EP0829892B1 - Hydraulischer Antrieb - Google Patents
Hydraulischer Antrieb Download PDFInfo
- Publication number
- EP0829892B1 EP0829892B1 EP97115485A EP97115485A EP0829892B1 EP 0829892 B1 EP0829892 B1 EP 0829892B1 EP 97115485 A EP97115485 A EP 97115485A EP 97115485 A EP97115485 A EP 97115485A EP 0829892 B1 EP0829892 B1 EP 0829892B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- container
- hydraulic drive
- cylinder
- working
- piston
- 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.)
- Expired - Lifetime
Links
- 239000012530 fluid Substances 0.000 claims abstract description 18
- 238000004146 energy storage Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
- H01H33/30—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator
- H01H33/34—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator hydraulic
Definitions
- the invention relates to a hydraulic drive according to the preamble of the claim 1.
- Such a drive is known for example from EP 0 451 724 B1.
- the energy storage consists of a disc spring package with its spring force acts a piston that slides in a pressure cylinder and on which the disc spring opposite side of the pressure fluid space is provided.
- the drive piston for the switch is located on the side next to the pressure cylinder, so that this arrangement has a relatively large space requirement.
- the hydraulic drive according to EP 0 158 054 requires less space B1, in which the spring assembly acts on a piston with pull rods, through which the Grips through the drive piston rod.
- the pressure cylinder, the drive piston rod, the The drive cylinder chamber and the spring arrangement lie on one axis.
- the object of the invention is to provide a hydraulic drive of the type mentioned to create and in which the space utilization is improved.
- the container arrangement can be one comprise annular container body which concentrically surrounds the working cylinder.
- a flange edge can be provided on the working cylinder housing for fixing engages in a recess on the container body, so that by the spring arrangement the container body is pressed against the flange edge.
- a pump for generating the pressure fluid can also be in the container body be installed.
- the container arrangement have a number of container bodies which corresponds to the number of bores. With three holes, three container bodies are provided, which are even on the circumference distributed of the working cylinder attached to this.
- the working cylinder is hexagonal, wherein further components are attached to the hexagonal surfaces between the container bodies can be.
- the embodiment according to the invention offers the advantages of improved space utilization; the spring acts without a tie rod on the pressure pistons, so that therefore none Seals are required in the area of the tie rods.
- the energy is about one short distance to the working piston; the pressure pistons are practically directly on Piston.
- the cylinder body can be made drawn material or forging material and the individual container body for the pressure pistons can be made from easily machined semi-finished aluminum become.
- the hydraulic drive or hydraulic drive 10 has a cylinder body 11 for a working cylinder 12 in which a working piston 13 (also called a driving piston) is guided, to which a drive piston rod 14 connects, with which a high-voltage circuit breaker 15 can be operated.
- a working piston 13 also called a driving piston
- a drive piston rod 14 connects, with which a high-voltage circuit breaker 15 can be operated.
- Damping elements 16 and 17 are Damping elements 16 and 17, in the areas 18 and 19 and larger diameters than that of the drive piston rod 14 on both sides of the working piston 13 and dampen the movement of the working piston 13 at the end of its movement.
- a container body 20 with a larger one closes on the cylinder body 11 Diameter in which three holes 21 are housed, of which only a hole can be seen. These holes 21 are in a circle around the Center axis M-M of the hydraulic drive and are evenly distributed on this circle.
- a support ring 22 which is firmly connected to the cylinder housing 11.
- the cylinder housing 11 is surrounded by a pressure ring 23 which is movable on the outer surface of the cylinder housing 11 is guided; between the pressure ring 23 and the support ring 22 a spring arrangement 24 is provided, for example the spring arrangement of the hydraulic device corresponds to EP 0 451 724 B1 and is designed as a plate spring assembly can be.
- pressure pistons 25 are received by the spring arrangement 24 are moved in the direction of arrow D.
- a pressure fluid chamber 26 is provided on the side of each pressure piston Pump 27, which is driven by a motor 28, via a line 29 and Working cylinder 12 and a further line 30, 31 pressure fluid is supplied, whereby the pressure piston is pushed out of the bore 21 in the opposite direction of the arrow D. is and thereby tensioning the spring assembly 24.
- the lines 29, 30, 31 are in introduced the container body 20.
- Line 30 continues to a P port a reversing valve 32, which has a reversing slide 33, that of electromagnetic elements A and E is actuated in the switch-off or switch-on direction.
- Line 34 which is connected to the T-connection of valve 32, becomes the pressure fluid through a filter 35 to a low pressure tank 36, from where the pressure fluid from the pump 27 is fed back to the working piston or the working cylinder 12.
- Line 30 continues into line 38 which connects to the P port of the valve 32 is connected; the Z-connection of the valve is via a line 39 to the room of the cylinder 12 connected, which is on the side with the larger piston area.
- the Fig. 1 shows the switch in the off position.
- switch 15 When switch 15 is in the on position should be spent, then the pump 27 and the line 39 from the spring arrangement and the pressure piston with the corresponding position of the changeover valve 32 high pressure fluid pumped to both sides of the working piston 13; because the area of the working piston 13, to which the piston rod 14 connects, is smaller than that opposite surface, the working piston 13 and the piston rod 14 after moved up to close the switch 15.
- switch 15 When switch 15 is turned off then a connection between the line 39 is established via the valve 32 and 34 and the low pressure tank 36 created so that the space on the side with the larger piston area is relieved; the pressure fluid in the room with the smaller piston side presses the working piston 13 in the off position.
- the pressure fluid is both from the pump and from the energy storage device provided by the spring assembly 24 and the three pressure pistons 25 in the holes 21 is formed.
- the pressurized fluid located in rooms 26 is actuated then the working piston 13 in the manner described.
- Fig. 2 shows a detailed representation of a hydraulic drive in section, without Representation of the feathers.
- the cylinder body 11 contains the working cylinder 12 and inside the working cylinder 12, the working or drive piston 13 is guided.
- the support ring 22 is on the working cylinder 11 held by means of a threaded bush 40 which has a step 41, against which a recess 42 bears against the support ring 22.
- the threaded bush 40 is screwed onto an external thread 43 of the cylinder body 11.
- the working cylinder 12 is closed by means of a closure piece 44, the one Has blind hole 45 which is part of the working cylinder 12.
- a plurality of transverse bores 46, 47 are provided, in parallel to the working cylinder 12 run out lines that correspond to lines 39 and 29 respectively and have received the reference numbers 48 and 49 here.
- a container body at the opposite end also called container 50, which is arranged in the container housing or body 20 corresponds and has the bores 21, in each of which a pressure piston 25 is received is.
- container 50 There is a between the support piece 22 and the container housing 50 further pressure piece 23, and in between is the spring arrangement 24 (in Fig. 2 not shown).
- the end of the cylinder body 11 located at the top of the drawing has one Rim 51 which engages in a recess 52 on the container housing 50; if all Parts are put together and assembled by the spring assembly a pressure on the container housing via the pressure piece 23, the pressure piston 25 and the pressure fluid 50 exercised, so that this with its return against the Flange edge 51 creates and so the container housing 50 is held in position.
- the space 26 is connected via a bore 53 to a bore 54 in the cylinder body 11, which are aligned with one another and run radially to the cylinder body 11 and in open the working cylinder 12.
- the line 48 is with a transverse bore 55 a bore 56 connected to the Z-port of the changeover valve 32.
- the other holes that lead to the connections P and T are not shown in FIG. 2 shown.
- a lid 57 is placed on the free outer surface of the container housing 50, in which (not shown) the filter 35 is housed.
- the working cylinder 12 is on the piston rod side by means of a further closure piece 58 closed, through which the piston rod protrudes outwards and which engages in the cover 57 with the interposition of seals 59.
- the hydraulic drive 70 has a cylinder body 71 in which a working cylinder 72 is introduced, in which a working piston 73 moves, which in its structure and its mode of operation corresponds to that of the working piston 13.
- the cylinder body 71 is at its switch-side end, ie at the bottom, with a Socket 74 closed, which is held in place with a cover 75.
- Socket 74 In the field of Socket 74, that is to say at the end remote from the switch, has a cylindrical body 71 Recess 76, thereby forming an area 77 of reduced diameter which has an external thread 78 on which a cylindrical collar 79 of a sleeve 80 is screwed on.
- the sleeve 80 has two grooves arranged at a distance from one another 81 and 82, in which a force transmission member 83 or 83 'engages.
- the power transmission link 83 or 83 ' cooperates with a pressure ring 84, 84', as follows: the force transmission member 83 has a radially inwardly projecting ledge 85, which engages in the groove or groove 81, and a conical surface 86 against which a conical surface 87 engages the force introduction member 84.
- Power transmission member 83 divided into two ring halves, which are mounted in the Add condition to a ring.
- the conical surfaces 87, 86 are arranged such that the force introduction member 84 (also called the pressure ring) the force transmission member 83 partially concentrically surrounds.
- the pressure ring 84 surrounds the sleeve 80 on its outer surface. The same effect is also achieved with the elements 83 ', 84'.
- the Cylinder body 71 On the cylinder body, in the area of the switch-side end, the Cylinder body 71 has a section 88 which has a hexagonal profile on its outer circumference forms with six surfaces 89, 90, 91, 92, 93 and 94. In FIG. 3 the surface 92 is visible. At the surfaces 90, 92 and 94, container bodies 95, 97 and 99 are each with Screw connections 96, 98 and 100 attached. The container bodies 95, 97 and 99 are constructed the same, so that it is sufficient to show the container body 95 with reference to FIG. 3.
- the container body 95 is pot-shaped with a pot bottom 101 and a wall 102 which is cylindrical on the inside and, as can be seen in FIG. 4, on the outside is rectangular or square.
- a bore 103 is made in the wall, in which a pressure piston 104 is slidably guided.
- the open side of the container body 95 points to the end remote from the switch and is by means of a cover 105 tightly closed.
- the lid 105 has a bore 106 through which a piston rod 107, which is integrally connected to the pressure piston 104, projects through it.
- the cylinder body 71 is surrounded by a pressure body 108, which has a radial stop surface 109; is located between the pressure ring 84 and the pressure body 108 a disc spring arrangement.
- the pressure body 108 engages over the piston rod 107, so that when the pressure piston is pressed out of the container body 95 is, this tensions the spring assembly via the pressure body 108.
- the pressure body 108 can now be a ring; there is also a possibility that he has an annular section in the central region, on which arms are molded are that overlap the piston rods 107 of all three container bodies.
- the three container bodies 95, 97 and 99 are star-shaped on the cylinder body 71 in the latter Area 88 arranged; in between can be on the respective surfaces 91, 93 and 95 other hydraulic components can be molded.
- the individual pressure pistons are housed in removable container bodies and overall the arrangement 3 and 4 simple and modular structure, so that the assembly and revisions are easy to do.
- the working cylinder 72 at the switch end is closed with a bushing 115 through which the piston rod 73 'of the working piston 73 protrudes. Furthermore, an end cover 116 is provided, which acts as a low-pressure tank serves. In the same way are 71 cross and inside the cylinder body Longitudinal bores 117 and 118 are provided which serve as pressurized fluid lines.
Landscapes
- Actuator (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
Description
- Fig. 1
- eine schematische Darstellung des Hydraulikantriebes,
- Fig. 2
- eine Schnittansicht durch einen Hydraulikantrieb entsprechend der Ausführung gemäß Fig. 1,
- Fig. 3
- eine Schnittansicht einer weiteren Ausführungsform der Erfindung, und
- Fig. 4
- eine Aufsicht auf die Anordnung gemäß Pfeilrichtung IV.
Claims (11)
- Hydraulischer Antrieb insbesondere für einen Hochspannungsleistungsschalter, mit einem Arbeitszylinder (12), in dem ein Arbeitskolben (13) bewegbar ist, und mit einem eine Speicherfederanordnung (24) enthaltenden Energiespeicher, mit dem in einer Behälteranordnung (20) befindliches Fluid unter Druck gesetzt wird, wobei die Speicherfederanordnung (24) mit einem Ende sich am Zylindergehäuse (11) abstützt und mit ihrem anderen Ende auf ein bewegliches, das Arbeitszylindergehäuse (11) ebenfalls umgebendes Druckstück (23) einwirkt, dadurch gekennzeichnet, daß die ebenfalls das Arbeitszylindergehäuse (11) umgebende Behälteranordnung (20) wenigstens zwei axial verlaufende Bohrungen (21) umfaßt, in denen je ein Druckkolben (25) gleitend verschiebbar sind, an deren einer Stirnfläche das Druckstück (23) anliegt und an deren anderer Stirnfläche das Druckfluid ansteht.
- Hydraulischer Antrieb nach Anspruch 1, dadurch gekennzeichnet, daß drei Bohrungen mit jeweils einem Druckkolben vorgesehen sind.
- Hydraulischer Antrieb nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Behälteranordnung einen ringförmigen Behälterkörper (20) umfaßt, der den Arbeitszylinder (11) konzentrisch umgibt.
- Hydraulischer Antrieb nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß am Arbeitszylindergehäuse (11) ein Flanschrand (51) vorgesehen ist, der in einen Rücksprung (52) am Behälterkörper (50) eingreift, so daß durch die Federanordnung (24) der Behälterkörper (50) gegen den Flanschrand (51) gedrückt ist.
- Hydraulischer Antrieb nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß in dem Behälterkörper (50) eine Pumpe (27) zur Erzeugung des Druckfluids eingebaut ist.
- Hydraulischer Antrieb nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß an der Außenseite des Behälterkörpers (50) eine Umschaltventil (32) befestigt ist, und daß die Pumpe mit den Bohrungen (21), dem Umschaltventil (32) sowie mit dem Zylinderraum (12) auf beiden Seiten des Kolbens (13) über im Arbeitszylindergehäuse (11) und im Behältergehäuse (50) vorgesehene Bohrungen verbunden ist.
- Hydraulischer Antrieb nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß auf der Seite des Behälterkörpers (50), die etwa mit dem freien Ende des Arbeitszylinders (11) fluchtet, ein Deckel (57) befestigt ist.
- Hydraulischer Antrieb nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, daß die Behälteranordnung eine Anzahl von der Anzahl der Bohrungen (13) entsprechenden Behälterkörpern (95, 99, 110) umfaßt, die jeweils eine Bohrung aufweisen und die gleichmäßig am Umfang des Zylinderkörpers (71) verteilt an diesen befestigt sind.
- Hydraulischer Antrieb nach Anspruch 8, dadurch gekennzeichnet, daß die Berührungsfläche zwischen jedem Behälterkörper (95, 99, 110) eben ist und axial am Zylinderkörper (71) verläuft.
- Hydraulischer Antrieb nach einem der Ansprüche 8 und 9, dadurch gekennzeichnet, daß der Zylinderkörper (71) im Bereich der Behälterkörper (95, 99, 110) sechseckig ausgebildet ist, und daß an den Sechseckflächen des Zylinderkörpers (71), die zwischen den Behälterkörpern (95, 99, 110) liegen, weitere Hydraulikkomponenten wie Umschaltventil, Niederdrucktankpumpenvorrichtung und dgl. befestigt sind.
- Hydraulischer Antrieb nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß die Federanordnung (24) durch Tellerfedern gebildet ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19637052 | 1996-09-12 | ||
| DE19637052A DE19637052A1 (de) | 1996-09-12 | 1996-09-12 | Hydraulischer Antrieb |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0829892A1 EP0829892A1 (de) | 1998-03-18 |
| EP0829892B1 true EP0829892B1 (de) | 1999-01-13 |
Family
ID=7805354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97115485A Expired - Lifetime EP0829892B1 (de) | 1996-09-12 | 1997-09-08 | Hydraulischer Antrieb |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0829892B1 (de) |
| JP (1) | JP4008544B2 (de) |
| KR (1) | KR100479651B1 (de) |
| DE (2) | DE19637052A1 (de) |
| TW (1) | TW385461B (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012069112A1 (de) | 2010-11-26 | 2012-05-31 | Abb Technology Ag | Antriebssteuerung für hochspannungsschaltgeräte |
| DE202016100443U1 (de) | 2015-12-23 | 2016-02-16 | Abb Technology Ag | Speichermodul für einen hydromechanischen Federspeicherantrieb |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19637051A1 (de) * | 1996-09-12 | 1998-03-19 | Abb Patent Gmbh | Hydraulischer Antrieb |
| DE102006041250A1 (de) * | 2006-09-02 | 2008-03-06 | Abb Technology Ag | Antriebseinheit |
| DE102007062291A1 (de) * | 2007-10-16 | 2009-04-23 | Abb Technology Ag | Hydraulischer Federspeicherantrieb |
| DE102008004063A1 (de) | 2008-01-12 | 2009-07-16 | Abb Technology Ag | Hydraulischer Antrieb |
| DE102008024097A1 (de) | 2008-05-17 | 2009-11-19 | Abb Technology Ag | Leistungsschalterantrieb |
| DE102008032143A1 (de) | 2008-07-08 | 2010-01-14 | Abb Technology Ag | Hydraulischer Federspeicherantrieb |
| DE102008035871B4 (de) | 2008-08-01 | 2011-03-24 | Abb Technology Ag | Nockenscheibe und Federwegschalter für einen Federspeicherantrieb sowie Federspeicherantrieb |
| DE102008050674A1 (de) * | 2008-10-07 | 2010-04-08 | Abb Technology Ag | Hydromechanischer Federspeicherantrieb |
| DE102009015881A1 (de) * | 2009-04-01 | 2010-10-07 | Abb Technology Ag | Hydromechanischer Antrieb für elektrische Leitungsschalter |
| DE102010054665B3 (de) | 2010-12-15 | 2012-02-02 | Abb Technology Ag | Speichermodul für einen hydraulischen Federspeicherantrieb |
| DE102011011311A1 (de) | 2011-02-15 | 2012-08-16 | Abb Technology Ag | Antrieb für einen Hochspannungsleistungsschalter |
| US8736288B2 (en) * | 2011-05-16 | 2014-05-27 | Teradyne, Inc. | Liquid cooling during testing |
| DE102012011130A1 (de) | 2012-06-05 | 2013-12-05 | Abb Technology Ag | Arbeitszylinder für einen Antrieb eines elektrischen Leistungsschalters |
| DE102013010496A1 (de) * | 2012-10-18 | 2014-04-24 | Abb Technology Ag | Hubabhängig schaltendes elektrisches Schaltgerät mit verlängerter Schalthysterese |
| DE102013005621B4 (de) * | 2013-04-04 | 2021-05-06 | Abb Power Grids Switzerland Ag | Verriegelungsvorrichtung für einen hydromechanischen Federspeicherantrieb einer gasisolierten Schaltanlage |
| CN112145500B (zh) * | 2020-09-25 | 2022-05-03 | 宁波赛福汽车制动有限公司 | 一种闭环控制液压系统及控制方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3408909A1 (de) * | 1984-03-10 | 1985-09-12 | BBC Aktiengesellschaft Brown, Boveri & Cie., Baden, Aargau | Hydraulischer antrieb |
| DE3611497A1 (de) * | 1986-04-05 | 1987-10-08 | Bbc Brown Boveri & Cie | Antriebsvorrichtung fuer sf(pfeil abwaerts)6(pfeil abwaerts)-hochspannungsleistungsschalter |
| DE3611501A1 (de) * | 1986-04-05 | 1987-10-08 | Bbc Brown Boveri & Cie | Antrieb zur erzeugung einer linearen bewegung fuer einen verbraucher |
| DE4011445A1 (de) * | 1990-04-09 | 1991-10-10 | Abb Patent Gmbh | Hydraulischer antrieb |
-
1996
- 1996-09-12 DE DE19637052A patent/DE19637052A1/de not_active Withdrawn
-
1997
- 1997-08-26 KR KR1019970040879A patent/KR100479651B1/ko not_active Expired - Lifetime
- 1997-09-08 EP EP97115485A patent/EP0829892B1/de not_active Expired - Lifetime
- 1997-09-08 DE DE59700075T patent/DE59700075D1/de not_active Expired - Lifetime
- 1997-09-11 JP JP24716297A patent/JP4008544B2/ja not_active Expired - Fee Related
-
1998
- 1998-03-04 TW TW086110845A patent/TW385461B/zh not_active IP Right Cessation
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012069112A1 (de) | 2010-11-26 | 2012-05-31 | Abb Technology Ag | Antriebssteuerung für hochspannungsschaltgeräte |
| DE102010052481A1 (de) | 2010-11-26 | 2012-05-31 | Abb Technology Ag | Antriebssteuerung für Hochspannungsschaltgeräte |
| DE102010052481B4 (de) | 2010-11-26 | 2023-07-06 | Hitachi Energy Switzerland Ag | Hochspannungsschaltgerät |
| DE202016100443U1 (de) | 2015-12-23 | 2016-02-16 | Abb Technology Ag | Speichermodul für einen hydromechanischen Federspeicherantrieb |
| WO2017108403A1 (de) | 2015-12-23 | 2017-06-29 | Abb Schweiz Ag | Speichermodul für einen hydromechanischen federspeicherantrieb |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4008544B2 (ja) | 2007-11-14 |
| EP0829892A1 (de) | 1998-03-18 |
| DE19637052A1 (de) | 1998-03-19 |
| TW385461B (en) | 2000-03-21 |
| KR19980024180A (ko) | 1998-07-06 |
| DE59700075D1 (de) | 1999-02-25 |
| KR100479651B1 (ko) | 2005-07-18 |
| JPH10184610A (ja) | 1998-07-14 |
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