ES2116062T3 - Dispositivo electrohidraulico de elevacion para vehiculos automoviles. - Google Patents

Dispositivo electrohidraulico de elevacion para vehiculos automoviles.

Info

Publication number
ES2116062T3
ES2116062T3 ES95900255T ES95900255T ES2116062T3 ES 2116062 T3 ES2116062 T3 ES 2116062T3 ES 95900255 T ES95900255 T ES 95900255T ES 95900255 T ES95900255 T ES 95900255T ES 2116062 T3 ES2116062 T3 ES 2116062T3
Authority
ES
Spain
Prior art keywords
hydraulic
cylinder
liquid
main cylinder
electro
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
ES95900255T
Other languages
English (en)
Inventor
Fausto Manganelli
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.)
Ravaglioli SpA
Original Assignee
Ravaglioli SpA
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 Ravaglioli SpA filed Critical Ravaglioli SpA
Application granted granted Critical
Publication of ES2116062T3 publication Critical patent/ES2116062T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
    • B66F7/08—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
    • B66F7/065—Scissor linkages, i.e. X-configuration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
    • B66F7/16—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
    • B66F7/20—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks by several jacks with means for maintaining the platforms horizontal during movement
    • 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
    • F15B11/22—Synchronisation of the movement of two or more servomotors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

EL DISPOSITIVO DE ELEVACION ELECTROHIDRAULICO PARA VEHICULOS DE MOTOR INCLUYE UN PAR DE PLATAFORMAS DE SOPORTE (1), RESPECTIVAMENTE UNA PRIMERA PLATAFORMA DE SOPORTE Y UNA SEGUNDA PLATAFORMA DE SOPORTE, QUE SON HORIZONTALES Y PARALELAS ENTRE SI, Y MONTADAS EN VARILLAS DE TENSION CORRESPONDIENTES (2) RESPECTIVAMENTE ACCIONADAS POR UN CILINDRO PRINCIPAL (P1) Y POR UN CILINDRO SECUNDARIO (P2) ALIMENTADO POR EL MISMO CILINDRO PRINCIPAL (P1), BAJO EL CONTROL DE UNA UNIDAD DE CONTROL HIDRAULICA (16). LA UNIDAD DE CONTROL HIDRAULICA (16) ESTA EQUIPADA CON UN DISPOSITIVO DE SINCRONIZACION (17) QUE INCLUYE UNA VALVULA DE SINCRONIZACION (18) DIRIGIDA A CONECTAR UN CONDUCTO DE MEDIO HIDRAULICO (20) SUMINISTRAR LIQUIDO HIDRAULICO AL MENCIONADO CILINDRO PRINCIPAL (P1), CON UN CONDUCTO DE RECICLADO (22) QUE LLEVA UN VOLUMEN ADECUADO DE LIQUIDO HIDRAULICO DESDE EL MISMO CILINDRO PRINCIPAL (P1) AL CILINDRO SECUNDARIO (P2), PARA COMPENSAR LA INSUFICIENCIA DEL SUMINISTRO DE LIQUIDO AL CILINDRO SECUNDARIO (P2), O ALTERNATIVAMENTE DIRIGIDA A DESVIAR UNA PARTE EXCEDENTE DEL LIQUIDO RECICLADO A UNA DESCARGA, RESPECTIVAMENTE AL COMIENZO Y CUANDO LAS PLATAFORMAS DE SOPORTE (1) SE ALINEAN AL NIVEL DEL SUELO.
ES95900255T 1993-10-22 1994-10-19 Dispositivo electrohidraulico de elevacion para vehiculos automoviles. Expired - Lifetime ES2116062T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT93BO000421A IT1264250B1 (it) 1993-10-22 1993-10-22 "dispositivo sollevatore elettroidraulico per autoveicoli"

Publications (1)

Publication Number Publication Date
ES2116062T3 true ES2116062T3 (es) 1998-07-01

Family

ID=11339278

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95900255T Expired - Lifetime ES2116062T3 (es) 1993-10-22 1994-10-19 Dispositivo electrohidraulico de elevacion para vehiculos automoviles.

Country Status (7)

Country Link
EP (1) EP0724542B1 (es)
AT (1) ATE166038T1 (es)
AU (1) AU8114694A (es)
DE (2) DE724542T1 (es)
ES (1) ES2116062T3 (es)
IT (1) IT1264250B1 (es)
WO (1) WO1995011190A1 (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVI980165A1 (it) * 1998-09-07 2000-03-07 Francesco Fiorese Circuito oleodinamico per l'azionamento di ponti di servizio per il sollevamento di veicoli
IT1302678B1 (it) * 1998-10-15 2000-09-29 Texo Srl Sistema volumetrico di azionamento per ponti sollevatori di veicoli.
SE517223C2 (sv) * 2000-09-20 2002-05-14 Morphic Technologies Ab Hydraulanordning för synkronisering av åtminstone två samverkande hydraulkolvar
CN1331725C (zh) * 2003-12-31 2007-08-15 深圳市汇银实业开发有限公司 装备四连杆扭力轴式同步器的摆动式举升器
CN103407933B (zh) * 2012-09-03 2017-05-31 希实本株式会社 具有同步功能的车辆升降装置
CN102992224A (zh) * 2012-12-01 2013-03-27 江苏华宏科技股份有限公司 多液压缸电液同步举升系统
CN110219841B (zh) * 2019-06-14 2020-04-24 中国矿业大学(北京) 瞬时卸荷的液压系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3476016A (en) * 1967-10-20 1969-11-04 Cascade Corp Apparatus for producing coordinated,simultaneous actuation of multiple rams
DE3439292A1 (de) * 1984-10-26 1986-05-07 Otto Nußbaum GmbH & Co KG, 7640 Kehl Hydraulisch betaetigte hubvorrichtung, insbesondere hebebuehne fuer kraftfahrzeuge
US5072649A (en) * 1991-01-07 1991-12-17 Laghi Aldo A Double actuator with bypass lines for synchronized movement
NL9200686A (nl) * 1992-04-13 1993-11-01 Stertil Bv Inrichting met gelijklopende hydraulische vijzels.

Also Published As

Publication number Publication date
DE724542T1 (de) 1997-04-03
ITBO930421A0 (it) 1993-10-22
DE69410283T2 (de) 1998-10-01
AU8114694A (en) 1995-05-08
WO1995011190A1 (en) 1995-04-27
IT1264250B1 (it) 1996-09-23
ATE166038T1 (de) 1998-05-15
EP0724542A1 (en) 1996-08-07
EP0724542B1 (en) 1998-05-13
DE69410283D1 (de) 1998-06-18
ITBO930421A1 (it) 1994-01-22

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