FI20185181A1 - Kraftenhet för styrning av ett tryckorgan ämnat för laststyrning - Google Patents

Kraftenhet för styrning av ett tryckorgan ämnat för laststyrning Download PDF

Info

Publication number
FI20185181A1
FI20185181A1 FI20185181A FI20185181A FI20185181A1 FI 20185181 A1 FI20185181 A1 FI 20185181A1 FI 20185181 A FI20185181 A FI 20185181A FI 20185181 A FI20185181 A FI 20185181A FI 20185181 A1 FI20185181 A1 FI 20185181A1
Authority
FI
Finland
Prior art keywords
power unit
pressure
pressure medium
circuit
cylinders
Prior art date
Application number
FI20185181A
Other languages
English (en)
Finnish (fi)
Inventor
Juha Elonen
Original Assignee
Fiellberg Oy
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 Fiellberg Oy filed Critical Fiellberg Oy
Priority to FI20185181A priority Critical patent/FI20185181A1/sv
Priority to PCT/FI2019/050153 priority patent/WO2019166695A1/en
Publication of FI20185181A1 publication Critical patent/FI20185181A1/sv

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02Installations or systems with accumulators
    • F15B1/027Installations or systems with accumulators having accumulator charging devices
    • F15B1/0275Installations or systems with accumulators having accumulator charging devices with two or more pilot valves, e.g. for independent setting of the cut-in and cut-out pressures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02Installations or systems with accumulators
    • F15B1/027Installations or systems with accumulators having accumulator charging devices
    • F15B1/033Installations or systems with accumulators having accumulator charging devices with electrical control means
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/08Superstructures; Supports for superstructures
    • E02F9/0858Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
    • E02F9/0875Arrangement of valve arrangements on superstructures
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2217Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00Installations or systems with accumulators; Supply reservoir or sump assemblies
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02Installations or systems with accumulators
    • F15B1/027Installations or systems with accumulators having accumulator charging devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/14Energy-recuperation means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00Accumulators
    • F15B2201/30Accumulator separating means
    • F15B2201/31Accumulator separating means having rigid separating means, e.g. pistons
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00Accumulators
    • F15B2201/50Monitoring, detection and testing means for accumulators
    • F15B2201/51Pressure detection
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/21Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
    • F15B2211/212Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being accumulators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/21Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
    • F15B2211/214Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being hydrotransformers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/305Directional control characterised by the type of valves
    • F15B2211/3056Assemblies of multiple valves
    • F15B2211/30565Assemblies 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/305Directional control characterised by the type of valves
    • F15B2211/3056Assemblies of multiple valves
    • F15B2211/30565Assemblies 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
    • F15B2211/30575Assemblies 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 in a Wheatstone Bridge arrangement (also half bridges)
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/40Flow control
    • F15B2211/405Flow control characterised by the type of flow control means or valve
    • F15B2211/40576Assemblies of multiple valves
    • F15B2211/40592Assemblies of multiple valves with multiple valves in parallel flow paths
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/61Secondary circuits
    • F15B2211/611Diverting circuits, e.g. for cooling or filtering
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/625Accumulators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/63Electronic controllers
    • F15B2211/6303Electronic controllers using input signals
    • F15B2211/6306Electronic controllers using input signals representing a pressure
    • F15B2211/6309Electronic controllers using input signals representing a pressure the pressure being a pressure source supply pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/63Electronic controllers
    • F15B2211/6303Electronic controllers using input signals
    • F15B2211/6306Electronic controllers using input signals representing a pressure
    • F15B2211/6313Electronic controllers using input signals representing a pressure the pressure being a load pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/63Electronic controllers
    • F15B2211/6303Electronic controllers using input signals
    • F15B2211/632Electronic controllers using input signals representing a flow rate
    • F15B2211/6323Electronic controllers using input signals representing a flow rate the flow rate being a pressure source flow rate
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/80Other types of control related to particular problems or conditions
    • F15B2211/88Control measures for saving energy
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B3/00Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

Uppfinningen avser en kraftenhet (10) för styrning av ett tryckorgan ämnat för laststyrning. I samband med detta är en matningskrets (50) anordnad för tillförsel av tryckorganet trycksatt till kraftenheten (10) och en drivkrets (60), i samband med vilken manöverorganet (100) är anordnat, till vilket tryckorganet kan matas för belastning av nämnda manöverdon (100). Belastningen åstadkoms med hjälp av styrorgan (12, 14, 15, 16, 16 ') anordnade i kraftenheten (10). En avlägsnande krets (70) är anordnad i anslutning till kraftenheten (10) för avlägsnande av tryckmediet från drivkretsen (60). Styrorganen (12, 14, 15, 16) som är fast anordnade i förhållande till modulkroppen (11), omfattar åtminstone: en tryckackumulator (12) till vilken tryckmediet kan matas från matningskretsen (50); åtminstone två parallella cylindrar (14) till vilka tryckmediet matas från matningskretsen (50), tryckackumulatorn (12) och / eller drivkretsen (60); riktningsventiler (15, 16, 16') anordnade i anslutning till cylindrarna (14) genom vilka tryckmediet matat från matningskretsen (50) och / eller cylindern (14) kan styras till extern drivkrets (60) för kraftenheten (10) och vidare till drivanordningen (100) , eller genom vilka nämnda riktningsventiler (15, 16, 16') det från driftskretsen (60) återgående tryckmediet kan styras till cylindrarna (14) för laddning av tryckackumulatorn (12) och / eller till den avlägsnande kretsen (70); anslutningar för tryckmediet är bildade på en modulkropp (11), varigenom styrenheten (10) kan vara anordnas i ett stycke mellan matningskretsen (50) och drivkretsen (60).
FI20185181A 2018-02-27 2018-02-27 Kraftenhet för styrning av ett tryckorgan ämnat för laststyrning FI20185181A1 (sv)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI20185181A FI20185181A1 (sv) 2018-02-27 2018-02-27 Kraftenhet för styrning av ett tryckorgan ämnat för laststyrning
PCT/FI2019/050153 WO2019166695A1 (en) 2018-02-27 2019-02-26 Power unit for controlling a pressure medium for load control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20185181A FI20185181A1 (sv) 2018-02-27 2018-02-27 Kraftenhet för styrning av ett tryckorgan ämnat för laststyrning

Publications (1)

Publication Number Publication Date
FI20185181A1 true FI20185181A1 (sv) 2019-08-28

Family

ID=67805183

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20185181A FI20185181A1 (sv) 2018-02-27 2018-02-27 Kraftenhet för styrning av ett tryckorgan ämnat för laststyrning

Country Status (2)

Country Link
FI (1) FI20185181A1 (sv)
WO (1) WO2019166695A1 (sv)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9057389B2 (en) * 2011-09-30 2015-06-16 Caterpillar Inc. Meterless hydraulic system having multi-actuator circuit
CN104728329A (zh) * 2013-12-24 2015-06-24 大连浦州航空科技有限公司 水陆两栖车车轮液压收放减震系统
CN103807239B (zh) * 2014-03-12 2015-09-16 南通恒力重工机械有限公司 一种基于双输出轴电机的剪切板同步控制液压系统

Also Published As

Publication number Publication date
WO2019166695A1 (en) 2019-09-06

Similar Documents

Publication Publication Date Title
US10125750B2 (en) Radial piston pump assemblies and use thereof in hydraulic circuits
KR101617609B1 (ko) 유압 작업 기계용 흐름 관리 시스템
JP5668259B2 (ja) 液圧駆動回路
EP2842905B1 (en) Energy regeneration type forklift hydraulic system
EP2652341B1 (en) Hydraulic system with return pressure control
US10179987B2 (en) Control system for hybrid construction machine
CN108083116B (zh) 一种用于起重机的液压控制系统
CN102416940A (zh) 液压控制系统及工程机械
US9702118B2 (en) Hydraulic regenerative and recovery parasitic mitigation system
CN102226453A (zh) 一种双余度电液伺服执行器
CN108626186B (zh) 一种用于举升与支撑的纯水液压系统
CN115076162B (zh) 阀口独立控制的双泵双回路电液负载敏感系统及控制方法
WO2012129042A1 (en) Regeneration circuit
Linjama et al. Hydraulic hybrid actuator: theoretical aspects and solution alternatives
CN108180348B (zh) 一种电液驱动管道机器人、液压驱动系统及其控制方法
CN103303801A (zh) 汽车起重机液压合流控制系统
JP4446822B2 (ja) 作業車両の油圧駆動装置
CN113323930B (zh) 一种多级压力控制和压力调速液压系统及作业机械
US20090304528A1 (en) Electrical Signal Input Type Displacement Control Device and Hydraulic Equipment
US20200256353A1 (en) Logic-Controlled Flow Compensation Circuit for Operating Single-Rod Hydrostatic Actuators
FI20185181A1 (sv) Kraftenhet för styrning av ett tryckorgan ämnat för laststyrning
FI12788Y1 (sv) Kraftenhet för styrning av ett tryckmedium ämnat för laststyrning
CN110107561B (zh) 散热系统、散热方法以及工程机械
CN106351887A (zh) 一种液压驱动装置
CN203214470U (zh) 重型装载车车斗液压集成举升控制阀组

Legal Events

Date Code Title Description
FD Application lapsed