and 31 is a fixed pivot, to which the radius link 23 is pivoted.
  • the link 21 is connected at the hinge point 26 to the piston rod 20 and at the hinge point 27 to the outer end of the radius link 22 and one end of the link 23.
  • the link 23 is connected at the hinge point 28 to a projection 32 of the regulating ring 19.
  • the guide vane 16 has a pivot 33 on which is mounted the lever 25.
  • the link 24 connects at the hinge points 29 and 30 a projection 34 of the regulating ring 19 to the outer end of lever 25.
  • the guide vane 16 is shown in its closed position.
  • the hinge points 26, 27, 28, 2%, 30 are in the positions denoted by 26', 27', 28', 29, 30', and the piston 18 is in its rear end position shown at 18'.
  • a closing movement of the guide apparatus is initiated and the radial link 22 and the link 23 approach the extended position, that is to say, the position in which the hinge point 27 lies on the straight line connecting the hinge point 28 and the fixed pivot 31.
  • the closure position of the vane 16 is reached.
  • the piston 18 has reached the front end position shown, the
  • hinge point 27 will be forced beyond the straight line connecting the points 28 and 31, so that restoring forces originating from the guide apparatus will no longer be able! to move the piston 18 from its end position and open the guide vanes, even when the servomotor 17, 18 is without pressure.
  • the parts 22, 23 of the adjusting linkage between the servomotor 17, 18 and the regulating ring 19 operating the guide vanes here form a toggle lever mechanism, the extended position of these parts representing its dead centre position.
  • each guide vane has a separate servomotor associated with it. Only a single guide vane 35 with vane pivot 36 is shown. It is operated by a servomotor with cylinder 37 and piston 38.
  • the adjusting linkage is formed by a piston rod 39, rigidly connected to the piston 38, a link 40, a radius link 42 turning on a fixed pivot 41, a link 43 and a lever 44 mounted on the pivot 36 of the vane 35.
  • the link 42 is connected at a hinge point 45 to the connecting rod 39 and at a hinge point 46 to the radius link 42, and one end of the link 43.
  • the other end of the link 43 is connected at a hinge point 47 to the lever 44.
  • the hinges 45, 46, 47 assume the positions denoted by 45, 46, 47.
  • the radius link 42 and the link 43 form a toggle lever mechanism.
  • hinge point 46 reaches the straight line connecting the hinge 47 and the fixed pivot 41.
  • the hinge point 46 passes the said connecting line. Restoring forces originating from the vane and counteracting the closure movement are in this case also unable to cause a displacement of the piston 38 from its end position, even when the servomotor 37, 38 is without pressure, so that the guide vane remains closed.
  • a water turbine having a guide apparatus including adjustable vanes, each vane being movable between closed and open positions and being urged toward the latter position by vane restoring forces developed by the water pressure acting on it; at least one fluid pressure actuated servomotor; and an adjusting linkage operatively connecting the servomotor with the vanes to move them between the closed and open positions, the adjusting linkage including at least one toggle lever mechanism arranged so that it reaches at least its dead centre position as the vanes reach closed position, whereby the toggle lever mechanism prevents the vane restoring forces from moving the vanes.
  • the adjusting linkage includes a regulating ring that is 0peratively connected with the servomotor; and in which there are a plurality of toggle lever mechanisms, one of said mechanisms forming an operative connection between the regulating ring and each vane.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydraulic Turbines (AREA)
  • Control Of Water Turbines (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
US845762A 1958-10-16 1959-10-12 Adjusting device for water turbine guide apparatus Expired - Lifetime US3007675A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH6507858 1958-10-16

Publications (1)

Publication Number Publication Date
US3007675A true US3007675A (en) 1961-11-07

Family

ID=4526095

Family Applications (1)

Application Number Title Priority Date Filing Date
US845762A Expired - Lifetime US3007675A (en) 1958-10-16 1959-10-12 Adjusting device for water turbine guide apparatus

Country Status (5)

Country Link
US (1) US3007675A (de)
CH (1) CH362380A (de)
DE (1) DE1055467B (de)
FR (1) FR1237557A (de)
GB (1) GB927623A (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3227176A (en) * 1962-12-31 1966-01-04 Gen Electric Windmill control system for multiengined aircraft
US3345823A (en) * 1963-03-29 1967-10-10 Titovi Zavodi Litostroj Sluice gate
US3368493A (en) * 1965-01-25 1968-02-13 Hitachi Ltd Guide vane arrangement
US4389158A (en) * 1980-06-06 1983-06-21 Nissan Motor Co., Ltd. Turbo compressor having a surge suppressing arrangement
US4419047A (en) * 1979-09-01 1983-12-06 Voith Gmbh Method of operation of a pump-turbine between part-load operation and reverse pumping operation
US4492520A (en) * 1982-05-10 1985-01-08 Marchand William C Multi-stage vane stator for radial inflow turbine
US20180313320A1 (en) * 2017-04-20 2018-11-01 Kabushiki Kaisha Toshiba Guide vane appartus for water turbine and water turbine equipped with the same

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3030079A1 (de) * 1980-08-08 1982-03-11 Kraftwerk Union AG, 4330 Mülheim Rueckschlagklappen-anordnung im ansaugkanal eines geblaeses
JPS59105973A (ja) * 1982-12-10 1984-06-19 Hitachi Ltd 水力機械の案内羽根操作装置
FR2619600B1 (fr) * 1987-08-18 1990-01-19 Neyrpic Dispositif de commande et de synchronisation des directrices d'un distributeur de machines hydrauliques, notamment de turbines
CN104454292B (zh) * 2014-11-27 2017-10-20 天津市天发重型水电设备制造有限公司 一种新型水轮机导叶控制环锁定装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH163093A (de) * 1932-02-04 1933-07-31 Escher Wyss Maschf Ag Leitschaufelverstellvorrichtung an Kreiselmaschinen, insbesondere an Wasserturbinen.
US1986915A (en) * 1933-03-28 1935-01-08 James Leffel And Company Hydraulic turbine
DE712890C (de) * 1939-09-30 1941-10-27 Arno Fischer Turbinen- oder Pumpenaggregat
US2344594A (en) * 1942-01-23 1944-03-21 Crane Co Motor operated toggle valve
US2365927A (en) * 1943-05-31 1944-12-26 Manning Maxwell & Moore Inc Valve device
US2436372A (en) * 1944-06-10 1948-02-24 Woodward Governor Co Turbine gate latch mechanism
US2532850A (en) * 1948-08-24 1950-12-05 May Otto Hermann Self-breaking toggle
US2587746A (en) * 1948-08-24 1952-03-04 May Otto Hermann Toggle press linkage

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE335941C (de) * 1920-10-05 1921-04-20 Fried Carl Wempe Selbsttaetige Bremse fuer Wasserturbinen

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH163093A (de) * 1932-02-04 1933-07-31 Escher Wyss Maschf Ag Leitschaufelverstellvorrichtung an Kreiselmaschinen, insbesondere an Wasserturbinen.
US1986915A (en) * 1933-03-28 1935-01-08 James Leffel And Company Hydraulic turbine
DE712890C (de) * 1939-09-30 1941-10-27 Arno Fischer Turbinen- oder Pumpenaggregat
US2344594A (en) * 1942-01-23 1944-03-21 Crane Co Motor operated toggle valve
US2365927A (en) * 1943-05-31 1944-12-26 Manning Maxwell & Moore Inc Valve device
US2436372A (en) * 1944-06-10 1948-02-24 Woodward Governor Co Turbine gate latch mechanism
US2532850A (en) * 1948-08-24 1950-12-05 May Otto Hermann Self-breaking toggle
US2587746A (en) * 1948-08-24 1952-03-04 May Otto Hermann Toggle press linkage

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3227176A (en) * 1962-12-31 1966-01-04 Gen Electric Windmill control system for multiengined aircraft
US3345823A (en) * 1963-03-29 1967-10-10 Titovi Zavodi Litostroj Sluice gate
US3368493A (en) * 1965-01-25 1968-02-13 Hitachi Ltd Guide vane arrangement
US4419047A (en) * 1979-09-01 1983-12-06 Voith Gmbh Method of operation of a pump-turbine between part-load operation and reverse pumping operation
US4389158A (en) * 1980-06-06 1983-06-21 Nissan Motor Co., Ltd. Turbo compressor having a surge suppressing arrangement
US4492520A (en) * 1982-05-10 1985-01-08 Marchand William C Multi-stage vane stator for radial inflow turbine
US20180313320A1 (en) * 2017-04-20 2018-11-01 Kabushiki Kaisha Toshiba Guide vane appartus for water turbine and water turbine equipped with the same
US10900462B2 (en) * 2017-04-20 2021-01-26 Kabushiki Kaisha Toshiba Guide vane apparatus for water turbine and water turbine equipped with the same

Also Published As

Publication number Publication date
FR1237557A (fr) 1960-07-29
DE1055467B (de) 1959-04-16
GB927623A (en) 1963-05-29
CH362380A (de) 1962-05-31

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