JP2019533122A - 流出圧力バランス装置及び前記流出圧力バランス装置を備えた昇降装置 - Google Patents
流出圧力バランス装置及び前記流出圧力バランス装置を備えた昇降装置 Download PDFInfo
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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
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0416—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor with means or adapted for load sensing
- F15B13/0417—Load sensing elements; Internal fluid connections therefor; Anti-saturation or pressure-compensation valves
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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
- F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
- F15B11/05—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed specially adapted to maintain constant speed, e.g. pressure-compensated, load-responsive
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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
- F15B13/01—Locking-valves or other detent i.e. load-holding devices
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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
- F15B13/026—Pressure compensating valves
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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
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
- F15B13/0405—Valve members; Fluid interconnections therefor for seat valves, i.e. poppet valves
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/20—Control of fluid pressure characterised by the use of electric means
- G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
- G05D16/2013—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means
- G05D16/2024—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means the throttling means being a multiple-way 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B2013/002—Modular valves, i.e. consisting of an assembly of interchangeable components
- F15B2013/004—Cartridge valves
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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
- F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
- F15B2211/3053—In combination with a pressure compensating valve
- F15B2211/3055—In combination with a pressure compensating valve the pressure compensating valve is arranged between directional control valve and return line
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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
- F15B2211/40—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
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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
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40553—Flow control characterised by the type of flow control means or valve with pressure compensating valves
- F15B2211/40569—Flow control characterised by the type of flow control means or valve with pressure compensating valves the pressure compensating valve arranged downstream of the flow control means
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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
- F15B2211/40—Flow control
- F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
- F15B2211/41554—Flow control characterised by the connections of the flow control means in the circuit being connected to a return line and a directional control 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
- F15B2211/40—Flow control
- F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
- F15B2211/41563—Flow control characterised by the connections of the flow control means in the circuit being connected to a pressure source and a return line
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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
- F15B2211/40—Flow control
- F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
- F15B2211/41581—Flow control characterised by the connections of the flow control means in the circuit being connected to an output member and a return line
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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
- F15B2211/40—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
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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
- F15B2211/40—Flow control
- F15B2211/46—Control of flow in the return line, i.e. meter-out control
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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
- F15B2211/40—Flow control
- F15B2211/465—Flow control with pressure compensation
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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
- F15B2211/8606—Control during or prevention of abnormal conditions the abnormal condition being a shock
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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
- F15B2211/8613—Control during or prevention of abnormal conditions the abnormal condition being oscillations
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Abstract
Description
Claims (10)
- 流出圧力バランス装置(30)であって、前記流出圧力バランス装置(30)は、利用接続部(A)と、戻り流接続部(T)と、制御接続部(28)との形態を成す少なくとも3つの流体接続個所を備えた少なくとも1つの弁ハウジング(41)から成っており、前記弁ハウジング内で、エネルギーアキュムレータ(42)の作用に抗して弁ピストン(52)が長手方向移動可能に案内されていて、それぞれの開放位置又は制御位置から出発して弁座(94)へ向かって閉鎖位置へ移動するようになっており、前記閉鎖位置で前記制御接続部(28)と戻り流接続部(T)とが互いに分離されている形態の流出圧力バランス装置において、
前記制御接続部(28)に存在する流体圧力が圧力補償装置(70)によって前記弁ピストン(52)の圧力作用面(A1*)へ案内されていて、これにより、前記弁ピストン(52)が前記エネルギーアキュムレータ(42)の力に基づき圧力補償された状態で前記弁ピストンのそれぞれの開放位置又は調節位置に達するようになっていることを特徴とする、流出圧力バランス装置(30)。 - 前記弁座(94)が、前記弁ハウジング(41)に設けられた斜めに延びる座面(92)によって、前記弁ピストン(52)のための座密な漏れのないストッパを前記弁ハウジング(41)に形成しており、前記弁ピストンは、相応に斜めに形成された当接面(96)を有していることを特徴とする、請求項1に記載の流出圧力バランス装置(30)。
- 前記圧力補償装置(70)が圧力補償通路(72)を有しており、前記圧力補償通路が前記弁ピストン(52)内で案内されていて、前記圧力補償通路の一方の自由端部が前記弁ハウジング(41)の前記制御接続部(28)の方向に開口し、そして前記圧力補償通路の他方の自由端部が前記弁ピストン(52)に設けられた環状通路(74)内へ開口していることを特徴とする、請求項1又は2に記載の流出圧力バランス装置(30)。
- 前記弁ハウジング(41)内の前記弁ピストン(52)の衝突位置では、前記環状通路(74)が前記弁座(94)と戻り接続部(T)との間に配置されていることを特徴とする、請求項1〜3のいずれか1項に記載の流出圧力バランス装置(30)。
- 前記環状通路(74)が少なくとも1つの圧力作用面(A1*)を有しており、前記圧力作用面が前記弁座(94)の領域内で前記弁ピストン(52)の当接面(A2)と同じ大きさを有し、そして前記圧力作用面が、前記弁ピストン(52)の運動による少なくとも1回の圧刻動作並びに前記弁座(94)の幾何学的形成によって、前記弁ピストン(52)の、前記制御接続部(28)に向いた自由端面に設けられた制御面(A1)よりも常に大きいことを特徴とする、請求項1〜4のいずれか1項に記載の流出圧力バランス装置(30)。
- 前記圧力補償通路(72)が、前記弁ピストン(52)内の中心に又は中心から外れて配置された少なくとも1つの長手方向孔の形態、並びに前記長手方向孔と前記環状通路(74)との間の少なくとも1つの横方向孔(76)の形態を成して案内されており、前記環状通路(74)の方向に開く逆止弁(78)が前記それぞれの横方向孔(76)内に配置されていることを特徴とする、請求項1〜5のいずれか1項に記載の流出圧力バランス装置(30)。
- 前記環状通路(74)が断面で見て直線状に延びる溝基部(84)を前記弁ピストン(52)内に有しており、前記溝基部内には前記横方向孔(76)が開口しており、そして前記溝基部(84)から出発して、前記環状通路(74)が前記弁座(94)の方向に凸面状の湾曲(86)を備えており、他方の方向では、一定の傾斜輪郭を備えた傾斜面(88)を介して、前記弁ピストン(52)の外周面へ移行していることを特徴とする、請求項1〜6のいずれか1項に記載の流出圧力バランス装置(30)。
- 前記弁ピストン(52)が、前記圧力補償通路(72)とは反対側に、前室(60)と共に減衰装置(62)を備えており、前記前室がオリフィス又は絞りによって閉鎖されており、そして前記前室が、前記エネルギーアキュムレータとしての圧縮ばね(42)を備えたばね室(55)内へ開口しており、前記ばね室内へ前記弁ハウジング(41)の前記利用接続部(A)が開口していることを特徴とする、請求項1〜7のいずれか1項に記載の流出圧力バランス装置(30)。
- 前記弁ピストン(52)内の前記前室(60)が、前記減衰装置(62)の前記オリフィス又は絞りを介して、前記弁ハウジング(41)内に設けられた減衰室(64)内へ開口していることを特徴とする、請求項1〜7のいずれか1項に記載の流出圧力バランス装置(30)。
- 特に液圧式作業シリンダ(10)における使用、好ましくはテレスコピック・ハンドラ、フォークリフト、又は高所作業車における使用のための昇降装置であって、比例的な流量制御機能を発揮する少なくとも1つの比例絞り弁(22)と、前記比例絞り弁から出口側で接続された、請求項1〜9のいずれか1項に記載の流出圧力バランス装置(30)とから成る、昇降装置。
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DE102016012261.7 | 2016-10-13 | ||
DE102016012261.7A DE102016012261A1 (de) | 2016-10-13 | 2016-10-13 | Ablaufdruckwaage und Hub-Senkvorrichtung mit einer solchen Ablaufdruckwaage |
PCT/EP2017/001034 WO2018068876A1 (de) | 2016-10-13 | 2017-08-31 | Ablaufdruckwaage und hub-senkvorrichtung mit einer solchen ablaufdruckwaage |
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JP2019533122A true JP2019533122A (ja) | 2019-11-14 |
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US (1) | US10871177B2 (ja) |
EP (2) | EP3751153B1 (ja) |
JP (1) | JP6940603B2 (ja) |
CN (1) | CN109844325B (ja) |
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CN108869436A (zh) * | 2018-09-17 | 2018-11-23 | 宁波真格液压科技有限公司 | 一种配油阀 |
CN110778553B (zh) * | 2019-11-05 | 2021-07-09 | 山东金利液压科技有限公司 | 一种用于工程机械油缸的负载保持阀 |
DE102020203437A1 (de) | 2020-03-18 | 2021-09-23 | Zf Friedrichshafen Ag | Hydrauliksystem sowie Verfahren und Steuergerät zum Ermitteln eines Betriebszustandes des Hydrauliksystems |
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JPS63225701A (ja) * | 1987-02-18 | 1988-09-20 | ハイルマイア ウント バインライン ファブリク フュル オエル ハイドロリク ゲーエムベーハー ウント コンパニー,カーゲー | 液圧制御装置 |
JP3150474U (ja) * | 2009-02-27 | 2009-05-21 | 株式会社島津製作所 | 流量制御弁 |
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DE4119297C2 (de) * | 1991-06-12 | 2000-07-13 | Bosch Gmbh Robert | Hydraulische Ventileinrichtung zur Steuerung des Leerlaufs, der Druckbegrenzung und der Lastdruckkompensation |
DE4423644C2 (de) * | 1994-07-06 | 1998-10-01 | Buchholz Hydraulik | Hydraulische Steuervorrichtung |
CN1207184A (zh) * | 1996-11-13 | 1999-02-03 | 胡斯可国际股份有限公司 | 压力补偿液压控制阀系统 |
DE29713293U1 (de) | 1997-07-25 | 1997-10-23 | Heilmeier & Weinlein | Magnetbetätigtes Ablaßventil |
US7261030B2 (en) | 2004-09-09 | 2007-08-28 | Hydraforce, Inc. | Method and system for improving stability of hydraulic systems with load sense |
DE102009019552A1 (de) * | 2009-04-30 | 2010-11-11 | Hydac Fluidtechnik Gmbh | Proportional-Drosselventil |
FR2978508B1 (fr) * | 2011-07-29 | 2014-05-16 | Jtekt Hpi | Dispositif d'electrovalve adapte pour etre monte dans un circuit hydraulique |
DE102013206973A1 (de) * | 2013-04-18 | 2014-10-23 | Robert Bosch Gmbh | Steueranordnung |
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JPS63225701A (ja) * | 1987-02-18 | 1988-09-20 | ハイルマイア ウント バインライン ファブリク フュル オエル ハイドロリク ゲーエムベーハー ウント コンパニー,カーゲー | 液圧制御装置 |
JP3150474U (ja) * | 2009-02-27 | 2009-05-21 | 株式会社島津製作所 | 流量制御弁 |
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CN109844325A (zh) | 2019-06-04 |
JP6940603B2 (ja) | 2021-09-29 |
US20190249693A1 (en) | 2019-08-15 |
EP3526474B1 (de) | 2020-10-07 |
EP3526474A1 (de) | 2019-08-21 |
WO2018068876A1 (de) | 2018-04-19 |
CN109844325B (zh) | 2020-09-22 |
US10871177B2 (en) | 2020-12-22 |
DE102016012261A1 (de) | 2018-04-19 |
EP3751153A1 (de) | 2020-12-16 |
EP3751153B1 (de) | 2022-07-27 |
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