EP3159549A1 - Dispositif de recuperation d'energie hydraulique pour un engin de travail et engin de travail correspondant - Google Patents
Dispositif de recuperation d'energie hydraulique pour un engin de travail et engin de travail correspondant Download PDFInfo
- Publication number
- EP3159549A1 EP3159549A1 EP16188813.6A EP16188813A EP3159549A1 EP 3159549 A1 EP3159549 A1 EP 3159549A1 EP 16188813 A EP16188813 A EP 16188813A EP 3159549 A1 EP3159549 A1 EP 3159549A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump
- working
- working cylinder
- energy
- boom
- 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.)
- Granted
Links
- 238000011084 recovery Methods 0.000 title description 6
- 239000012530 fluid Substances 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009396 hybridization Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
Images
Classifications
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- 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
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- 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
- B66C23/18—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 specially adapted for use in particular purposes
- B66C23/36—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 specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
- B66C23/40—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 specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes with a single prime mover for both crane and vehicle
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
- E02F9/12—Slewing or traversing gears
- E02F9/121—Turntables, i.e. structure rotatable about 360°
- E02F9/123—Drives or control devices specially adapted therefor
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2217—Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2292—Systems with two or more pumps
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2296—Systems with a variable displacement pump
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- 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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/024—Installations or systems with accumulators used as a supplementary power source, e.g. to store energy in idle periods to balance pump load
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- 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
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/024—Systems essentially incorporating special features for controlling the speed or actuating force of an output member by means of differential connection of the servomotor lines, e.g. regenerative circuits
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- 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
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
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- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/021—Valves for interconnecting the fluid chambers of an actuator
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- 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
- F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
- F15B7/005—With rotary or crank input
- F15B7/006—Rotary pump input
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- 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
- F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
- F15B7/008—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors with rotary output
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- 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
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
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- 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
- F15B2201/00—Accumulators
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- 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
- F15B2211/20546—Type of pump variable capacity
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- 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
- F15B2211/20561—Type of pump reversible
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- 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
- F15B2211/20569—Type of pump capable of working as pump and motor
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- 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
- F15B2211/20576—Systems with pumps with multiple pumps
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- 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
- F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
- F15B2211/212—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being accumulators
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- 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
- F15B2211/27—Directional control by means of the pressure source
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- 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
- F15B2211/3056—Assemblies of multiple valves
- F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
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- 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
- F15B2211/3056—Assemblies of multiple valves
- F15B2211/3059—Assemblies of multiple valves having multiple valves for multiple output members
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- 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
- F15B2211/31—Directional control characterised by the positions of the valve element
- F15B2211/3122—Special positions other than the pump port being connected to working ports or the working ports being connected to the return line
- F15B2211/3133—Regenerative position connecting the working ports or connecting the working ports to the pump, e.g. for high-speed approach stroke
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- 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
- F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
- F15B2211/31523—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source and an output member
- F15B2211/31535—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source and an output member having multiple pressure sources and a single output member
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- 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
- F15B2211/61—Secondary circuits
- F15B2211/613—Feeding circuits
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- 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
- F15B2211/625—Accumulators
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- 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
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7051—Linear output members
- F15B2211/7053—Double-acting output members
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- 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
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7058—Rotary output members
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- 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
- F15B2211/7114—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators
- F15B2211/7128—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators the chambers being connected in parallel
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- 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
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- 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
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- 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
- F15B2211/76—Control of force or torque of the output member
- F15B2211/761—Control of a negative load, i.e. of a load generating hydraulic energy
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- 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
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/86—Control during or prevention of abnormal conditions
- F15B2211/863—Control during or prevention of abnormal conditions the abnormal condition being a hydraulic or pneumatic failure
- F15B2211/8636—Circuit failure, e.g. valve or hose failure
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- 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
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/88—Control measures for saving energy
Definitions
- the invention relates to a device for recovering hydraulic energy in a working device and a corresponding implement itself.
- the object of the invention is therefore to provide a generic device which is simpler in construction than the devices known from the prior art and which can be used more flexibly and efficiently than these.
- a device with a mooring pump which can be used as a pump or engine, with a high-pressure accumulator and with a throttle differential circuit for connecting the bottom side of a working cylinder with the rod side of the working cylinder of the working device, wherein when lowering a boom of the implement the hydraulic fluid flowing out of the working cylinder flows into three regions, wherein in the first region the mooring pump operates during engine operation and drives further consumption, wherein in the second region the high-pressure accumulator stores pressure energy and wherein in the third region the hydraulic fluid flowing out of the bottom side or the rod side of the working cylinder at least partially filled the other side of the working cylinder.
- a single high pressure accumulator can be used as a common memory for a slewing and the boom or its actuators.
- the slewing gear can be driven by the storage energy of the high-pressure accumulator and / or by a rotary pump.
- a superstructure of the implement such as a backhoe drums braking energy from a slewing motor or drive, which operates as a pump when braking, are directed to the high-pressure accumulator.
- the device according to the invention further represents a simple variant of the recovery of hydraulic energy, which allows a hybridization of a working device without corresponding recovery device, wherein the superstructure-structural structure of the working device does not have to be significantly changed and a corresponding retrofitting is possible without difficulty. Also, the arrangement of the device according to the invention means that in comparison with the prior art only a small number of valves for recovering the energy is required.
- the working cylinder is a boom cylinder of the boom of the working device.
- the working cylinder is a boom cylinder of the boom of the working device.
- the throttle differential circuit comprises a throttle between the bottom side and the rod side of the working cylinder.
- the pressure level for direct filling of the high-pressure accumulator can be raised, wherein the bottom side of the cylinder can be connected to the rod side of the cylinder via the differential circuit.
- the connection can be throttled from the bottom to the rod side.
- the hydraulic fluid in the third region flows from the bottom side into the rod side and in a further preferred embodiment it is conceivable that the mooring Pump operates in open circuit. Furthermore, in a preferred embodiment, it is conceivable that the hydraulic fluid flows in one, two or three of the regions simultaneously or in parallel. The energy recovery can be flexibly adjusted in this way, depending on the energy to be recovered and the energy consumption of other consumers.
- a hydraulic rotary pump is provided for driving a rotating mechanism of the working device.
- the boom of the implement can be boosted even if other parallel movements take place, for example, the slewing.
- the high-pressure accumulator can be loaded while at the same time other movements such as movements of the slewing gear are controlled in parallel without disturbing these movements.
- stored energy of the high-pressure accumulator can be transmitted via the rotary lobe pump to other pumps and / or to a diesel engine.
- the energy stored in the high-pressure accumulator can be used in the boom and in a slewing gear of the working device for driving corresponding pumps operated as a motor.
- the rotary lobe pump can advantageously act as a motor and apply energy to corresponding units of the diesel engine or directly to other pumps of the implement.
- the invention is also directed to a working device, in particular a hydraulic excavator, having a device according to one of claims 1 to 9.
- the device of FIG. 2 differs from the other two devices in that here the hydraulics of the implement can be operated in three independent circuits when working without slewing gear (eg digging an excavator without using a slewing gear).
- the device of FIG. 3 differs from the other two devices in that the slewing pump is a standard pump. This is easier to operate and less expensive than a closed-loop rotary pump or a mooring pump, but has the disadvantage that it can only be used as a pump.
- FIG. 1 shows a device according to the invention, in which the flow of oil is passed from the bottom side of a working cylinder 100 via the control axis 10 to the rod side of the working cylinder 100.
- the excess oil is fed to the pump line 60.
- the feed on the rod side leads to the pressure increase on the bottom side, which is the direct storage filling of the high-pressure accumulator 40 is useful.
- the connection to the rod side in the control axis 10 can be throttled.
- the control can be done electronically. This results in an energy recuperation in the Rod side of the working cylinder 100 through the described DrosselDifferentialscrien.
- An energy recuperation can also take place according to the invention by direct filling of the high-pressure accumulator 40.
- a partial flow of oil from the pump line 60 can be diverted via the valve axis 30 directly to the storage filling of the high-pressure accumulator 40.
- the energy recuperation may also be effected via the mooring pump 21, wherein all or part of the oil flow from the pump line 60 drives the mooring pump 21, which operates as a motor at this time.
- the energy thus released is transmitted via a gearbox to other pumps and / or to a diesel engine of the implement, where it is further utilized accordingly to drive other consumers, for filling of storage or for compensation of a towing load.
- the control of the standard boom axis 11 allows a boost when lowering or normal operation in case of failure of the recuperation system according to the invention.
- boost the oil flow is conducted from the bottom side of the working cylinder 100 via the control shaft 11 to the tank.
- the boom is in free fall.
- control axis 11 is used to control the lifting cylinder.
- the oil flow is passed from the pump line 60 via the control axis 11 to the lifting cylinder and the returning oil flow from the lifting cylinder is passed via the control axis 11 to the tank.
- the control of the standard boom axis 11 allows a boost when lowering or normal operation in case of failure of the recuperation system according to the invention.
- the Mooring pump 21 operates in normal pump operation when the boom is not lowered.
- an algorithm can determine the path of the recuperation or determine into which areas the hydraulic fluid is directed to carry out a recuperation. Several or even all three paths or areas can be selected simultaneously.
- An advantage of the device according to the invention with its three different recuperation regions is that only a single high-pressure accumulator 40 must or can be used and no loss-rich energy transfer has to take place between different accumulators.
- the high pressure storage can also be done at any time and due to the separate rotary pump 22, 25 also be performed in parallel to other work or slewing movements.
- the work pump or Mooring pump 21 can supply all consumers and in particular the boom, the stem or the traction drive of the implement.
- the rotary pump 22, 25 may be formed as a mooring pump 21.
- the device according to the invention is particularly efficient, since the oil flow in the three-way recuperation can be divided into three ways.
- the oil flow can flow to the mooring pump 21, the high-pressure accumulator 40 and the rod side of the working cylinder 100.
- the complete flow of oil does not have to flow through the pump so that the components required for recuperation, in particular the pump or mooring pump 21, can be dimensioned to be smaller or more compact and less expensive, thereby resulting in lower pressure losses in the device.
- By trained in three independent hydraulic circuits areas for recuperation pressure adjustment in the recuperation is unnecessary, so no pressure losses must be accepted.
- the high-pressure accumulator 40 can be loaded, even if other movements of the implement are controlled in parallel. These movements are not affected by the loading of the high-pressure accumulator 40.
- the boom can be accelerated via a standard piston.
- the working device which may be designed in particular as an excavator, continue to be operated in the case of malfunctions of the recuperation system, since the illustrated recuperation system represents an add-on solution.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
- Operation Control Of Excavators (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015013768 | 2015-10-23 | ||
DE102016003390.8A DE102016003390A1 (de) | 2015-10-23 | 2016-03-18 | Vorrichtung zur Rückgewinnung hydraulischer Energie bei einem Arbeitsgerät und ein entsprechendes Arbeitsgerät |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3159549A1 true EP3159549A1 (fr) | 2017-04-26 |
EP3159549B1 EP3159549B1 (fr) | 2022-01-26 |
Family
ID=58490263
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP16188813.6A Active EP3159549B1 (fr) | 2015-10-23 | 2016-09-14 | Dispositif de recuperation d'energie hydraulique pour un engin de travail et engin de travail correspondant |
Country Status (9)
Country | Link |
---|---|
US (1) | US20170114804A1 (fr) |
EP (1) | EP3159549B1 (fr) |
CN (1) | CN106837947B (fr) |
AU (1) | AU2016247211A1 (fr) |
BR (1) | BR102016024338A2 (fr) |
CA (1) | CA2945219C (fr) |
DE (1) | DE102016003390A1 (fr) |
ES (1) | ES2911295T3 (fr) |
RU (1) | RU2016141355A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110712522A (zh) * | 2018-07-12 | 2020-01-21 | 伊顿智能动力有限公司 | 双动力电动液压运动控制*** |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102138783B1 (ko) | 2017-09-29 | 2020-07-28 | 가부시키가이샤 히다치 겡키 티에라 | 작업 기계의 유압 구동 장치 |
DE102018101924A1 (de) * | 2018-01-29 | 2019-08-01 | Liebherr-Hydraulikbagger Gmbh | Arbeitsmaschine mit Hydraulik zur Energierekuperation |
CN108533578A (zh) * | 2018-06-14 | 2018-09-14 | 长安大学 | 一种液压动臂势能回收***及方法 |
DE102021210054A1 (de) | 2021-09-13 | 2023-03-16 | Robert Bosch Gesellschaft mit beschränkter Haftung | Energieeffiziente elektrisch-hydraulische Steueranordnung |
DE102022206509A1 (de) | 2022-06-28 | 2023-12-28 | Robert Bosch Gesellschaft mit beschränkter Haftung | Hydraulischer Antrieb und Verfahren zum regenerativen Absenken eines Elements einer Arbeitsmaschine |
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US20130098464A1 (en) * | 2011-10-21 | 2013-04-25 | Michael L. Knussman | Closed-Loop Hydraulic System Having Regeneration Configuration |
US20130152565A1 (en) * | 2011-12-16 | 2013-06-20 | Pengfei Ma | Hydraulic system having energy recovery |
US20140033697A1 (en) * | 2012-07-31 | 2014-02-06 | Patrick Opdenbosch | Meterless hydraulic system having force modulation |
DE112011105277T5 (de) * | 2011-05-23 | 2014-04-10 | Parker Hannifin Ab | Verfahren und System zur Energierückgewinnung |
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JP2004011168A (ja) * | 2002-06-04 | 2004-01-15 | Komatsu Ltd | 建設機械 |
US6789387B2 (en) * | 2002-10-01 | 2004-09-14 | Caterpillar Inc | System for recovering energy in hydraulic circuit |
US7249457B2 (en) * | 2005-02-18 | 2007-07-31 | Timberjack Inc. | Hydraulic gravitational load energy recuperation |
US7634911B2 (en) * | 2007-06-29 | 2009-12-22 | Caterpillar Inc. | Energy recovery system |
CN101413523A (zh) * | 2008-11-14 | 2009-04-22 | 浙江大学 | 工程机械负载口独立蓄能器能量回收液压*** |
US9279236B2 (en) * | 2012-06-04 | 2016-03-08 | Caterpillar Inc. | Electro-hydraulic system for recovering and reusing potential energy |
JP6090781B2 (ja) * | 2013-01-28 | 2017-03-08 | キャタピラー エス エー アール エル | エンジンアシスト装置および作業機械 |
CN103148031B (zh) * | 2013-03-27 | 2015-07-08 | 南京工业大学 | 一种液压动臂回路节能控制*** |
CN203463385U (zh) * | 2013-09-16 | 2014-03-05 | 愚公机械股份有限公司 | 液压起重机节能起升*** |
EP3205780B1 (fr) * | 2014-10-06 | 2022-02-23 | Sumitomo Heavy Industries, Ltd. | Pelle |
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2016
- 2016-03-18 DE DE102016003390.8A patent/DE102016003390A1/de not_active Withdrawn
- 2016-09-14 EP EP16188813.6A patent/EP3159549B1/fr active Active
- 2016-09-14 ES ES16188813T patent/ES2911295T3/es active Active
- 2016-10-13 CA CA2945219A patent/CA2945219C/fr active Active
- 2016-10-19 BR BR102016024338-6A patent/BR102016024338A2/pt not_active Application Discontinuation
- 2016-10-21 CN CN201610922168.7A patent/CN106837947B/zh active Active
- 2016-10-21 AU AU2016247211A patent/AU2016247211A1/en not_active Abandoned
- 2016-10-21 RU RU2016141355A patent/RU2016141355A/ru not_active Application Discontinuation
- 2016-10-24 US US15/332,942 patent/US20170114804A1/en not_active Abandoned
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DE112011105277T5 (de) * | 2011-05-23 | 2014-04-10 | Parker Hannifin Ab | Verfahren und System zur Energierückgewinnung |
US20130098464A1 (en) * | 2011-10-21 | 2013-04-25 | Michael L. Knussman | Closed-Loop Hydraulic System Having Regeneration Configuration |
US20130152565A1 (en) * | 2011-12-16 | 2013-06-20 | Pengfei Ma | Hydraulic system having energy recovery |
US20140033697A1 (en) * | 2012-07-31 | 2014-02-06 | Patrick Opdenbosch | Meterless hydraulic system having force modulation |
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CN110712522A (zh) * | 2018-07-12 | 2020-01-21 | 伊顿智能动力有限公司 | 双动力电动液压运动控制*** |
Also Published As
Publication number | Publication date |
---|---|
US20170114804A1 (en) | 2017-04-27 |
CA2945219A1 (fr) | 2017-04-23 |
ES2911295T3 (es) | 2022-05-18 |
CN106837947A (zh) | 2017-06-13 |
EP3159549B1 (fr) | 2022-01-26 |
BR102016024338A2 (pt) | 2017-07-18 |
CA2945219C (fr) | 2024-05-21 |
DE102016003390A1 (de) | 2017-04-27 |
CN106837947B (zh) | 2020-11-03 |
AU2016247211A1 (en) | 2017-05-11 |
RU2016141355A (ru) | 2018-04-26 |
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