DE29911686U1 - Electro-hydraulic lifting module - Google Patents

Electro-hydraulic lifting module

Info

Publication number
DE29911686U1
DE29911686U1 DE29911686U DE29911686U DE29911686U1 DE 29911686 U1 DE29911686 U1 DE 29911686U1 DE 29911686 U DE29911686 U DE 29911686U DE 29911686 U DE29911686 U DE 29911686U DE 29911686 U1 DE29911686 U1 DE 29911686U1
Authority
DE
Germany
Prior art keywords
pressure
consumer
module according
control valve
function
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
DE29911686U
Other languages
German (de)
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.)
Hawe Hydraulik GmbH and Co KG
Original Assignee
Heilmeier and Weinlein Fabrik fuer Oel Hydraulik GmbH and Co KG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8075697&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE29911686(U1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Heilmeier and Weinlein Fabrik fuer Oel Hydraulik GmbH and Co KG filed Critical Heilmeier and Weinlein Fabrik fuer Oel Hydraulik GmbH and Co KG
Priority to DE29911686U priority Critical patent/DE29911686U1/en
Publication of DE29911686U1 publication Critical patent/DE29911686U1/en
Priority to DE50009076T priority patent/DE50009076D1/en
Priority to EP00112802A priority patent/EP1067296B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B66F9/22—Hydraulic devices or systems
    • 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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/14—Energy-recuperation means
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/20507—Type of prime mover
    • F15B2211/20515—Electric motor
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30505—Non-return valves, i.e. check valves
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
    • F15B2211/3053—In combination with a pressure compensating valve
    • F15B2211/30535—In combination with a pressure compensating valve the pressure compensating valve is arranged between pressure source and directional control valve
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40507—Flow control characterised by the type of flow control means or valve with constant throttles or orifices
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40576—Assemblies of multiple valves
    • F15B2211/40584—Assemblies of multiple valves the flow control means arranged in parallel with a check valve
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
    • F15B2211/4159—Flow control characterised by the connections of the flow control means in the circuit being connected to a pressure source, an output member and a return line
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/42—Flow control characterised by the type of actuation
    • F15B2211/426—Flow control characterised by the type of actuation electrically or electronically
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/45—Control of bleed-off flow, e.g. control of bypass flow to the return line
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/46—Control of flow in the return line, i.e. meter-out control
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief valves
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief valves
    • F15B2211/50527—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief valves using cross-pressure relief valves
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50563—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5151—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and a directional control valve
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5153—Pressure control characterised by the connections of the pressure control means in the circuit being connected to an output member and a directional control valve
    • F15B2211/5154—Pressure control characterised by the connections of the pressure control means in the circuit being connected to an output member and a directional control valve being connected to multiple ports of an output member
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5158—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and an output member
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/605—Load sensing circuits
    • F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
    • F15B2211/6054—Load sensing circuits having valve means between output member and the load sensing circuit using shuttle valves
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/605—Load sensing circuits
    • F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
    • F15B2211/6055—Load sensing circuits having valve means between output member and the load sensing circuit using pressure relief valves
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • F15B2211/7142—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being arranged in multiple groups

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Fluid Mechanics (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Geology (AREA)
  • Civil Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Fluid-Pressure Circuits (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (14)

1. Elektrohydraulischer Hubmodul (S), insbesondere für ein Flurförderfahrzeug wie ei­ nen Schubmaststapler, mit einer durch einen Elektromotor (M) antreibbaren Versor­ gungspumpe (P), die in einem Versorgungsmodus und in einem Energiespar-Modus betreibbar ist, und an die wahlweise Druckversorgungsleitungen (5, 15) wenigstens eines Verbrauchers (VH) einer Haupthebefunktion und wenigstens eines Verbrau- chers (VN) einer Nebenfunktion anschließbar sind, mit einem in Rückströmrichtung zum Tank blockierten Nebenstrang (8) vom Verbraucher (VH) der Haupthebefunktion über die Versorgungspumpe (P) zu einer Direktverbindung (2) zum Tank, wobei der Verbraucher (VN) der Nebenfunktion auch im Energiespar-Modus der Versorgungs­ pumpe (P) betätigbar ist, dadurch gekennzeichnet, daß nur eine einzige Versor­ gungspumpe (P) vorgesehen ist, und daß der Verbraucher (VN) der Nebenfunktion im Energiespar-Modus der Versorgungspumpe (P) zumindest anteilig mit aus dem Ver­ braucher (VH) der Haupthebefunktion mit Druck über den Nebenstrang (8) und durch die Versorgungspumpe (P) verdrängtem Druckmittel betätigbar ist.1. Electro-hydraulic lifting module (S), in particular for an industrial truck such as a reach truck, with a supply pump (P) which can be driven by an electric motor (M) and which can be operated in a supply mode and in an energy-saving mode, and to the optional pressure supply lines ( 5 , 15 ) at least one consumer (VH) of a main lifting function and at least one consumer (VN) of a secondary function can be connected, with a secondary line ( 8 ) blocked in the backflow direction to the tank by the consumer (VH) of the main lifting function via the supply pump (P ) to a direct connection ( 2 ) to the tank, the consumer (VN) of the secondary function can also be operated in the energy-saving mode of the supply pump (P), characterized in that only a single supply pump (P) is provided, and that Consumers (VN) of the secondary function in the energy-saving mode of the supply pump (P) at least partially from the consumer (VH) of the main unit can be operated with pressure via the secondary line ( 8 ) and pressure medium displaced by the supply pump (P). 2. Hubmodul nach Anspruch 1, dadurch gekennzeichnet, daß an der Druckseite der Versorgungspumpe (P) eine Dreiwege-Proportional-Stromregeleinrichtung (SR) vor­ gesehen ist, an die abströmseitig die Druckversorgungsleitungen (5, 15) aller Ver­ braucher (VH, VN) und die Direktverbindung (2) zum Tank (T) angeschlossen sind, und daß eine die Direktverbindung (2) zum Tank überwachende, in Strömungsrich­ tung im Nebenstrang stromab der Dreiwege-Proportional-Stromregeleinrichtung (SR) angeordnete Steuerventil-Komponente (10) zur Hebesteuerung der Haupthebefunkti­ on vorgesehen ist.2. Lift module according to claim 1, characterized in that on the pressure side of the supply pump (P) a three-way proportional flow control device (SR) is seen before, to the downstream of the pressure supply lines ( 5 , 15 ) of all consumers (VH, VN) and the direct connection ( 2 ) to the tank (T) are connected, and that a direct connection ( 2 ) to the tank monitoring, in the flow direction in the secondary line downstream of the three-way proportional flow control device (SR) arranged control valve component ( 10 ) for lifting control the main lifting function is provided. 3. Hubmodul nach Anspruch 2, dadurch gekennzeichnet, daß die Dreiwege-Propor­ tional-Stromregeleinrichtung (SR) eine Druckwaage (D) und eine Proportional-Meß­ blende (MB) aufweist, daß die Druckwaage in Öffnungsrichtung zur Druckversor­ gungsleitung (15) des Verbrauchers (VN) der Nebenfunktion von einer Regelfeder (20) und einem ersten Steuerdruck stromab der Proportional-Meßblende (MB) und in Öffnungsrichtung zur Druckversorgungsleitung (5) des Verbrauchers (VH) der Haupthebefunktion mit einem zweiten Steuerdruck stromauf der Proportional-Meß­ blende (MB) beaufschlagt ist.3. Lift module according to claim 2, characterized in that the three-way proportional flow control device (SR) has a pressure compensator (D) and a proportional measuring aperture (MB) that the pressure compensator in the opening direction to the pressure supply line ( 15 ) of the consumer (VN) the secondary function of a control spring ( 20 ) and a first control pressure downstream of the proportional measuring orifice (MB) and in the opening direction to the pressure supply line ( 5 ) of the consumer (VH) the main lifting function with a second control pressure upstream of the proportional measuring orifice (MB ) is applied. 4. Hubmodul nach Anspruch 3, dadurch gekennzeichnet, daß die Proportional-Meß­ blende (MB) in der Druckversorgungsleitung (15) des Verbrauchers (VN) der Neben­ funktion angeordnet ist, und daß für den Verbraucher (VN) ein einfaches Richtungs­ steuerventil (W) vorgesehen ist.4. Lifting module according to claim 3, characterized in that the proportional measuring orifice (MB) in the pressure supply line ( 15 ) of the consumer (VN) the secondary function is arranged, and that for the consumer (VN) a simple directional control valve (W ) is provided. 5. Hubmodul nach den Ansprüchen 1 und 3, dadurch gekennzeichnet, daß für den Verbraucher (VN) der Nebenfunktion ein Proportional-Wegesteuerventil (WP) vorge­ sehen ist, und daß der erste Steuerdruck der Lastdruck des Verbrauchers (VN) stromab des Proportional-Wegesteuerventils (WP) ist.5. Lift module according to claims 1 and 3, characterized in that for the Consumer (VN) the auxiliary function a proportional directional control valve (WP) pre see and that the first control pressure is the load pressure of the consumer (VN) downstream of the proportional directional control valve (WP). 6. Hubmodul nach Anspruch 1, dadurch gekennzeichnet, daß eine Steuerventil- Komponente (10) des Verbrauchers (VH) der Haupthebefunktion in der Direktverbin­ dung (2) zum Tank stromab eines Kreuzungspunktes (4) vorgesehen ist, von dem die Druckversorgungsleitung (5) zum Verbraucher (VH) der Haupthebefunktion führt.6. Lifting module according to claim 1, characterized in that a control valve component ( 10 ) of the consumer (VH) the main lifting function in the direct connection ( 2 ) to the tank downstream of an intersection ( 4 ) is provided, from which the pressure supply line ( 5 ) leads to the consumer (VH) of the main lifting function. 7. Hubmodul nach Anspruch 1, dadurch gekennzeichnet, daß eine Steuerventil- Komponente (10) des Verbrauchers (VH) der Haupthebefunktion in der Direktverbin­ dung (2) zum Tank vorgesehen ist und einen Kreuzungspunkt (4') enthält, von dem die Druckversorgungsleitung (5) zum Verbraucher (VH) der Haupthebefunktion führt.7. Lift module according to claim 1, characterized in that a control valve component ( 10 ) of the consumer (VH) of the main lifting function in the direct connection ( 2 ) to the tank is provided and contains a crossing point ( 4 ') from which the pressure supply line ( 5 ) leads to the consumer (VH) of the main lifting function. 8. Hubmodul nach Anspruch 6, dadurch gekennzeichnet, daß die Steuerventil- Komponente (10) ein 2/2-Schwarz/Weiß-Richtungssteuerventil (31) oder ein 2/2- Proportional-Richtungssteuerventil (30) ist.8. Lift module according to claim 6, characterized in that the control valve component ( 10 ) is a 2/2-way black / white directional control valve ( 31 ) or a 2/2-proportional directional control valve ( 30 ). 9. Hubmodul nach Anspruch 7, dadurch gekennzeichnet, daß die Steuerventil- Komponente (10) ein 3/2-Schwarz/Weiß-Richtungssteuerventil (33) oder ein 3/2- Proportional-Richtungssteuerventil (34) ist. 9. Lift module according to claim 7, characterized in that the control valve component ( 10 ) is a 3/2-way black / white directional control valve ( 33 ) or a 3/2-proportional directional control valve ( 34 ). 10. Hubmodul nach Anspruch 1, dadurch gekennzeichnet, daß der Verbraucher (VH) der Haupthebefunktion durch ein die maximale Einfahrgeschwindigkeit unter Last begrenzendes Senkbremsventil (B) abgesichert ist.10. Lift module according to claim 1, characterized in that the consumer (VH) of the main lifting function by a the maximum entry speed below Load limiting lowering brake valve (B) is secured. 11. Hubmodul nach wenigstens einem der vorhergehenden Ansprüche, dadurch ge­ kennzeichnet, daß zur Senksteuerung des Verbrauches (VN) im Nebenstrang (8) ein 2/2-Proportional-Richtungssteuerventil (9) oder ein 2/2-Schwarz/Weiß- Richtungssteuerventil vorgesehen ist.11. Lifting module according to at least one of the preceding claims, characterized in that a 2/2-proportional directional control valve ( 9 ) or a 2/2-black / white directional control valve is provided for lowering the consumption (VN) in the secondary line ( 8 ) is. 12. Hubmodul nach Anspruch 1, dadurch gekennzeichnet, daß zusätzlich zu einem auf Druckniveau des Verbrauchers (VH) der Haupthebefunktion abgestimmten Druck­ begrenzungsventil (3) stromab der Proportional-Stromregeleinrichtung (SR) ein zwei­ tes, auf das ggfs. niedrigere Druckniveau des Verbrauchers (VN) für die Nebenfunkti­ on abgestimmtes Druckbegrenzungsventil (3a) vorgesehen ist.12. Lifting module according to claim 1, characterized in that, in addition to a pressure-limiting valve ( 3 ) matched to the pressure level of the consumer (VH) of the main lifting function downstream of the proportional flow control device (SR), a two tests on the possibly lower pressure level of the consumer ( VN) for the auxiliary function is coordinated pressure relief valve ( 3 a) is provided. 13. Hubmodul nach Anspruch 13, dadurch gekennzeichnet, daß das zweite Druck­ begrenzungsventil (3a) zwischen der Druckversorgungsleitung (15) des Verbrauchers (VN) für die Nebenfunktion und dem Tank (T) vorgesehen oder in einer Steuerleitung (12, 12a) für den ersten Steuerdruck angeordnet ist.13. Lifting module according to claim 13, characterized in that the second pressure limiting valve ( 3 a) between the pressure supply line ( 15 ) of the consumer (VN) for the secondary function and the tank (T) is provided or in a control line ( 12 , 12 a) is arranged for the first control pressure. 14. Hubmodul nach den Ansprüchen 12 oder 13, dadurch gekennzeichnet, daß das zweite Druckbegrenzungsventil (3a) zum Tank (T) durch eine eine Drosselstelle (14) enthaltende Entlastungsleitung (13) für den ersten Steuerdruck umgangen wird.14. Lifting module according to claims 12 or 13, characterized in that the second pressure relief valve ( 3 a) to the tank (T) is bypassed by a relief line ( 14 ) containing a relief line ( 13 ) for the first control pressure.
DE29911686U 1999-07-06 1999-07-06 Electro-hydraulic lifting module Expired - Lifetime DE29911686U1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE29911686U DE29911686U1 (en) 1999-07-06 1999-07-06 Electro-hydraulic lifting module
DE50009076T DE50009076D1 (en) 1999-07-06 2000-06-16 Electrohydraulic lifting module
EP00112802A EP1067296B1 (en) 1999-07-06 2000-06-16 Electrohydraulic lifting module

Applications Claiming Priority (1)

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DE29911686U DE29911686U1 (en) 1999-07-06 1999-07-06 Electro-hydraulic lifting module

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2807020A1 (en) * 2000-03-04 2001-10-05 Jungheinrich Ag HYDRAULIC LIFTING DEVICE FOR BATTERY-POWERED GROUND HANDLING TROLLEYS
EP1577257A2 (en) * 2004-03-11 2005-09-21 Jungheinrich Aktiengesellschaft Hydraulic lifting device for battery-powered industrial vehicle
DE102006003414B3 (en) * 2006-01-24 2007-08-02 Sauer-Danfoss Gmbh & Co Ohg Hydraulic circuit arrangement
DE10224730B4 (en) * 2001-06-29 2012-09-27 Linde Material Handling Gmbh Hydraulic control device
EP3171039A1 (en) * 2015-11-18 2017-05-24 HAWE Hydraulik SE Hydraulic lifting module having a lifting and lowering function

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DE102007010697A1 (en) * 2007-03-06 2008-09-11 Jungheinrich Aktiengesellschaft Truck
EP2058270B1 (en) 2007-11-06 2010-05-26 HAWE Hydraulik SE Electrohydraulic lifting device
EP2062848B1 (en) 2007-11-21 2010-07-14 HAWE Hydraulik SE Electro-hydraulic lifting module
DE102018112835A1 (en) 2018-05-29 2019-12-05 Fsp Fluid Systems Partner Holding Ag Hydraulic system, hydraulic unit, vehicle, procedures and use
GB2575480A (en) * 2018-07-11 2020-01-15 Parker Hannifin Emea Sarl A control valve assembly for a load handling vehicle

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JPS6434627A (en) 1987-07-30 1989-02-06 Tsudakoma Ind Co Ltd Pallet clamp equipment of machine tool
JPH02215700A (en) 1989-02-14 1990-08-28 Toyota Autom Loom Works Ltd Hydraulic device in battery type industrial vehicle
DE9218483U1 (en) 1992-11-06 1994-04-28 Honeywell Ag Lifting and lowering device
DE4402653C2 (en) 1994-01-29 1997-01-30 Jungheinrich Ag Hydraulic lifting device for battery-powered industrial trucks
DE19744429A1 (en) 1997-10-08 1999-04-22 Still Wagner Gmbh & Co Kg Industrial truck with a load suspension device and method for lowering the load suspension device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2807020A1 (en) * 2000-03-04 2001-10-05 Jungheinrich Ag HYDRAULIC LIFTING DEVICE FOR BATTERY-POWERED GROUND HANDLING TROLLEYS
DE10224730B4 (en) * 2001-06-29 2012-09-27 Linde Material Handling Gmbh Hydraulic control device
EP1577257A2 (en) * 2004-03-11 2005-09-21 Jungheinrich Aktiengesellschaft Hydraulic lifting device for battery-powered industrial vehicle
EP1577257A3 (en) * 2004-03-11 2005-09-28 Jungheinrich Aktiengesellschaft Hydraulic lifting device for battery-powered industrial vehicle
DE102004011913A1 (en) * 2004-03-11 2005-10-13 Jungheinrich Ag Hydraulic lifting device for battery-operated industrial trucks
DE102004011913B4 (en) * 2004-03-11 2005-12-29 Jungheinrich Ag Hydraulic lifting device for battery-operated industrial trucks
US7181910B2 (en) 2004-03-11 2007-02-27 Jungheinrich Aktiengesellschaft Hydraulic lifting device for battery-operated industrial trucks
DE102006003414B3 (en) * 2006-01-24 2007-08-02 Sauer-Danfoss Gmbh & Co Ohg Hydraulic circuit arrangement
EP3171039A1 (en) * 2015-11-18 2017-05-24 HAWE Hydraulik SE Hydraulic lifting module having a lifting and lowering function

Also Published As

Publication number Publication date
DE50009076D1 (en) 2005-02-03
EP1067296B1 (en) 2004-12-29
EP1067296A1 (en) 2001-01-10

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