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
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
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices 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
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
-
- 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
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices 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
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/24—Electrical devices or systems
-
- 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
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
- Y10T137/86574—Supply and exhaust
- Y10T137/86622—Motor-operated
- Y10T137/8663—Fluid motor
-
- 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
- Y10T74/00—Machine element or mechanism
- Y10T74/20—Control lever and linkage systems
- Y10T74/20396—Hand 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.
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)
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)
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 |
-
1991
- 1991-02-05 JP JP1041991U patent/JPH0756314Y2/ja not_active Expired - Lifetime
-
1992
- 1992-01-30 CA CA 2060347 patent/CA2060347C/en not_active Expired - Fee Related
- 1992-01-31 AU AU10624/92A patent/AU649194B2/en not_active Ceased
- 1992-01-31 KR KR1019920001532A patent/KR960010453B1/ko not_active IP Right Cessation
- 1992-02-04 EP EP19920300924 patent/EP0498611B1/en not_active Expired - Lifetime
- 1992-02-04 DE DE69200628T patent/DE69200628T2/de not_active Expired - Fee Related
- 1992-02-04 ES ES92300924T patent/ES2067295T3/es not_active Expired - Lifetime
- 1992-02-05 US US07/830,570 patent/US5184699A/en not_active Expired - Lifetime
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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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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