ES2067295T3 - Dispositivo de control para carretillas elevadoras. - Google Patents

Dispositivo de control para carretillas elevadoras.

Info

Publication number
ES2067295T3
ES2067295T3 ES92300924T ES92300924T ES2067295T3 ES 2067295 T3 ES2067295 T3 ES 2067295T3 ES 92300924 T ES92300924 T ES 92300924T ES 92300924 T ES92300924 T ES 92300924T ES 2067295 T3 ES2067295 T3 ES 2067295T3
Authority
ES
Spain
Prior art keywords
control signal
control
control device
sub
opening degree
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
ES92300924T
Other languages
English (en)
Inventor
Kanji C O Sagamihara Mach Aoki
Yukio C O Sagamihara Uchiyama
Toshiyuki C O Mhi S Midorikawa
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.)
Mitsubishi Heavy Industries Ltd
MHI Sagami High Tech Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
MHI Sagami High Tech Ltd
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 Mitsubishi Heavy Industries Ltd, MHI Sagami High Tech Ltd filed Critical Mitsubishi Heavy Industries Ltd
Application granted granted Critical
Publication of ES2067295T3 publication Critical patent/ES2067295T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, 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
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075Constructional features or details
    • B66F9/20Means for actuating or controlling masts, platforms, or forks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, 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
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075Constructional features or details
    • B66F9/20Means for actuating or controlling masts, platforms, or forks
    • B66F9/24Electrical devices or systems
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8593Systems
    • Y10T137/86493Multi-way valve unit
    • Y10T137/86574Supply and exhaust
    • Y10T137/86622Motor-operated
    • Y10T137/8663Fluid motor
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/20Control lever and linkage systems
    • Y10T74/20396Hand operated

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

UN DISPOSITIVO DE CONTROL PARA UNA HORQUILLA ELEVADORA EN EL QUE UNA SEÑAL DE CONTROL (S SUB 2) SE ENVIA DESDE UN CONTROLADOR (9) DE ACUERDO CON UNA VARIACION MANIPULADA DE UN ELEVADOR DE MAQUINA DE TRABAJO (8A) OPERADO POR EL OPERADOR Y SU SEÑAL DE CONTROL DE AFLUENCIA REGULA EL GRADO DE ABERTURA DE UNA VALVULA ELECTROMAGNETICA DE CONTROL PROPORCIONAL (10) EN UN OLEODUCTO (15) PARA CONTROLAR LA VELOCIDAD DE TRABAJO DE LOS CILINDROS ELEVADORES (1, 7), EL GRADO DE ABERTURA DE LA VALVULA ELECTROMAGNETICA DE CONTROL PROPORCIONAL (10) SE REGULA POR UNA SEÑAL DE CONTROL DE AFLUENCIA (S SUB 2) CON UNA CARACTERISTICA TAL QUE EL VALOR DE LA SEÑAL DE CONTROL DE AFLUENCIA CAMBIA DE ACUERDO CON LA CARGA DE LOS CILINDROS ELEVADORES EN LA ZONA DE MOVIMIENTO LENTO DONDE LA VARIACION MANIPULADA DEL ELEVADOR DE LA MAQUINA DE TRABAJO ES RELATIVAMENTE PEQUEÑA, MEJORANDO ASI LA OPERABILIDAD DE LA ZONA DE MOVIMIENTO LENTO.
ES92300924T 1991-02-05 1992-02-04 Dispositivo de control para carretillas elevadoras. Expired - Lifetime ES2067295T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1041991U JPH0756314Y2 (ja) 1991-02-05 1991-02-05 フォークリフトの制御装置

Publications (1)

Publication Number Publication Date
ES2067295T3 true ES2067295T3 (es) 1995-03-16

Family

ID=31743441

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92300924T Expired - Lifetime ES2067295T3 (es) 1991-02-05 1992-02-04 Dispositivo de control para carretillas elevadoras.

Country Status (8)

Country Link
US (1) US5184699A (es)
EP (1) EP0498611B1 (es)
JP (1) JPH0756314Y2 (es)
KR (1) KR960010453B1 (es)
AU (1) AU649194B2 (es)
CA (1) CA2060347C (es)
DE (1) DE69200628T2 (es)
ES (1) ES2067295T3 (es)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2877257B2 (ja) * 1991-02-05 1999-03-31 三菱重工業株式会社 作業機械の制御装置
GB2276360B (en) * 1993-03-22 1996-07-24 Crown Gabelstapler Gmbh Electric forklift trucks
JPH0742705A (ja) * 1993-07-30 1995-02-10 Yutani Heavy Ind Ltd 作業機械の油圧装置
DE4431463C2 (de) * 1994-09-03 1997-10-16 Honeywell Ag Kompaktregler für ein Regelventil
EP0866027B1 (en) * 1997-03-21 2004-05-26 Kabushiki Kaisha Toyota Jidoshokki Hydraulic control apparatus for industrial vehicles
JP3159147B2 (ja) * 1997-11-13 2001-04-23 株式会社豊田自動織機製作所 産業車両の車体揺動制御装置及び産業車両
JPH11171494A (ja) * 1997-12-11 1999-06-29 Toyota Autom Loom Works Ltd 産業車両のシリンダ制御装置
USD427409S (en) * 1998-02-27 2000-06-27 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Forklift truck
DK0985629T3 (da) * 1998-09-08 2001-09-24 Palfinger Ag Kran
CA2282198C (en) 1998-10-07 2003-06-10 Cascade Corporation Adaptive load-clamping system
US6843636B2 (en) 1998-10-07 2005-01-18 Cascade Corporation Adaptive load-clamping system
US6431816B1 (en) * 1998-10-07 2002-08-13 Cascade Corporation Adaptive load-clamping system
JP2003292298A (ja) * 2002-04-03 2003-10-15 Toyota Industries Corp 産業車両
US20030235489A1 (en) * 2002-06-24 2003-12-25 Hoff William H. Load control system for tandem pallet truck
US7610977B2 (en) * 2004-09-23 2009-11-03 Crown Equipment Corporation Lift truck having hydraulically separate main frame and power unit assembly
CA2514362A1 (en) * 2005-08-02 2007-02-02 Brault & Martineau Inc. Platform for forklift
ITTO20050716A1 (it) * 2005-10-10 2007-04-11 Mariotti S R L V Carrello elevatore ad azionamento elettrico e procedimento per la sua produzione
WO2007059393A2 (en) * 2005-11-10 2007-05-24 Crown Equipment Corporation A materials handling vehicle with a manifold apparatus including a valve structure mounted on the mast assembly
AU2018202033B2 (en) 2017-03-23 2023-06-01 The Raymond Corporation Systems and methods for mast stabilization on a material handling vehicle
CN117602544B (zh) * 2024-01-22 2024-03-22 杭叉集团股份有限公司 一种多模式叉车门架下降装置及其控制方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3014344A (en) * 1958-06-27 1961-12-26 Lansing Bagnall Ltd Control-gear for hydraulic circuits
JPS5733261A (en) * 1980-08-06 1982-02-23 Hitachi Constr Mach Co Ltd Pressure controller for hydraulic circuit
GB2099184B (en) * 1981-03-31 1985-06-05 Toyoda Automatic Loom Works Forklift control system
JPS57187621A (en) * 1981-05-13 1982-11-18 Shozo Akazawa Forklift load measurement device
JPH0524720Y2 (es) * 1985-07-30 1993-06-23
JP2576216B2 (ja) * 1989-01-09 1997-01-29 株式会社豊田自動織機製作所 流量制御装置
JP2548797B2 (ja) * 1989-05-12 1996-10-30 三菱重工業株式会社 フォークリフトの油圧制御装置
US5011363A (en) * 1989-12-05 1991-04-30 Crown Equipment Corporation Extend and retract control for fork lifts

Also Published As

Publication number Publication date
JPH04100198U (es) 1992-08-28
AU1062492A (en) 1992-08-13
EP0498611B1 (en) 1994-11-09
EP0498611A2 (en) 1992-08-12
KR960010453B1 (ko) 1996-08-01
CA2060347C (en) 1995-01-17
JPH0756314Y2 (ja) 1995-12-25
KR920016334A (ko) 1992-09-24
US5184699A (en) 1993-02-09
DE69200628D1 (de) 1994-12-15
DE69200628T2 (de) 1995-05-18
EP0498611A3 (en) 1992-10-14
CA2060347A1 (en) 1992-08-06
AU649194B2 (en) 1994-05-12

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