EP0601992B1 - Weichenantrieb mit einem hydraulischen Stellzylinder - Google Patents

Weichenantrieb mit einem hydraulischen Stellzylinder Download PDF

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Publication number
EP0601992B1
EP0601992B1 EP93890213A EP93890213A EP0601992B1 EP 0601992 B1 EP0601992 B1 EP 0601992B1 EP 93890213 A EP93890213 A EP 93890213A EP 93890213 A EP93890213 A EP 93890213A EP 0601992 B1 EP0601992 B1 EP 0601992B1
Authority
EP
European Patent Office
Prior art keywords
locking
switch
housing
swinging
point machine
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
Application number
EP93890213A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0601992A1 (de
Inventor
Manfred Baumruck
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alcatel Lucent Austria AG
Original Assignee
Alcatel Austria AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Alcatel Austria AG filed Critical Alcatel Austria AG
Publication of EP0601992A1 publication Critical patent/EP0601992A1/de
Application granted granted Critical
Publication of EP0601992B1 publication Critical patent/EP0601992B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B61L5/04—Fluid-pressure devices for operating points or scotch-blocks

Definitions

  • the invention relates to a point machine with a hydraulic actuating cylinder which is displaceably arranged in a housing and which is mechanically coupled to a slide housing which is connected to a push rod for the switch tongues, and with a locking hook fixed in relation to the housing for each of the two end positions of the switch, which engages in a rest in the assigned end position of the switch and can be brought out of engagement with its rest upon initiation of the adjustment of the switch.
  • Switch machines of the type mentioned are known for example from DE-B2 19 52 824, DE-B2 26 06 664 or DE-C2 30 20 788.
  • the changeover of the switches is generally initiated from an interlocking and, after the changeover has ended, is ended automatically, depending on the organs monitoring the end position of the switch tongues, the respective end position mostly being locked on the push rod.
  • this lock it is mostly irrelevant whether the driven switch should be openable or not, since the respective turnout drive is preferably designed so that it can be used for both variants with as few changes as possible.
  • the object of the present invention is to design a turnout drive of the type mentioned at the outset in such a way that the difficulties mentioned are avoided and that, in a structurally simple manner in particular, safe locking and unlocking of the turnout end positions is possible even in harsh environmental conditions without the need for this constructive effort becomes too great.
  • a locking lever which is pivotably mounted on the actuating cylinder on the one hand and on the other hand on the slide housing and whose effective length is variable, the free pivotability of which is provided by means of Stops on the slide housing is limited and which has two cam-like elevations on the side of the slide housing, at each of which in the area of the end positions there is a pivot bolt articulated on the slide housing with an actuating cam, which on the other hand has the catch for the associated locking hook fixed on the housing side.
  • the corresponding element (either cylinder or piston rod) of the actuating cylinder moves and rotates the one on the initially fixed push rod or on the one sitting on it Slider housing articulated, latched locking lever around its there Swivel axis. Since the locking lever can be freely pivoted between its stops on the slide housing, the latter is not taken along for the time being, so that the connecting rod that is either permanently connected in the event that the switch cannot be opened, or connected in the case of opening via a releasable coupling device is also not initially taken along.
  • each swivel bolt can be snapped into the respective locking hook via a spring-loaded engaging member arranged in the area of the associated end position of the switch, which enables the switch drive to be securely locked in the two end positions.
  • the above Engagement elements can be coupled to signaling or testing devices provided in the area of the end positions, which can indicate or report that the respective end position has been properly reached, for example, in a manner that is not particularly interesting here in the signal box or the like. These engaging members are particularly advantageous when the switch drive must definitely be locked in the end positions even at high switch speeds.
  • the loading spring of each engagement element can, for example, be arranged fixed to the housing - at the end assigned to the swivel bolt, roller-like or ball-like elements can be provided which improve the ease of movement of the entire arrangement.
  • both swivel latches bear with their actuating cam spring-loaded against the respectively assigned cam-like elevation of the latch lever and that the locking hooks have a beveled contact surface for the latching of the swivel latches, after overcoming this latching under the effect of the spring loading in the locking hook snaps into place.
  • Another development of the invention also aims in the same direction, according to which the pivotability of the pivot bolts in their unlocked position is limited by stops on the slide housing, so that, particularly in connection with the spring loading described above, the pivot bolts move in the direction of the associated ones cam-like elevations of the locking lever always result in defined positional relationships for the swivel bolts and the slider housing or the push rod are carried along in the unlocked position not only via the stop of the bolt lever on the slider housing but also via the stop of one of the swivel bolts on the slider housing or additionally supported can be.
  • the catch on each of the swivel bolts can be formed by a rotatably mounted roller, which offers advantages overall in particular with regard to the easy actuation of the point machine.
  • the slot-like recess like the sliding block, has oblique side walls relative to the axis of the locking lever, which, when lying on top of one another in a force-transmitting manner, adjust the switch substantially perpendicular to the direction of movement of the actuating cylinder lie.
  • FIGS. 1 to 3 the exemplary embodiments shown schematically in the drawing, with a partially cut or open switch drive in different positions of the switch not shown in FIGS. 1 to 3 and another exemplary embodiment in FIGS. 4 to 6 in a corresponding representation and in FIGS. 7 to 9 the detail of the slot-like recess with sliding block of another embodiment is shown.
  • the drawing is in particular also limited to elements necessary or helpful for the description of the invention, which on the other hand means that a large number of elements which are necessary or advantageous for the actual functioning of an entire switch machine of this type are omitted.
  • a hydraulic actuating cylinder 2 is arranged, the piston rod 3 is fixed in a manner not shown in the externally placed clamping caps 4, so that when the hydraulic connections 5 are acted upon appropriately via a hydraulic pump (not shown) Cylinder 6 from the left end position shown in FIG. 1 via one in FIG. 2 apparent middle position can be moved into the right end position shown in FIG. 3.
  • the connection of the hydraulic connections 5 to the working spaces in the cylinder 6 can run inside the piston rod 3, but is not shown here like the working spaces and the piston itself.
  • the actuating cylinder 2 is mechanically coupled to a slide housing 8 which is connected to a push rod 7 for the switch tongues (not shown further), which takes place via a locking lever 9 which is pivotably mounted on the actuating cylinder 2 on the one hand and on the slide housing 8 on the other hand and is variable in its effective length.
  • This locking lever 9 is articulated on the one hand to enable the aforementioned change in the effective length on the side of the actuating cylinder 2 to a sliding block 12 guided in a slot-like recess 10 along the lever axis 11 and on the other hand to a fixed axis of rotation 13 on the slide housing 8, its free pivotability being possible by means of Stops 14, 15 on the slide housing 8 is limited.
  • the swivel bolts 18, 19 are mounted on the slide housing 8 so as to be pivotable about axes of rotation 22 and each have a catch 23 on their side opposite the actuating cams 20, 21 with respect to this mounting, which latches cooperate with a locking hook 24, 25, which is fixed on the housing side, and are mounted here as rotatable Rollers 26 are formed.
  • Both swivel bolts 18, 19 are spring-loaded in a manner not shown here and, under the effect of this spring load, they rest with their actuating cam 20, 21 on the respectively assigned cam-like elevation 16, 17 of the locking lever 9.
  • the locking hooks 24, 25 have beveled contact surfaces 27 for the catch 23 or the roller 26 forming them here, wherein - with relative movement between the catch hook and catch in the illustration from left to right or vice versa, the roller 26 after overcoming the inclined contact surface 27 below Effect of the spring load of the corresponding swivel bolt engages in the locking hook or its recess.
  • the switch is reset from the position shown in FIG. 3 to the position shown in FIG. 1 in reverse.
  • the design of the soft drive according to FIGS. 4 to 6 differs from that according to FIGS. 1 to 3 essentially only in the way of ensuring that the respective pivot bolt 18, 19 is locked in its associated end position in the locking hooks 24, 25.
  • the swivel bolts are 18, 19 not spring-loaded in the manner described here in the direction of their actuating cams 20, 21 from the cam-like elevations 16, 17 of the locking lever 9, but are only pressed into the respective recess of the locking hook 24, 25 in the region of their assigned end position by spring-loaded engagement members 30 .
  • the latch-side end of each swivel bolt 18, 19 can be snapped into the respective locking hooks 24, 25, as shown in FIGS.
  • the engagement members 30 can also be connected or combined in a manner not shown here, for example with test bars or the like for reaching the end position of the point machine, which report the reaching of the respective end position in a manner not shown, for example to an interlocking or the like.
  • FIGS. 4 to 6 corresponds entirely to that according to FIGS. 1 to 3 - the same or at least functionally the same parts are also provided with the same reference numerals; with regard to the description of these parts and their function, reference is made to the above explanations relating to FIGS. 1 to 3.
  • the slot-like recess 10 of the locking lever 9, like the sliding block 12, has oblique side walls 31 relative to the axis 11 of the locking lever 9.
  • the force-transmitting side walls 31 are oblique to the axis of the actuating cylinder 2 or so too aligned to the axis of the push rod, so that there is a significant force component perpendicular to the axis of the actuating cylinder according to the laws of mechanics.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Actuator (AREA)
  • Railway Tracks (AREA)
  • Vehicle Body Suspensions (AREA)
  • Chairs Characterized By Structure (AREA)
  • Operation Control Of Excavators (AREA)
  • Valve Device For Special Equipments (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Braking Arrangements (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Servomotors (AREA)
  • Push-Button Switches (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Gear-Shifting Mechanisms (AREA)
  • Transplanting Machines (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Percussive Tools And Related Accessories (AREA)
EP93890213A 1992-11-04 1993-10-27 Weichenantrieb mit einem hydraulischen Stellzylinder Expired - Lifetime EP0601992B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT2178/92 1992-11-04
AT0217892A AT399697B (de) 1992-11-04 1992-11-04 Weichenantrieb mit einem hydraulischen stellzylinder

Publications (2)

Publication Number Publication Date
EP0601992A1 EP0601992A1 (de) 1994-06-15
EP0601992B1 true EP0601992B1 (de) 1995-09-27

Family

ID=3529387

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93890213A Expired - Lifetime EP0601992B1 (de) 1992-11-04 1993-10-27 Weichenantrieb mit einem hydraulischen Stellzylinder

Country Status (11)

Country Link
EP (1) EP0601992B1 (no)
AT (2) AT399697B (no)
CZ (1) CZ285759B6 (no)
DE (1) DE59300679D1 (no)
DK (1) DK0601992T3 (no)
ES (1) ES2081202T3 (no)
FI (1) FI934858A (no)
HU (1) HU211804B (no)
NO (1) NO301287B1 (no)
PL (1) PL172244B1 (no)
SK (1) SK280867B6 (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19631174A1 (de) * 1996-08-05 1998-02-12 Butzbacher Weichenbau Gmbh Stelleinrichtung
DE19735099A1 (de) * 1997-08-13 1999-02-18 Butzbacher Weichenbau Gmbh Stelleinrichtung
ES2184546B2 (es) * 2000-02-02 2003-12-01 Dimetronic Sa Dispositivo accionador de agujas ferroviarias para cambio de via.
CN111751740B (zh) * 2019-03-29 2023-07-28 深圳市瑞能实业股份有限公司 一种锁止机构及测试设备
AT526934B1 (de) * 2023-03-23 2024-09-15 Wiener Linien Gmbh & Co Kg Weichenstellvorrichtung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2623461B1 (fr) * 1987-11-23 1990-03-02 Alsthom Dispositif de motorisation d'un aiguillage
IT1242226B (it) * 1990-10-10 1994-03-03 Sasib Spa Dispositivo di manovra per deviatoi ferroviari, in particolare per linee ad alta velocita'

Also Published As

Publication number Publication date
NO301287B1 (no) 1997-10-06
SK280867B6 (sk) 2000-08-14
HU211804B (en) 1995-12-28
AT399697B (de) 1995-06-26
ATA217892A (de) 1994-11-15
NO933912L (no) 1994-05-05
PL172244B1 (pl) 1997-08-29
ES2081202T3 (es) 1996-02-16
ATE128424T1 (de) 1995-10-15
HUT66185A (en) 1994-10-28
NO933912D0 (no) 1993-10-29
CZ285759B6 (cs) 1999-11-17
DK0601992T3 (da) 1996-01-08
DE59300679D1 (de) 1995-11-02
FI934858A0 (fi) 1993-11-03
EP0601992A1 (de) 1994-06-15
PL300869A1 (en) 1994-05-16
CZ233093A3 (en) 1994-05-18
FI934858A (fi) 1994-05-05
SK121593A3 (en) 1994-06-08

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