EP1218900B1 - Anordnung zur lagerung der schaltwelle eines niederspannungs-leistungsschalters und mehrpoliger niederspannungs-leistungsschalter mit einer anordnung zur lagerung der schaltwelle - Google Patents
Anordnung zur lagerung der schaltwelle eines niederspannungs-leistungsschalters und mehrpoliger niederspannungs-leistungsschalter mit einer anordnung zur lagerung der schaltwelle Download PDFInfo
- Publication number
- EP1218900B1 EP1218900B1 EP00967594A EP00967594A EP1218900B1 EP 1218900 B1 EP1218900 B1 EP 1218900B1 EP 00967594 A EP00967594 A EP 00967594A EP 00967594 A EP00967594 A EP 00967594A EP 1218900 B1 EP1218900 B1 EP 1218900B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bearing
- coupling levers
- bearing body
- voltage circuit
- actuating shaft
- 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
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H2003/326—Driving mechanisms, i.e. for transmitting driving force to the contacts using bearings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H2009/0088—Details of rotatable shafts common to more than one pole or switch unit
Definitions
- the invention is in the field of constructive design of a circuit breaker used in low voltage networks and is in one piece in the design of the storage trained switching shaft to apply such a switch.
- Low voltage circuit breakers have one or more Switching poles on.
- the fixed and movable switch contacts existing switching contact systems of these switching poles are usually mechanically connected to coupling levers arranged on a switching shaft common to all switching poles are.
- the one piece trained shift shaft equipped with all coupling levers regardless of the bearing assembly in its installed position be prepositioned.
- the selector shaft is in the edge open recesses perpendicular to the longitudinal axis of the Switch shaft arranged walls positioned.
- a shaft bearing which consists of two half shells, in used in the axial direction in each of the recesses.
- the selector shaft is outside the points of application of the switching forces are mounted radially.
- the location of the axial bearing is not mentioned (DE 44 16 090 C1).
- this object is achieved in that the bearing body comprising the selector shaft half-shell is attached to the front wall of the switching pole and that a first section of the bearing body between the coupling levers is arranged and lateral guide surfaces for the forms coupling lever connected to the selector shaft.
- This configuration allows the bearing assembly and the Switch shaft can be replaced independently at any time.
- the bearing assembly is simple and can therefore be manufactured inexpensively. It is still compact and can therefore be easily and space-savingly installed.
- the bearing of the selector shaft is largely as far as possible independent of tolerance, since the selector shaft is both radial and is also axially supported by the same bearing body.
- Stops for the on and off position of the switch contacts are therefore simple according to a development of the invention realizable that a second portion of the bearing body Coupling lever protrudes axially and stop surfaces for the coupling lever forms.
- the switching shaft is used in multi-pole low-voltage circuit breakers appropriately used in such a way that a bearing assembly at both ends of the selector shaft is assigned to the axially outer movable switching contacts. As a result, the bearing of the selector shaft is determined statically.
- FIG. 1 shows a bearing assembly with a bearing body designed according to the invention
- FIG. 2 shows a one-piece shift shaft with two bearing assemblies according to FIG. 1 arranged at its ends in a perspective view
- Figures 3 and 4 are sectional views of a bearing assembly arranged according to Figure 2
- a bearing assembly 1 has a bearing body 2 and a catching device 3.
- the bearing body 2 is in divided several sub-areas 4,5,6,7,71 and 72, which the Bearing of a control shaft 8 shown in Figure 2, the Stop of coupling levers 9 and 10 when switching on and off, the inclusion of the safety gear 3 and the attachment the bearing assembly 1 on a housing front wall 25 of the Switch poles serve.
- the shift shaft 8 is near its ends stored by two bearing assemblies 1 according to Figure 1.
- the mechanical connection of one, one outer switching pole associated, movable switching contact 11th serve and are arranged firmly on the control shaft 8, and at the same time for the axial mounting of the control shaft 8 be used.
- Each bearing assembly 1 has a first one Subarea 4, the axial width of which is the distance between the coupling levers 9 and 10 is adjusted.
- This first section 4 of the bearing body 2 thus protrudes with little axial play between the coupling lever 9 and 10 and includes the shift shaft 8 half-shell-shaped in a direction that the when switching on occurring forces is opposite.
- lateral guide surfaces 13 see FIG. 1 for those with the Shift shaft 8 fixed coupling lever 9 and 10.
- a second section 5 projects above the coupling levers 9 and 10 axially and forms stop surfaces 14 (see FIG. 1) and 15 for the coupling lever 9 and 10 to limit the movement of the Switching shaft 8.
- the safety gear 3 of each bearing assembly 1 has a catch hook 16, which during the switch-off process the two coupling levers 9 and 10 passing through bolts 17 (see also FIG. 4).
- a third area 6 of the bearing body 2 is in a window-like recess 18 of the catch hook 16 arranged on a bearing pin 19 and pivotable against the force of a wire spring 20 stored.
- the catch hook 16 and the wire bending spring 20 can thus be easy even before assembly of the bearing assembly 1 and can be integrated into the bearing assembly to save space.
- Figure 3 shows a section through the first and third Section 4 and 6 of the bearing body 2.
- the window-like Recess 18 for the catch hook 16 has a narrow upper Area 21 (see FIG. 1) and a wider lower one Area 22 (see FIG. 1).
- the narrow, upper area 21 is adapted to the width of the catch hook 16 and sets this up axially tight for a slight play.
- the wider, lower one Area 22 serves to additionally accommodate the wire bending spring 20.
- the coupling levers 9 and 10 are here in the on position.
- the two bearing assemblies 1 have further sub-areas 7, 71 and 72 (see also FIG. 1) bores 23 and by means of screw connections 24 with a positive and positive fit Housing front wall 25 of the switching poles connected.
- FIG. 4 shows a section through the second partial area 5 of the bearing body 2, which is axially outside the coupling lever 9 and 10 extends.
- the coupling levers 9 and 10 are located but here in the off position. At least one of the two coupling levers 9 and 10 is designed so that when switching off a portion 27 of the peripheral edge of this coupling lever on a first surface 14 of the Bearing body 2 bumps.
- At least one of the two coupling levers 9 and 10 can be one have hook-nose-like arm 28, which during the switch-on process onto a second surface 15 serving as a one-stop of the bearing body bumps.
- a one-stop is for example in current-limiting low-voltage circuit breakers needed.
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Breakers (AREA)
Abstract
Description
Figur 1 eine Lagerbaugruppe mit einem gemäß der Erfindung ausgebildeten Lagerkörper,
Figur 2 eine einstückig ausgebildete Schaltwelle mit zwei an ihren Enden angeordnenten Lagerbaugruppen gemäß Figur 1 in perspektivischer Ansicht,
Figuren 3 und 4 Schnittdarstellungen einer gemäß Figur 2 angeordneten Lagerbaugruppe
Claims (4)
- Anordnung zur Lagerung der Schaltwelle (8) eines Niederspannungs-Leistungsschalters,
bei der auf der einstückig ausgebildeten Schaltwelle (8) zwei Koppelhebel (9,10) zum mechanischen Anschluß eines, einem Schaltpol zugehörigen, bewegbaren Schaltkontaktes (11) mit Abstand zueinander angeordnet sind und bei der im Bereich der Koppelhebel (9,10) eine mit einer Gehäusevorderwand (25) des Schaltpols verbundene, einen Lagerkörper (2) aufweisende Lagerbaugruppe (1) angeordnet ist,
dadurch gekennzeichnet, daßder Lagerkörper (2) die Schaltwelle (8) halbschalenförmig umfassend an der Gehäusevorderwand (25) des Schaltpols befestigt ist undein erster Teilbereich (4) des Lagerkörpers (2) zwischen den Koppelhebeln (9,10) angeordnet ist und seitliche Führungsflächen (13) für die mit der Schaltwelle (8) verbundenen Koppelhebel (9,10) bildet. - Anordnung nach Anspruch 1,
dadurch gekennzeichnet, daß
ein zweiter Teilbereich (5) des Lagerkörpers (2) die Koppelhebel (9,10) axial überragt und Anschlagflächen (14,15) für die Koppelhebel (9,10) bildet. - Anordnung nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß
die Lagerbaugruppe (1) einen Fanghaken (16) aufweist, dessen Gegenstück ein die Koppelhebel (9,10) durchsetzender Bolzen (17) bildet, wobei der Fanghaken (16) in einer fensterartigen Ausnehmung (18) des Lagerkörpers (2) schwenkbar gelagert ist. - Mehrpoliger Niederspannungs-Leistungsschalter mit einer Anordnung zur Lagerung der Schaltwelle (8), bei dem zum mechanischen Anschluß jedes, einem Schaltpol zugehörigen, bewegbaren Schaltkontaktes (11) jeweils zwei Koppelhebel (9,10) auf der Schaltwelle (8) angeordnet sind und den beiden Koppelhebeln (9,10) der beiden axial äußeren bewegbaren Schaltkontakte (11) jeweils eine Lagerbaugruppe (1) mit einem gemäß einer der Ansprüche 1 bis 3 ausgebildeten Lagerkörper (2) zugeordnet ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19948716 | 1999-09-30 | ||
DE19948716A DE19948716C1 (de) | 1999-09-30 | 1999-09-30 | Anordnung zur Lagerung der Schaltwelle eines Niederspannungs-Leistungsschalters und mehrpoliger Niederspannungs-Leistungsschalter mit eienr Anordnung zur Lagerung der Schaltwelle |
PCT/DE2000/003261 WO2001024208A1 (de) | 1999-09-30 | 2000-09-15 | Anordnung zur lagerung der schaltwelle eines niederspannungs-leistungsschalters und mehrpoliger niederspannungs-leistungsschalter mit einer anordnung zur lagerung der schaltwelle |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1218900A1 EP1218900A1 (de) | 2002-07-03 |
EP1218900B1 true EP1218900B1 (de) | 2003-05-02 |
Family
ID=7925089
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00967594A Expired - Lifetime EP1218900B1 (de) | 1999-09-30 | 2000-09-15 | Anordnung zur lagerung der schaltwelle eines niederspannungs-leistungsschalters und mehrpoliger niederspannungs-leistungsschalter mit einer anordnung zur lagerung der schaltwelle |
Country Status (6)
Country | Link |
---|---|
US (1) | US6771151B1 (de) |
EP (1) | EP1218900B1 (de) |
CN (1) | CN1162883C (de) |
DE (2) | DE19948716C1 (de) |
HK (1) | HK1047351B (de) |
WO (1) | WO2001024208A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20103230U1 (de) | 2001-02-16 | 2002-06-20 | Siemens AG, 80333 München | Niederspannungs-Leistungsschalter mit einer Lageranordnung für die Schaltwelle |
DE10218938B4 (de) * | 2002-04-19 | 2004-07-01 | Siemens Ag | Anordnung zur Lagerung einer Schaltwelle eines elektrischen Schalters und Niederspannungs-Leistungsschalter mit einer Anordnung zur Lagerung der Schaltwelle |
DE10261853B3 (de) * | 2002-12-20 | 2004-04-22 | Siemens Ag | Leistungsschalter |
DE20307992U1 (de) * | 2003-05-16 | 2003-08-14 | Siemens AG, 80333 München | Endanschlagsanordnung für Schaltwellen von Niederspannungs-Leistungsschaltern |
DE10323094B3 (de) * | 2003-05-16 | 2004-08-12 | Siemens Ag | Leistungsschalter |
CN1324625C (zh) * | 2004-01-14 | 2007-07-04 | 拉森特伯有限公司 | 断路开关中的极轴支撑系统及用其安装极轴的方法 |
KR100689324B1 (ko) * | 2005-10-05 | 2007-03-08 | 엘에스산전 주식회사 | 다극 배선용 차단기 |
JP4816241B2 (ja) * | 2006-05-16 | 2011-11-16 | 富士電機機器制御株式会社 | 回路遮断器 |
US7569784B2 (en) * | 2006-10-13 | 2009-08-04 | Eaton Corporation | Electrical switching apparatus, and housing and integral pole shaft bearing assembly therefor |
CN101604600B (zh) * | 2009-06-05 | 2012-10-03 | 上海诺雅克电气有限公司 | 带辅助支撑件的多极断路器 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4416090C1 (de) * | 1994-04-20 | 1995-06-14 | Siemens Ag | Lageranordnung für eine Schaltwelle |
DE19739702C1 (de) * | 1997-09-04 | 1998-12-10 | Siemens Ag | Niederspannungs-Leistungsschalter mit einer Schaltwelle |
-
1999
- 1999-09-30 DE DE19948716A patent/DE19948716C1/de not_active Expired - Fee Related
-
2000
- 2000-09-15 US US10/089,304 patent/US6771151B1/en not_active Expired - Fee Related
- 2000-09-15 WO PCT/DE2000/003261 patent/WO2001024208A1/de active IP Right Grant
- 2000-09-15 DE DE50002011T patent/DE50002011D1/de not_active Expired - Lifetime
- 2000-09-15 CN CNB008136491A patent/CN1162883C/zh not_active Expired - Fee Related
- 2000-09-15 EP EP00967594A patent/EP1218900B1/de not_active Expired - Lifetime
-
2002
- 2002-12-11 HK HK02108983.0A patent/HK1047351B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
HK1047351A1 (en) | 2003-02-14 |
DE19948716C1 (de) | 2000-12-07 |
DE50002011D1 (de) | 2003-06-05 |
CN1377505A (zh) | 2002-10-30 |
US6771151B1 (en) | 2004-08-03 |
HK1047351B (zh) | 2005-01-07 |
EP1218900A1 (de) | 2002-07-03 |
CN1162883C (zh) | 2004-08-18 |
WO2001024208A1 (de) | 2001-04-05 |
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