BR112014006915A2 - válvula de controle hidráulico, sistema de extensão de cilindro duplo e máquina de trabalho aéreo - Google Patents

válvula de controle hidráulico, sistema de extensão de cilindro duplo e máquina de trabalho aéreo

Info

Publication number
BR112014006915A2
BR112014006915A2 BR112014006915A BR112014006915A BR112014006915A2 BR 112014006915 A2 BR112014006915 A2 BR 112014006915A2 BR 112014006915 A BR112014006915 A BR 112014006915A BR 112014006915 A BR112014006915 A BR 112014006915A BR 112014006915 A2 BR112014006915 A2 BR 112014006915A2
Authority
BR
Brazil
Prior art keywords
control valve
hydraulic control
working machine
double cylinder
extension system
Prior art date
Application number
BR112014006915A
Other languages
English (en)
Inventor
Kong Demei
Lu Liangwei
Shi Xianxin
Xu Xiaodong
Original Assignee
Xuzhou Heavy Machinery Co Ltd
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 Xuzhou Heavy Machinery Co Ltd filed Critical Xuzhou Heavy Machinery Co Ltd
Publication of BR112014006915A2 publication Critical patent/BR112014006915A2/pt

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
    • F15B11/22—Synchronisation of the movement of 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
    • B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
    • 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
    • B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
    • B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
    • 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
    • F15B21/001—Servomotor systems with fluidic 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
    • F15B2211/30—Directional control
    • F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
    • F15B2211/3157—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line
    • F15B2211/31588—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line having a single pressure source and multiple output members
    • 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
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/327—Directional 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
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40523—Flow control characterised by the type of flow control means or valve with flow dividers
    • F15B2211/4053—Flow control characterised by the type of flow control means or valve with flow dividers using 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
    • F15B2211/705—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
    • F15B2211/7057—Linear output members being of the telescopic type
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87265—Dividing into parallel flow paths with recombining
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87265—Dividing into parallel flow paths with recombining
    • Y10T137/87507—Electrical actuator
BR112014006915A 2011-09-23 2012-02-16 válvula de controle hidráulico, sistema de extensão de cilindro duplo e máquina de trabalho aéreo BR112014006915A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110286496XA CN102287411A (zh) 2011-09-23 2011-09-23 一种液压控制阀、双缸伸缩系统及高空作业工程机械
PCT/CN2012/071203 WO2013040872A1 (zh) 2011-09-23 2012-02-16 一种液压控制阀、双缸伸缩系统及高空作业工程机械

Publications (1)

Publication Number Publication Date
BR112014006915A2 true BR112014006915A2 (pt) 2017-04-11

Family

ID=45334087

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014006915A BR112014006915A2 (pt) 2011-09-23 2012-02-16 válvula de controle hidráulico, sistema de extensão de cilindro duplo e máquina de trabalho aéreo

Country Status (5)

Country Link
US (1) US9541100B2 (pt)
EP (1) EP2759714A4 (pt)
CN (1) CN102287411A (pt)
BR (1) BR112014006915A2 (pt)
WO (1) WO2013040872A1 (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102287411A (zh) 2011-09-23 2011-12-21 徐州重型机械有限公司 一种液压控制阀、双缸伸缩系统及高空作业工程机械
CN103950854B (zh) * 2014-04-29 2016-10-05 北京市三一重机有限公司 三卷扬联动系统及工程机械
CN106314137B (zh) * 2015-06-16 2019-07-23 徐工集团工程机械股份有限公司 一种行走制动控制液压系统及剪叉式高空作业平台
ITUB20160056A1 (it) * 2016-01-22 2017-07-22 F Lli Festi Di Festi Roberto & C S N C Sistema per l'abbassamento di emergenza di una piattaforma di lavoro anche nella versione di carro per la raccolta della frutta, per il diradamento, la potatura ed altre operazioni relative al frutteto
CN105967076B (zh) * 2016-07-21 2017-12-08 三一汽车起重机械有限公司 一种双缸自由伸缩液压控制系统及其起重机
CN107061399B (zh) * 2017-02-21 2018-09-28 江苏恒立液压科技有限公司 分流集流阀
EP3564024B1 (en) 2017-07-18 2021-12-15 Ningbo Dema Intelligent Machinery Co., Ltd. Hydraulic machine for simultaneous pressing of a plurality of workpieces
CN112196853B (zh) * 2020-11-05 2022-08-16 上海航天控制技术研究所 液压能源控制阀块

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DE1222376B (de) 1963-03-11 1966-08-04 Westinghouse Bremsen Apparate Gleichlaufregeleinrichtung fuer zwei einfach wirkende hydraulische Arbeitszylinder
US3657969A (en) * 1970-07-10 1972-04-25 Case Co J I Hydraulic control system for extensible crane
US3760688A (en) * 1971-11-09 1973-09-25 Bucyrus Erie Co Synchronized control system for telescoping booms
JPS56109904A (en) * 1980-01-31 1981-08-31 Hitachi Constr Mach Co Ltd Hydraulic control circuit for hydraulic cylinder
JPS61103004A (ja) 1984-10-25 1986-05-21 Hitachi Constr Mach Co Ltd 油圧シリンダの制御回路
CN2066843U (zh) * 1989-12-01 1990-12-05 张文华 多功能组合式液压舵机
DE9318647U1 (de) * 1993-12-06 1994-02-17 Herion Werke Kg Hydraulische Steuerungs-Anordnung
JP3810184B2 (ja) * 1997-06-25 2006-08-16 豊興工業株式会社 油圧回路
US6189432B1 (en) 1999-03-12 2001-02-20 Hunter Engineering Company Automotive lift hydraulic fluid control circuit
CN201027299Y (zh) * 2007-02-15 2008-02-27 广西柳工机械股份有限公司 铣刨机立柱同步升降装置
CN201095572Y (zh) * 2007-08-20 2008-08-06 兰州金牛轨道交通装备有限责任公司 铁路起重机活动配重液压同步顶升机构
US20090094971A1 (en) * 2007-09-21 2009-04-16 Dantas Roy J System and apparatus to synchronize a plurality of hydraulically actuated components
DE102010025616A1 (de) * 2010-06-30 2011-02-10 Daimler Ag Hydraulische Versorgungsvorrichtung
CN201729641U (zh) * 2010-07-27 2011-02-02 徐州重型机械有限公司 举高作业车及其伸缩臂架组
CN201792744U (zh) * 2010-08-31 2011-04-13 三一重工股份有限公司 单泵双马达驱动工程车辆及其液压系统和控制装置
CN201953731U (zh) * 2010-11-24 2011-08-31 中原特种车辆有限公司 一种多缸同步工作控制系统
CN102287411A (zh) 2011-09-23 2011-12-21 徐州重型机械有限公司 一种液压控制阀、双缸伸缩系统及高空作业工程机械
CN202266535U (zh) * 2011-09-23 2012-06-06 徐州重型机械有限公司 一种液压控制阀、双缸伸缩系统及高空作业工程机械

Also Published As

Publication number Publication date
EP2759714A1 (en) 2014-07-30
US9541100B2 (en) 2017-01-10
CN102287411A (zh) 2011-12-21
US20150014093A1 (en) 2015-01-15
EP2759714A4 (en) 2015-09-02
WO2013040872A1 (zh) 2013-03-28

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according art. 34 industrial property law
B08F Application fees: dismissal - article 86 of industrial property law

Free format text: REFERENTE A 8A ANUIDADE.

B08K Lapse as no evidence of payment of the annual fee has been furnished to inpi (acc. art. 87)

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2553 DE 10/12/2019.