ES2086772T3 - Grua de carga. - Google Patents

Grua de carga.

Info

Publication number
ES2086772T3
ES2086772T3 ES92922106T ES92922106T ES2086772T3 ES 2086772 T3 ES2086772 T3 ES 2086772T3 ES 92922106 T ES92922106 T ES 92922106T ES 92922106 T ES92922106 T ES 92922106T ES 2086772 T3 ES2086772 T3 ES 2086772T3
Authority
ES
Spain
Prior art keywords
arm
pct
extended
sec
valve
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
ES92922106T
Other languages
English (en)
Inventor
Franz Sieberer
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.)
Palfinger AG
Original Assignee
Palfinger 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 Palfinger AG filed Critical Palfinger AG
Application granted granted Critical
Publication of ES2086772T3 publication Critical patent/ES2086772T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/54—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with pneumatic or hydraulic motors, e.g. for actuating jib-cranes on tractors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/64—Jibs
    • B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
    • B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/20—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members
    • F15B11/205—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members the position of the actuator controlling the fluid flow to the subsequent actuator

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Jib Cranes (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

SE DESCRIBE UNA GRUA DE CARGA MONTADA SOBRE UN VEHICULO PESADO CON UN AGUILON, EL CUAL CONSISTE EN VARIOS BRAZOS (11,12,13,14) DISPUESTOS EN FORMA TELESCOPICA, EN EL QUE ENTRE LOS BRAZOS CONSECUTIVOS SE HA DISPUESTO RESPECTIVAMENTE UNA UNIDAD HIDRAULICA (16,17,18,19) COMPUESTA DE EMBOLO Y CILINDRO, Y QUE AL EXTENDERSE UN BRAZO, UN TOPE DISPUESTO EN EL BRAZO PRECEDENTE, ACTIVA UNA VALVULA DESPLAZADA CON EL BRAZO EXTENDIDO, LA CUAL LIBERA LA ENTRADA DEL FLUIDO HIDRAULICO PARA EL BRAZO QUE PRECEDE AL BRAZO EXTENDIDO. ESTA VALVULA ESTA DISPUESTA EN EL EXTREMO CERRADO DEL CILINDRO HIDRAULICO DEL BRAZO QUE PRECEDE AL BRAZO EXTENDIDO.
ES92922106T 1991-10-21 1992-10-21 Grua de carga. Expired - Lifetime ES2086772T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0209191A AT401510B (de) 1991-10-21 1991-10-21 Ladekran

Publications (1)

Publication Number Publication Date
ES2086772T3 true ES2086772T3 (es) 1996-07-01

Family

ID=3527561

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92922106T Expired - Lifetime ES2086772T3 (es) 1991-10-21 1992-10-21 Grua de carga.

Country Status (7)

Country Link
US (1) US5518129A (es)
EP (1) EP0562096B1 (es)
JP (1) JPH06503546A (es)
AT (2) AT401510B (es)
DE (1) DE59205304D1 (es)
ES (1) ES2086772T3 (es)
WO (1) WO1993008116A1 (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0743275A2 (de) 1995-05-15 1996-11-20 ATLAS WEYHAUSEN GmbH Verfahren zum Steuern eines Mehrfach-Teleskopauslegers sowie Steuereinrichtung zur Durchführung des Verfahrens
EP0749935A1 (de) 1995-06-23 1996-12-27 ATLAS WEYHAUSEN GmbH Verfahren zum Steuern eines Mehrfach-Teleskopauslegers sowie Steuereinrichtung zur Durchführung des Verfahrens
US6267200B1 (en) 1998-11-02 2001-07-31 Grove U.S. Llc Lift apparatus with floating lift cylinder attachment
ES2194560B1 (es) 2000-07-11 2005-03-01 Partek Cargotec, S.A. Cilindro hidraulico para brazos telescopicos.
ITTO20010586A1 (it) * 2001-06-18 2002-12-18 Fassi Gru Idrauliche S P A Dispositivo perfezionato di sfilamento e rientro sequenziali di sezioni di bracci telescopici di gru idrauliche.
DE202005012049U1 (de) * 2005-08-01 2006-12-14 Liebherr-Werk Ehingen Gmbh Teleskopierbarer Schiebeholm
DE102005052116B4 (de) * 2005-11-02 2017-10-26 Linde Material Handling Gmbh Einrichtung zur Sicherung der Bewegungsreihenfolge von mindestens zwei fluidbetätigten Verdrängereinheiten
ITVR20070004U1 (it) * 2007-01-19 2008-07-20 Patrizia Baruffaldi Macchina operatrice
DE102008013765A1 (de) * 2008-03-12 2009-09-17 Linde Material Handling Gmbh Einrichtung zur Sicherung der Bewegungsreihenfolge von zumindest zwei fluidbetätigten Verdrängereinheiten
US9004842B2 (en) 2011-10-10 2015-04-14 Wastequip, Llc Hoist apparatus
JP6348453B2 (ja) * 2015-05-27 2018-06-27 住友重機械建機クレーン株式会社 クレーン
BR112019007339B1 (pt) 2016-10-14 2024-02-20 Palfinger Ag Processo para determinação de uma carga levantada e mecanismo de levantamento hidráulico

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1781409A1 (de) * 1968-03-28 1972-01-20 Demag Baumaschinen Gmbh Hydraulisch betriebene Verstellvorrichtung eines Teleskopauslegers
DE1756055A1 (de) * 1968-03-28 1970-04-30 Demag Bagger & Kran Gmbh Hydraulisch betriebene Verstellvorrichtung eines Teleskopauslegers
US3841494A (en) * 1968-12-04 1974-10-15 Fmc Corp Sequenced crane boom
US3658189A (en) * 1970-01-06 1972-04-25 American Hoist & Derrick Co Hydraulic extensible boom structure
US3809248A (en) * 1970-02-13 1974-05-07 Tadano Tekkosho Kk Boom extension means
US3657969A (en) * 1970-07-10 1972-04-25 Case Co J I Hydraulic control system for extensible crane
JPS5512006Y2 (es) * 1972-03-02 1980-03-15
SE396801C (sv) * 1976-02-03 1986-06-09 Hiab Foco Ab Dubbelverkande hydraulcylinder med tva koncentriska mantlar
DE2648608C3 (de) * 1976-10-27 1979-11-29 Walter Hunger Kg, 8770 Lohr Steuereinrichtung für einen Differentialzylinder
US4125974A (en) * 1977-07-08 1978-11-21 Harnischfeger Corporation Control system for telescopic boom
US4433515A (en) * 1981-11-04 1984-02-28 Kidde, Inc. Remotely operable latch and locking pin for a multi-section boom including a manual fly section
DE3413443A1 (de) * 1984-04-10 1985-10-17 Walter Hunger KG Hydraulikzylinderwerk, 8770 Lohr Dreistufiger teleskopausleger

Also Published As

Publication number Publication date
ATE133921T1 (de) 1996-02-15
EP0562096B1 (de) 1996-02-07
DE59205304D1 (de) 1996-03-21
WO1993008116A1 (de) 1993-04-29
US5518129A (en) 1996-05-21
AT401510B (de) 1996-09-25
EP0562096A1 (en) 1993-09-29
ATA209191A (de) 1996-02-15
JPH06503546A (ja) 1994-04-21

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