EP3380257A1 - Volumenstrom-regelventil - Google Patents
Volumenstrom-regelventilInfo
- Publication number
- EP3380257A1 EP3380257A1 EP16787882.6A EP16787882A EP3380257A1 EP 3380257 A1 EP3380257 A1 EP 3380257A1 EP 16787882 A EP16787882 A EP 16787882A EP 3380257 A1 EP3380257 A1 EP 3380257A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- channel
- piston
- pressure chamber
- control valve
- flow control
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/07—Adaptation of roll neck bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/07—Adaptation of roll neck bearings
- B21B31/074—Oil film bearings, e.g. "Morgoil" bearings
-
- 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
Definitions
- the invention relates to a flow control valve for controlling the
- volume flow of a fluid medium in two drainage channels Moreover, the invention relates to the use of such a flow control valve in a chock for rotatably supporting a roll neck of a roll in a roll stand for rolling preferably metallic rolling stock.
- Volume flow control valves are basically known in the art, such. From EP 1 452 381 A1, EP 1 653 132 B1, GB 815 622 A or DE 2051 949 A1.
- German patent application DE 2051 949 A1 discloses a volume flow control valve according to the preamble of
- Patent claim 1 discloses a flow control valve with a cylinder in the cavity of a dumbbell-shaped
- Double piston is guided axially displaceable.
- the double piston consists of a first and a second piston, which are interconnected via a tapered center piece. In the area of the tapered centerpiece is a central
- Cavity extend into and between which the double piston is held in a central position.
- a first and a second peripheral pressure chamber of the volume flow control valve are formed.
- Oil film storage for roll neck of a roll in a roll stand for rolling metallic rolling known in the art. The revealed there
- Chock comprises a bearing bush, which has a cylindrical
- the bearing bush On its inside, the bearing bush has, for example, two hydrostatic pockets arranged essentially in a common axial line, which can be fed with a coolant and / or lubricant via a non-return valve and via bores extending in the bearing bush or the chock. Throttles in the holes should ensure optimal hydrostatic bearing of the roll neck even in a tilted position of the roll neck in the bearing bush.
- throttles also called restrictors or diaphragms
- the throttles or restrictors are not suitable to distribute the volume flow of fluid medium or coolant and / or lubricant evenly on the two hydrostatic pockets, in particular not in an inclined position of the roll neck in the receiving space.
- the throttles or restrictors show high pressure losses, sometimes over 200 bar.
- the invention is based on the object, a known volume flow control valve, in particular for use in connection with a
- middle position also means symmetry position.
- the opening cross-sectional areas released by the two drainage channels are greater than zero; i.e. in this middle or Symmetrie ein the fluid medium can flow in any case; the drainage channels are not blocked in any case.
- This claimed embodiment of the volume flow control valve is the design prerequisite for the solution of the above object, namely the assurance that the volume flows in the first flow channel and in the second flow channel can be kept the same size, even at different pressure conditions in the flow channels.
- the length L of the center piece of the double piston is equal to the distance 2d of the center axes of the first and the second discharge channel.
- this claimed length of the center ensures that - when the double piston is in the center position - the first drain passage through the first piston of the double piston and the second
- Outflow channel are each only half closed by the second piston of the double piston.
- valve slide each suitably positioned or suitable, ie be moved in dependence on the pressure conditions in the drainage channels.
- the invention according to a second embodiment provides that a first pressure channel is provided for supplying the static pressure in the first flow channel into the second peripheral
- a first plunger in the first peripheral pressure chamber, is axially displaceable for acting on the first peripheral pressure chamber limiting end face of the first piston of the double piston, wherein the first plunger acted upon by the total pressure in the first flow channel and that in the second peripheral pressure chamber, a second plunger is mounted axially displaceable for acting on the second peripheral pressure chamber limiting
- the double piston automatically adjusts according to a balance of forces, which results from the pressure conditions and preferably also the spring forces in the two peripheral pressure chambers.
- a balance of forces which results from the pressure conditions and preferably also the spring forces in the two peripheral pressure chambers.
- the chock is characterized in that a volume flow control valve is provided according to the invention for controlling the volume flow of the coolant and / or lubricant as a fluid medium in the receiving space of the chock.
- Volume flow control valve is then connected to the first supply channel and the second flow channel is connected to the second supply channel for supplying the coolant and / or lubricant into the receiving space of the chock.
- the advantages of the claimed chock correspond to the advantages mentioned above with reference to the volume flow control valve according to the invention.
- volume flow control valve and the chock are the subject of the dependent claims.
- the description is attached to 3 figures, wherein
- FIG. 1 shows the volume flow control valve according to the invention
- FIG. 2 shows a detailed view of FIG. 1; and Figure 3 shows a chock for rotatably supporting a roll neck of a roll in connection with the control valve according to the invention.
- 1 shows the volume flow control valve 100 according to the invention. It consists essentially of a cylinder 1 10, in which a dumbbell-shaped
- Double piston 120 is mounted axially displaceable.
- the term "axial" is used in the sense of the invention for the direction of movement of the double piston
- the double piston 120 consists of a first piston 120-1 and a second piston 120-2, which are fixedly connected to one another via a tapered middle piece 126 As far as possible, the second piston bears sealingly against the cylinder wall
- a central pressure chamber 130 of the volume flow control valve 100 is formed in the region of the tapered center 126.
- a first peripheral pressure chamber 150-1 and a second peripheral pressure chamber 150 are formed 2, which are bounded in each case by the end faces of the first and second pistons facing away from the center piece 126.
- an inlet channel 160 is formed for supplying a fluid medium, for example one Coolant and / or lubricant by means of a pumping device 250 in the central pressure chamber 130.
- a fluid medium for example one Coolant and / or lubricant
- the first and the second outflow channel 170 - 1, 170 - 2 each have the same axial distance d on both sides of the inlet channel 160.
- the length L of the center piece 126 of the double piston 120 preferably corresponds to the distance 2d of the center axes of the first and the second Drain channel 170-1, 170-2. In this way, it is ensured that - when the double piston 120 is in a middle position - the first drain channel 170-1 through the first piston 120-1 and that at the same time the second
- Outflow channel 170-2 are closed by the second piston 120-2 so that both release the same opening cross-sectional area.
- a spring 140 is preferably arranged in each case to hold the double piston, in particular in non-operation of the flow control valve in a central position.
- the springs 140 do not prevent the basic possibility for axial displacement of the double piston 120 within the cylinder 1 10th
- the first peripheral pressure chambers 150-1, 150-2 of the flow control valve in a suitable manner applied with certain pressures become.
- the first peripheral pressure chambers 150-1, 150-2 of the flow control valve in a suitable manner applied with certain pressures become.
- Pressure chamber 150-1 subjected to the static pressure in the second drain line 170-2.
- the second peripheral pressure chamber 150-2 is subjected to the static pressure in the first drain channel 170-1.
- Actuation takes place via a respectively provided first and second pressure channel 180-1, 180-2. Furthermore, in the first peripheral pressure chamber 150-1, a first plunger 190-1 is axially slidably mounted for acting on the first peripheral
- Double piston During operation of the control valve, the first plunger 190-1 is acted upon via a pressure channel with the total pressure in the first discharge channel 170-1. Similarly, in the second peripheral pressure chamber 150-2, a second plunger 190-2 axially slidably mounted to act on the second peripheral pressure port 150-2 delimiting end face of the second piston 120-2 of the double piston. Analogously, the second plunger 190-2 is acted upon via a pressure channel with the total pressure in the second flow channel 170-2.
- the pressure channels are shown in Figure 1 as dashed lines.
- FIG. 2 shows the connection of the pressure channels for the static
- a fluid medium It may be a coolant and / or lubricant, which from the central pressure chamber 130 to a consumer, for. B. a chock for rotatably supporting a roll neck flows.
- the fluid medium within the flow channels shows a velocity distribution, as shown in Figure 2 by the reference numeral 1.
- a pitot probe is provided, which is oriented so that the fluid medium flows into the pitot probe.
- an opening is provided on the wall of the drain channel 170, which represents the end of the first and second pressure channels 180-1, 180-2 for detecting the static pressure pstat in the drainage channel.
- Double piston 120 automatically or automatically according to a
- End faces is exercised.
- the force exerted by the springs 140 on the same end faces has an influence on the balance of power.
- FIG. 3 shows the said application of the volume flow control valve 100 according to the invention in conjunction with a chock 200.
- the chock 200 is used for rotatably supporting a roll neck 300 of a roll in a rolling stand for rolling of rolling stock.
- the chock 200 has a cylindrical receiving space 210 in which the roll neck 300 is rotatably mounted.
- the cylindrical receiving space is typically of a
- Bearing bush 220 spanned, which is used as a wearing part in the chock 200.
- first flow channel 170-1 of the volume flow control valve also called first feed channel
- second flow channel 170-2 of the flow control valve also called second feed
- volume flow control valve 100 for the use of the volume flow control valve 100 according to the invention in conjunction with the chock 200, it is advantageous if the volume flow control valve is designed for pressures up to 2,000 bar.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Driven Valves (AREA)
- Safety Valves (AREA)
- Multiple-Way Valves (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Details Of Reciprocating Pumps (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015223013.9A DE102015223013A1 (de) | 2015-11-23 | 2015-11-23 | Volumenstrom-Regelventil |
| PCT/EP2016/076029 WO2017089067A1 (de) | 2015-11-23 | 2016-10-28 | Volumenstrom-regelventil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3380257A1 true EP3380257A1 (de) | 2018-10-03 |
| EP3380257B1 EP3380257B1 (de) | 2020-03-18 |
Family
ID=57208305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16787882.6A Active EP3380257B1 (de) | 2015-11-23 | 2016-10-28 | Volumenstrom-regelventil |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US10974296B2 (de) |
| EP (1) | EP3380257B1 (de) |
| JP (1) | JP6586526B2 (de) |
| CN (1) | CN108290189B (de) |
| DE (1) | DE102015223013A1 (de) |
| RU (1) | RU2691004C1 (de) |
| TW (1) | TWI616606B (de) |
| WO (1) | WO2017089067A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108908880B (zh) * | 2018-06-28 | 2020-06-30 | 滁州质顶机电科技有限公司 | 一种家用电器外壳用注塑模具 |
| BE1027205A9 (fr) * | 2019-04-17 | 2020-11-23 | Safran Aero Boosters Sa | Vanne fluidique passive de répartition de débits fixes |
| CN110274043B (zh) * | 2019-07-19 | 2024-07-30 | 优刻得科技股份有限公司 | 流量平衡装置 |
| CN119999519A (zh) * | 2025-03-12 | 2025-05-16 | 浙江宏业装备科技有限公司 | 一种用于蘑菇生产的处理液输送装置 |
Family Cites Families (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2266921A (en) * | 1940-05-07 | 1941-12-23 | Bendix Aviat Corp | Flow control valve |
| US2359615A (en) * | 1941-04-09 | 1944-10-03 | Wright Aeronautical Corp | Multisupercharger control system |
| US2643664A (en) * | 1948-10-20 | 1953-06-30 | Warren P Willett | Flow dividing valve |
| GB815622A (en) | 1955-12-09 | 1959-07-01 | Carrier Engineering Co Ltd | Improvements in or relating to valves for fluid flow systems |
| US2956577A (en) * | 1956-11-16 | 1960-10-18 | New York Air Brake Co | Valve |
| US3126233A (en) * | 1960-06-13 | 1964-03-24 | royle | |
| DE1251119B (de) | 1963-07-10 | 1967-09-28 | Sperry Rand Corp | Stromteiler |
| US3370602A (en) * | 1965-08-24 | 1968-02-27 | Int Harvester Co | Automatic flow diverter valve |
| US3422650A (en) * | 1967-02-23 | 1969-01-21 | Bliss Co | Gauge control for a rolling mill |
| US3616628A (en) | 1969-04-21 | 1971-11-02 | Ernst Weichel | Drive arrangement for reaper cutting apparatus |
| CH500415A (de) | 1969-06-28 | 1970-12-15 | Bosch Gmbh Robert | Stromregelventil |
| FR2063661A5 (de) * | 1969-10-24 | 1971-07-09 | Applic Mach Motrices | |
| JPS4836449B1 (de) | 1970-06-23 | 1973-11-05 | ||
| JPS50108442A (de) | 1974-02-05 | 1975-08-26 | ||
| JPS5497930A (en) * | 1977-10-17 | 1979-08-02 | Cam Gears Ltd | Valve assembly and auxiliary power steering system |
| DE2751082C2 (de) | 1977-11-16 | 1982-12-02 | Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen | Stromteilerventil für eine Hydraulikanlage |
| DE2752226C3 (de) * | 1977-11-23 | 1981-02-26 | Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen | Lenkventil für einen hydrostatischen Antrieb |
| DE2824538A1 (de) | 1978-06-05 | 1979-12-06 | Willi Eichholz | System einer druckoelversorgung fuer hydrostatische lager und fuehrungen |
| JPS588876A (ja) | 1981-07-07 | 1983-01-19 | Kyokuto Kaihatsu Kogyo Co Ltd | 分流弁 |
| US4666374A (en) * | 1983-01-11 | 1987-05-19 | Cooper Industries, Inc. | Methods and apparatus for producing uniform discharge and suction flow rates |
| US4877057A (en) * | 1986-03-12 | 1989-10-31 | Wormald, U.S. Inc. | Pressure equalizing valve |
| SE455431B (sv) | 1986-11-12 | 1988-07-11 | Cellwood Machinery Ab | Hydrostatisk axiallagring |
| US5165233A (en) * | 1991-03-28 | 1992-11-24 | Sauer, Inc. | Charge pressure priority valve |
| US5509391A (en) * | 1994-10-03 | 1996-04-23 | Caterpillar Inc. | Helmoltz isolation spool valve assembly adapted for a hydraulically-actuated fuel injection system |
| FR2755522B1 (fr) | 1996-11-05 | 1998-12-18 | Air Liquide | Dispositif de regulation de l'ecoulement de gaz ayant des masses molaires sensiblement differentes |
| DE10059386A1 (de) | 2000-11-30 | 2002-06-13 | Aixtron Ag | Verfahren und Vorrichtung zur dosierten Abgabe kleiner Flüssigkeitsvolumenströme |
| US6604859B1 (en) * | 2002-01-23 | 2003-08-12 | Morgan Construction Company | Bushing for oil film bearing |
| US20040157426A1 (en) | 2003-02-07 | 2004-08-12 | Luc Ouellet | Fabrication of advanced silicon-based MEMS devices |
| ES2272931T3 (es) | 2003-02-09 | 2007-05-01 | Rapid Technic Ag | Sistema de control para un dispositivo de accionamiento hidraulico. |
| DE10336894A1 (de) * | 2003-08-08 | 2005-03-10 | Sms Demag Ag | Ölfilmlager für Walzenzapfen mit hydrostatischer Unterstützung |
| DE102004052895B3 (de) | 2004-11-02 | 2006-06-01 | Siemens Ag | Dreiwegeventil |
| JP5143833B2 (ja) * | 2006-07-04 | 2013-02-13 | ルノー・トラックス | 油圧作動式弁制御システムおよびそのようなシステムを備える内燃機関 |
| US9016099B2 (en) | 2011-09-29 | 2015-04-28 | Siemens Industry, Inc. | Hybrid hydrodynamic and hydrostatic bearing bushing and lubrication system for rolling mill |
| BR112014008201A2 (pt) | 2011-10-04 | 2017-06-13 | Corts Eng Gmbh & Co Kg; | rolamento de filme de óleo |
| DE102012224511A1 (de) * | 2012-12-28 | 2014-07-03 | Sms Siemag Ag | Einbaustück zum Lagern einer Walze in einem Walzenständer |
-
2015
- 2015-11-23 DE DE102015223013.9A patent/DE102015223013A1/de not_active Withdrawn
-
2016
- 2016-10-28 RU RU2018114320A patent/RU2691004C1/ru active
- 2016-10-28 JP JP2018526648A patent/JP6586526B2/ja active Active
- 2016-10-28 US US15/778,463 patent/US10974296B2/en active Active
- 2016-10-28 WO PCT/EP2016/076029 patent/WO2017089067A1/de not_active Ceased
- 2016-10-28 CN CN201680066152.9A patent/CN108290189B/zh active Active
- 2016-10-28 EP EP16787882.6A patent/EP3380257B1/de active Active
- 2016-11-01 TW TW105135316A patent/TWI616606B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JP2018536127A (ja) | 2018-12-06 |
| CN108290189A (zh) | 2018-07-17 |
| TW201723368A (zh) | 2017-07-01 |
| RU2691004C1 (ru) | 2019-06-07 |
| JP6586526B2 (ja) | 2019-10-02 |
| CN108290189B (zh) | 2019-08-27 |
| WO2017089067A1 (de) | 2017-06-01 |
| US10974296B2 (en) | 2021-04-13 |
| DE102015223013A1 (de) | 2017-05-24 |
| EP3380257B1 (de) | 2020-03-18 |
| US20180345340A1 (en) | 2018-12-06 |
| TWI616606B (zh) | 2018-03-01 |
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