BR112016029779A2 - circuito hidráulico de segurança - Google Patents

circuito hidráulico de segurança

Info

Publication number
BR112016029779A2
BR112016029779A2 BR112016029779A BR112016029779A BR112016029779A2 BR 112016029779 A2 BR112016029779 A2 BR 112016029779A2 BR 112016029779 A BR112016029779 A BR 112016029779A BR 112016029779 A BR112016029779 A BR 112016029779A BR 112016029779 A2 BR112016029779 A2 BR 112016029779A2
Authority
BR
Brazil
Prior art keywords
hydraulic
pilot
fluid
pilot fluid
alarm
Prior art date
Application number
BR112016029779A
Other languages
English (en)
Other versions
BR112016029779B1 (pt
Inventor
Chioccola Francesco
Original Assignee
Cnh Ind Italia Spa
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 Cnh Ind Italia Spa filed Critical Cnh Ind Italia Spa
Publication of BR112016029779A2 publication Critical patent/BR112016029779A2/pt
Publication of BR112016029779B1 publication Critical patent/BR112016029779B1/pt

Links

Classifications

    • 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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
    • E02F3/435—Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like
    • 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
    • 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
    • E02F9/2285—Pilot-operated systems
    • 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
    • E02F9/24—Safety devices, e.g. for preventing overload
    • 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
    • E02F9/26—Indicating devices
    • 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
    • E02F9/26—Indicating devices
    • E02F9/264—Sensors and their calibration for indicating the position of the work tool
    • 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
    • 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
    • F15B20/007—Overload
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
    • E02F3/32—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom working downwardly and towards the machine, e.g. with backhoes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Lifting Devices For Agricultural Implements (AREA)

Abstract

resumo ?circuito hidráulico de segurança? trata-se de um circuito hidráulico de segurança (1) destinado ao uso em veículos de movimento terrestre (2) ou veículos agrícolas ou, em geral, máquinas hidráulicas, e que compreende: um primeiro atuador hidráulico (3), uma bomba piloto (11) para suprir fluido operacional piloto a uma pressão piloto e um dispositivo de sinalização (4) controlado por meio do fluido piloto e operável para emitir um sinal de alarme; uma válvula de equilíbrio (2) submetida à pressão do primeiro atuador (3) e capaz de distribuir o fluido piloto em uma pluralidade de sinais de ativação hidráulica (s1, s2, s3); meios de distribuição hidráulica (13) capazes de assumir uma pluralidade de configurações operacionais e capazes de distribuir o fluido piloto de acordo com a configuração assumida; e uma pluralidade de válvulas de alarme (14, 15, 16) controladas pelos sinais de ativação (s1, s2, s3), em que pelo menos uma das quais é disposta a jusante dos meios de distribuição (13), em que cada válvula de alarme (14, 15, 16) é capaz de fornecer o fluido piloto para ao dispositivo de sinalização (4).
BR112016029779-2A 2014-06-18 2015-06-17 Circuito hidráulico de segurança BR112016029779B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITMO20140180 2014-06-18
ITMO2014A000180 2014-06-18
PCT/EP2015/063639 WO2015193394A1 (en) 2014-06-18 2015-06-17 A safety hydraulic circuit

Publications (2)

Publication Number Publication Date
BR112016029779A2 true BR112016029779A2 (pt) 2017-08-22
BR112016029779B1 BR112016029779B1 (pt) 2022-05-24

Family

ID=51230057

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112016029779-2A BR112016029779B1 (pt) 2014-06-18 2015-06-17 Circuito hidráulico de segurança

Country Status (5)

Country Link
US (1) US10316495B2 (pt)
EP (1) EP3158135A1 (pt)
CN (1) CN106536944B (pt)
BR (1) BR112016029779B1 (pt)
WO (1) WO2015193394A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI129250B (en) 2018-07-12 2021-10-15 Novatron Oy Control system for controlling the machine tool
IT201800007591A1 (it) * 2018-07-27 2020-01-27 Atlantic Fluid Tech Srl Dispositivo per Controllare un Attuatore
CN109114051B (zh) * 2018-08-28 2019-12-31 武汉船用机械有限责任公司 变负载工装

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4284987A (en) * 1979-09-07 1981-08-18 The United States Of America As Represented By The Secretary Of Agriculture Slope stability warning device for articulated tractors
SE422315B (sv) * 1980-06-04 1982-03-01 Hiab Foco Ab Overlastskydd for hydrauliskt drivna kranar
DE3678905D1 (de) * 1985-11-27 1991-05-29 Oil Control Spa Hydraulische lastbegrenzungsvorrichtung fuer hydraulische krane.
US5160055A (en) * 1991-10-02 1992-11-03 Jlg Industries, Inc. Load moment indicator system
JP2002250055A (ja) * 2001-02-23 2002-09-06 Komatsu Ltd 建設機械車両とその表示装置
US6991119B2 (en) * 2002-03-18 2006-01-31 Jlg Industries, Inc. Measurement system and method for assessing lift vehicle stability
JP2007145471A (ja) * 2005-11-25 2007-06-14 Hitachi Constr Mach Co Ltd 建設機械の転倒防止装置
GB2471134B (en) * 2009-06-19 2012-10-10 Bamford Excavators Ltd Speed sensitive longitudinal load moment control of a working machine
WO2011049079A1 (ja) * 2009-10-19 2011-04-28 日立建機株式会社 作業機械
CN203157804U (zh) * 2013-03-20 2013-08-28 上海宝钢工业技术服务有限公司 自卸式运输车倾翻机构的液压***
CN203373804U (zh) * 2013-05-31 2014-01-01 徐州徐工挖掘机械有限公司 挖掘机防倾翻保护***

Also Published As

Publication number Publication date
CN106536944A (zh) 2017-03-22
WO2015193394A1 (en) 2015-12-23
US20170121941A1 (en) 2017-05-04
BR112016029779B1 (pt) 2022-05-24
CN106536944B (zh) 2019-04-16
EP3158135A1 (en) 2017-04-26
US10316495B2 (en) 2019-06-11

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Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 17/06/2015, OBSERVADAS AS CONDICOES LEGAIS