EP0645790B1 - Anordnung zur Betätigung der Endlagenschalter bei einem elektromotorisch betriebenen Linear-Verstellantrieb - Google Patents
Anordnung zur Betätigung der Endlagenschalter bei einem elektromotorisch betriebenen Linear-Verstellantrieb Download PDFInfo
- Publication number
- EP0645790B1 EP0645790B1 EP94250202A EP94250202A EP0645790B1 EP 0645790 B1 EP0645790 B1 EP 0645790B1 EP 94250202 A EP94250202 A EP 94250202A EP 94250202 A EP94250202 A EP 94250202A EP 0645790 B1 EP0645790 B1 EP 0645790B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- limit position
- switches
- drive
- switch
- actuating
- 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
- 238000004804 winding Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims 1
- 239000000700 radioactive tracer Substances 0.000 claims 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/16—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/10—Locking mechanisms for points; Means for indicating the setting of points
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H15/00—Switches having rectilinearly-movable operating part or parts adapted for actuation in opposite directions, e.g. slide switch
- H01H15/02—Details
- H01H15/06—Movable parts; Contacts mounted thereon
- H01H15/08—Contact arrangements for providing make-before-break operation, e.g. for on-load tap-changing
Definitions
- the invention relates to an arrangement in an electric motor Linear adjustment drive, especially point machine, as it is in the preamble of Claim 1 is defined in more detail.
- Such a point machine is e.g. from the AEG publication "Elektrohydraumaschinemaschinemaschinemaschinemaschine type A700 H A35.7.1 / 0686-785 known.
- 3 of the Drawing figures there is the point machine in a housing G and initially consists of a three-phase asynchronous motor 1, which is via a toothed belt drives a hydraulic pump 2.
- the hydraulic fluid is controlled via a control block 3 with pressure relief valves with a movable hydraulic cylinder 5 stationary piston supplied.
- the movable hydraulic cylinder 5, the engine, Pump and control block carries, moves with these parts when activated the stationary piston rod 4 and drives a via a driver 15 Ramp-up clutch 6.
- the latter is with the adjusting rod 7 mounted in the housing G. connected, which operates a switch not shown here.
- the point machine is currently shown in the right end position. In this It is in the state via a locking bolt 9 which is in the housing of the drive-on clutch 6 intervenes, locked. Another left locking bar 9 'is such.
- a trigger role 9'a on said locking bolt 9 '
- a release harness 9'b on the hydraulic cylinder 5
- the Lock 11 Via a release lever 12 with a feeler roller 8, which lies in a recess of the actuating rod 7, the Lock 11 an additional tester rod 10 not relevant here Movement of the control rod 7 can be canceled.
- Essential for understanding the Invention here is the actuation and interaction of the two Limit switches 13 and 13 'when the actuating rod 7 moves.
- Limit switch 13 e.g. in working position, roller switch 13 ' at rest. Both limit switches each have a break and a NO contact pair on.
- Switching the switch from the right end position shown takes place in various steps in which a switchover of the roller key switches 13, 13 ' he follows.
- the three-phase drive motor is an AC motor with an auxiliary winding switched.
- the limit switches are then set using the same contact pair position 13, 13 'with 220 V (380 V to zero) a two-phase start-up, which takes 0.5 s Holding time of a support relay (in the signal box) is ended, if not previously Switching of the right limit switch 13 was done.
- the discharge switch 13 will by moving the actuating rod 7 and the release lever 12, whereby the Motor windings connected in star with 380 V operating voltage from the start in go over to regular work. In this case, the point machine runs up to for latching in the left end position.
- FIG. 4 A circuit diagram of the test and start position is shown in FIG. 4.
- the limit switches may only be in a really latched end position Can submit order notification.
- the contact pairs of the limit switches when leaving their End position - here e.g. the right end position - do not switch, i.e. the return springs the switch is broken or the restoring force due to sticking of the contacts not enough.
- the switch there is no switchover from the start-up phase of the Motors in the working phase and the motor and also the switch remain after 0.5 s (Drop of the support relay) are in a central position that can be dangerous.
- the invention has for its object false reports due to adhesive or to ensure burned-in contacts with an arrangement that is one of shear forces allows free actuation of the switching mechanism in its direction of actuation.
- the new limit switch according to Fig. 1 is a slide switch with spring return executed and has in a known manner two pairs of bridge contacts 1-2 and 3-4.
- On the button axis 16 is a roller 17 placed, the groove 18 as a backdrop for one transverse actuating pin 19 is used by the known release lever 12 of the Point machine - as it has already been described for Fig. 3 - is moved.
- the width of the Groove 18 determines the start of the mechanical forced release of the limit switch 13 with every opening and closing process. It is against unwanted loosening Roll 17 on the pushbutton axis 16 appropriately spinned (20); the actuating pin 19 is pressed in the release lever 12 and possibly secured by other means.
- An additional Cover of the switch can prevent the actuating bolt 19 from falling out or the Protect roll 17.
- Fig. 2 shows - based on Fig. 3 - a functional overview of the point machine with the new forced actuation of the limit switches corresponding to Fig. 1.
- the reference numerals have essentially been retained.
- the point machine is also located here in legal position. It can be seen that the contacts according to the arrangement according to the invention even with strong sticking or sticking through the backdrop of roller 17 forced, i.e. be torn open from both switch positions.
- the usual spring return is only of minor importance. The beginning mentioned errors can no longer occur. Even if an actuating pin breaks 19 or loosening a limit switch 13 or 13 'screwed into the housing G. an error message signal would only result from the spring return.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Railway Tracks (AREA)
- Mechanisms For Operating Contacts (AREA)
- Vehicle Body Suspensions (AREA)
- Control Of Linear Motors (AREA)
- Control Of Position Or Direction (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Window Of Vehicle (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Description
- Fig. 1
- einen neu zu verwendenden Schalter im Detail
- Fig.2
- eine Funktionsansicht des Weichenantriebs mit der neuen Zwangsbetätigung der Endlagenschalter
- Fig. 3 + 4
- gehören zum Stand der Technik und wurden bereits erläutert
Claims (2)
- Anordnung zur Betätigung der Endlagenschalter bei einem elektromotorisch betriebenen Linear-Verstellantrieb, insbesondere einem Weichenantrieb, bei der der angetriebenen Stellstange in definierten Endlagen Auslösehebel zugeordnet sind, von denen in den Endlagen (rechts oder links) jeweils der eine Auslösehebel (12) mit einer fest verbundenen Tastrolle in eine ihm zugeordnete Ausnehmung in der Stellstange eingerastet ist, während der andere Auslösehebel (12') unter Querverschiebung ausgehoben hat und umgekehrt, wobei die Verschiebung der Auslösehebel die zugehörigen Endlagenschalter abwechselnd umschaltet, die als Taster mit Federrückstellung je ein Öffner- und Schließerkontaktpaar aufweisen und gemeinsam zur Bildung einer Prüfstromschleife, zum Umschalten der Motorwicklungen nach einer Anlaufphase auf Drehstrombetrieb sowie Abgabe von Ordnungsmeldungen beim Erreichen der Endlagen vorgesehen sind,
dadurch gekennzeichnet,
daß bei einer Verwendung von Schiebetastschaltern mit zusätzlicher mechanischer Zwangsbetätigung der Kontakte in beiden Schaltrichtungen für die Endlagenschalter (13, 13') jeder Endlagenschalter (13, 13') am Ende seiner Betätigungsachse (16) eine axial gerichtete Kulisse trägt, in die ein querliegender Betätigungsbolzen (19 bzw. 19') greift, der vom zugehörigen Auslösehebel (12, 12') bewegbar ist und dabei die Kulisse die Form einer Rolle (17) mit verbreiterter Laufrille (18) aufweist, wobei der Betätigungsbolzen (19, 19') in die Laufrolle (18) mit Axialspiel in Schalterbetätigungsrichtung eingreift. - Anordnung nach Anspruch 1,
dadurch gekennzeichnet,
daß die im Antriebsgehäuse (G) befestigten Endlagenschalter (13, 13') jeweils von einer Haube so umgeben sind, daß ein Abfallen oder Herausfallen der Rolle (17) oder Betätigungsbolzen (19, 19') selbst nach einem Lösen der Teile verhindert ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4333268A DE4333268C1 (de) | 1993-09-27 | 1993-09-27 | Anordnung zur Betätigung der Endlagenschalter bei einem elektromotorisch betriebenen Linear-Verstellantrieb |
DE4333268 | 1993-09-27 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0645790A2 EP0645790A2 (de) | 1995-03-29 |
EP0645790A3 EP0645790A3 (de) | 1995-09-06 |
EP0645790B1 true EP0645790B1 (de) | 1998-07-08 |
Family
ID=6499024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94250202A Expired - Lifetime EP0645790B1 (de) | 1993-09-27 | 1994-08-17 | Anordnung zur Betätigung der Endlagenschalter bei einem elektromotorisch betriebenen Linear-Verstellantrieb |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0645790B1 (de) |
AT (1) | ATE168220T1 (de) |
DE (2) | DE4333268C1 (de) |
ES (1) | ES2122155T3 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE186028T1 (de) * | 1995-03-17 | 1999-11-15 | Siemens Ag | Weichenantrieb |
ES2226507B2 (es) * | 2001-05-07 | 2005-10-16 | Dimetronic, S.A. | Comprobador de posicion de espadines ferroviarios. |
CN103887091A (zh) * | 2014-03-17 | 2014-06-25 | 人民电器集团江苏斯诺成套设备工程有限公司 | 一种便于调节的行程开关 |
CN105621098A (zh) * | 2014-11-03 | 2016-06-01 | 青岛富润玻璃有限公司 | 一种玻璃上片机的保护装置 |
CN105023777A (zh) * | 2015-08-27 | 2015-11-04 | 成都科盛石油科技有限公司 | 一种用于控制行程的机构 |
DE202018101643U1 (de) * | 2018-03-23 | 2019-06-27 | Hanning & Kahl Gmbh & Co. Kg | Weichenantrieb |
CN112635266B (zh) * | 2020-12-28 | 2022-11-22 | 安徽鼎业电气有限公司 | 电网10kv配电线路永磁智能断路器应急合闸装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE544704C (de) * | 1929-12-05 | 1932-02-22 | Scintilla Ag | Durch Axialverschiebung des Schaltgliedes betaetigter elektrischer Schalter |
DE2928194C2 (de) * | 1979-07-12 | 1981-09-17 | Siemens AG, 1000 Berlin und 8000 München | Weichenantrieb |
DE3150046C2 (de) * | 1981-12-17 | 1984-05-10 | Wilhelm Ruf KG, 8000 München | Elektrischer Schiebeschalter |
FR2645341B1 (fr) * | 1989-04-04 | 1991-06-07 | Telemecanique Electrique | Interrupteur electrique de fin de course a signalisation d'etat |
-
1993
- 1993-09-27 DE DE4333268A patent/DE4333268C1/de not_active Expired - Fee Related
-
1994
- 1994-08-17 DE DE59406400T patent/DE59406400D1/de not_active Expired - Lifetime
- 1994-08-17 ES ES94250202T patent/ES2122155T3/es not_active Expired - Lifetime
- 1994-08-17 EP EP94250202A patent/EP0645790B1/de not_active Expired - Lifetime
- 1994-08-17 AT AT94250202T patent/ATE168220T1/de active
Also Published As
Publication number | Publication date |
---|---|
DE4333268C1 (de) | 1995-02-16 |
EP0645790A3 (de) | 1995-09-06 |
EP0645790A2 (de) | 1995-03-29 |
ES2122155T3 (es) | 1998-12-16 |
DE59406400D1 (de) | 1998-08-13 |
ATE168220T1 (de) | 1998-07-15 |
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