WO1986006118A1 - Points d'aiguillage a trois voies pour chemins de fer - Google Patents

Points d'aiguillage a trois voies pour chemins de fer Download PDF

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Publication number
WO1986006118A1
WO1986006118A1 PCT/AU1986/000064 AU8600064W WO8606118A1 WO 1986006118 A1 WO1986006118 A1 WO 1986006118A1 AU 8600064 W AU8600064 W AU 8600064W WO 8606118 A1 WO8606118 A1 WO 8606118A1
Authority
WO
WIPO (PCT)
Prior art keywords
road
track
tongues
pair
switching points
Prior art date
Application number
PCT/AU1986/000064
Other languages
English (en)
Inventor
James Keith Glaspy
Original Assignee
James Keith Glaspy
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 James Keith Glaspy filed Critical James Keith Glaspy
Publication of WO1986006118A1 publication Critical patent/WO1986006118A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00—Switches; Crossings
    • E01B7/10—Frogs
    • E01B7/14—Frogs with movable parts

Definitions

  • railway tracks will also include, inter alia, tramway- and conveyor tracks.
  • the present invention resides in switching points for railway tracks to select ⁇ ively switch a first track road to second, third, or fourth track roads, the switching points including: a first pair of movable tongues arranged to move in unison; a second pair of movable tongues arranged to move in unison; and means operable to move the pair of tongues between respective first and second positions, so arranged that: when the first and second pair of tongues are both in their respective first positions, the first track road is switched to the second track road; when the first pair of movable tongues is in its first position and the second pair of movable tongues is in its second position, the first track road is switched to the third track road; and when the first and second pairs of movable tongues are both in their respective second positions, the first track road is switched to the fourth track road.
  • the third road is a continuation of the first road, and the second and fourth roads diverge to opposite sides of the first road e.g. as spur roads.
  • the inner curved track rails of the second and fourth road are provided as divergent con- tinuations of the respective rails of the first road.
  • the ends of the third road rails are spaced from, but aligned with, the first road rails and the ends of the outer curved track rails of the second and fourth roads are spaced inwardly from the ends of the third track rails.
  • the movable tongues of the first pair of tongues are hingedly mounted adjacent the end of the third track rail on the side of the fourth road and the outer track rail of the fourth road respectively, while the movable tongues of the second pair of tongues are hingedly mounted adjacent the ends of the third track rail on the side of the second road and the outer track rail of the second road respectively.
  • the free ends of the movable tongues engage, or lie against, the track rails of the first road at or adjacent to, the divergent of the first road track rails.
  • Suitable mechanical, electrical, hydraulic and/or pneumatic actuators, circuits and controls may be used to selectively move the pairs of movable tong ⁇ ues between their respective first and second positions.
  • the choice of this equipment may be tailored by the user to suit the controls and signals of the railway system.
  • FIG. 1 is a plan view of the switching points and a mechanical actuator therefore with the first road switched to the third road;
  • FIG. 2 is a sectional side view of the actuator taken on line 2-2 on FIG. 1;
  • FIGS. 3 and 4 correspond to FIGS. 1 and 2 with the first road switched to the second road;
  • FIGS. 5 and 6 correspond to FIGS. 1 and 2 with the first road switched to the fourth road;
  • FIG. 7 is a perspective view of the pairs of movable tongues
  • FIG. 8 is a front view of a manual actuator in its position switching the first road to the third road;
  • FIG. 9 is a side view of the actuator of FIG. 8; FIGS. 10 and 11 are views correspondind to
  • FIGS. 8 and 9 with the first road switched to the fourth road.
  • the switching points 10 of the present invention enable the first (or main) track road 11 to be selectively switched between the second, third and fourth track roads.12, 13, 14 respectively.
  • the third road 13 is a direct continuation of the first road 11.
  • the first road 11 has spaced rails 15 and 16 *, _ which are respectively connected to the inner curved 0 rails 17, 18 of the second and fourth roads 12, 14 via divergent joining rails 19 and 20.
  • the rails 21, 22 of the third track road 13 are aligned with, but spaced from the rails 15, 16 respect ⁇ ively, while the outer curved rails 23, 24 of the second 5 and fourth track roads 12, 14 are spaced inwardly, and commence adjacent the rails 21, 22, the gauge between the rails 17, 23 and 18, 24 for the track roads 12, 14 being maintained along their length.
  • clearance slots 25 to allow the passage of the wheel flanges on the rolling stock are provided in the conventional manner, together with the conventional heel plates 26 to maintain the wheels on the rails.
  • the switching points 10 includes two pairs of movable tongues 27, 28 between the divergent joining rails 19,20.
  • the first pair 27 of tongues 29, 30 are pivot ⁇ ally connected to the rails 22, 24 of the third and fourth track roads 13, 14 respectively, while the second pair 28 of tongues 31, 32 are pivotally connected to the rails 23, 21 of the second and third track roads 12, 13 respectively.
  • the tongues in each pair 27, 28 (connected by adjustable stabilizing links 33, 34) move in unison but the pairs are independently operable by suitable actuator arms 35, 36 connected to an actuator 37 to switch the first track road 11 to the second, third or fourth track roads.
  • the pairs of tongues 27, 28 are operated to bring both tongues 29 and 31 into engagement with the rail 16 of the first track road, while tongues 30 and 32 are simultaneously moved away from the rail 15, •, . thereby connecting the rails 15 and 16 of the first track road 11 to the rails 17, 23 respectively of the second'track road 12.
  • the actuator 37 moves the actuator arm 36 and is operated to move the pair of tongues 28, so that the tongue 31 is moved away from rail 16 and tongue 32 is moved into engagement with rail 15, thereby connect ⁇ ing the rails 15, 16 to rails 21, 22 of the third track road.
  • C First track road 11 to fourth track road 14 (see FIG. 5).
  • the actuator is now operated to move actuator arm 35, and thereby the pair of tongues 27 so that tongue 29 moves away from rail 16 and tongue 30 moves into engagement with rail 15.
  • the rails 15, 16 are now conn ⁇ ected to the rails 24, 18 respectively of the fourth track road 14.
  • the first track road 11 is easily and quickly switched to any one of the other track roads 12 to 14.
  • FIG. 7 illustrates the construction of the movable tongues 29-32, the outer tongues 29, 32 of the pairs 27, 28 respectively of conventional configuration for switch point tongues.
  • the inner tongues 31, 30 of the pairs 27, 28 are designed to nestle in against the inner faces of the outer tongues 29, 32 respectively.
  • the inner faces of the outer tongues may have an inclined upper portion or may be stepped to receive horizontal flanges on the inner tongues to provide supporting engagement between the movable tangles when railway rolling stock pass over the switching points.
  • the actuator arms 35, 36 and the stabilizer arms 33, 34 interconnecting the pair of tongues 27, 28 will be slidably journalled for smooth movement of the pairs of tongues as they are moved.
  • a mechanical actuator 37 suitable for oper ⁇ ating the switching points 10 is shown in FIGS. 1 and 2.
  • the actuator 37 has a main cog 38 rotatably journalled on a base 39 and driven by a motor M (which may be electric, hydraulic or pneumatic) and connected to the cog 38 by a suitable drive means 40.
  • the cog 38 has a machined track 41 in its upper face.
  • the track 41 has a circular centre arc 42, which extends from approximately 220° of rotation, connected to a circular inner arc 43 which extends for approximately 40 of rotation, by a pair of inwardly directed sections 44, 45 each of which extend for approximately 50° of rotation.
  • the actuator arras 35, 36 extend over the cog 38 and are slidably journalled in support posts 46.
  • a bearing 47 is provided on the underside of each actuator arm and the bearings 47 are engaged in the track 41 in the manner of cam followers.
  • an elongated nose 48 on the actuator arm 36 is slidably journalled in a bore (not shown) in actuator arm 35.
  • a second cog 48 rotatable about a vertical axis, is engaged with the cog 38 but has a diameter one-fourth the diameter of the latter.
  • a pair of locking bars 49 are selectively engageable in slots 50 in the actuator arms 35, 36 to lock the pairs of tongues 27, 28 in the respective first and second positions.
  • the locking bars 49 are supported in horizontal guides and are operated by a bellcrank 50 and link 51 connected to the cog 48. The operation of the actuator will now be described.
  • the motor M rotates the cog 38 in a clockwise direction.
  • both bearings 47 remain in outer arc 42 and neither actuator arm 35, 36 is moved.
  • cog 48 is rotated through 80° to cause locking bars 49 to be withdrawn from the slots 50 in the actuator arms.
  • the bearing on actuator arm 35 remains in the outer arc and so the first pair of tongues 27 remain in their first position (see FIGS. 1, 3).
  • the bearing on the actuator arm moves through the inwardly directed section 45, pulling the actuator arm 36 so that the second pair of tongues 28 are moved from their second position (see FIG.
  • cog 38 1) to their first position (see FIG. 3).
  • cog 48 completes the final 80 of its travel to cause the lock- ing bars 49 to re-engage the slots 50 in the actuator arms.
  • the rotation of the cog 38 is reversed (i.e. cog 38 is rotated in an anti-clockwise direction).
  • the cog 38 is rotated through 180° in either direction, the first track road 11 being switched to third track road 13 as an intermediate step.
  • the cog 38 may always be rotated in one direction or may be reversed to effect the switching of the points.
  • the actuator 52 has an A-shape frame 53 with a shaft 54 at its apex.
  • a control lever 55 is pivotally mounted on the shaft 54 and has a curved slot 56 in its lower portion.
  • a pair of primary levers 57, 58 are also pivoted on the shaft 54 and each has a pin 59 received in the slot 56.
  • Secondary levers 60, 61 are pivotally mounted on posts 62 on the frame 53 and each has a pin 64 at its upper end engaged in a slot 65 in the lower ends of the primary levers 57, 58.
  • Thrust springs 66 are connected by blocks 67 to the lower ends of the secondary levers 60, 61 to urge and retain them in either a vertical position or an inclined position (see FIG. 10).
  • a control wedge 71 is mounted on a pin 72 on the control lever 53, the pin being engaged in a slot 73 which enables the control wedge to move vertically.
  • a ' wedge gear 74 is mounted on a pin on the control lever and meshes with a control gear 75 fixed on the main shaft 54.
  • a wedge arm 76 inter ⁇ connects pins 77, 78 on the wedge gear 7 ⁇ and control wedge 71.
  • first track road 11 is switched to third track road 13, with the actuating arm 35 plac ⁇ ing the first pair of movable tongues 27 in their first position and the actuating arm 36 placing the second pair of tongues 28 in their second position.
  • control lever 53 To switch the first track road 11 to the fourth track road 14, the control lever 53 is swung to the left as shown in FIGS. 10 and 11. As the control lever 53 moves, the primary lever 57 moves inwardly and the wedge gear commences its rotation about the control gear 75 to lower the control wedge 71 via wedge arm 76.
  • slot 56 acts as a lost-motion connection to primary lever 58 so that actuating arm 36 is not moved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)

Abstract

Points d'aiguillage (10) pour chemins de fer destiné à aiguiller une première voie (11) sur une deuxième, une troisième et une quatrième voie (12, 13, 14) et comprenant deux paires de lames (27, 28) toutes deux mobiles entre respectivement la première et la deuxième position. Lorsque les deux paires de lames (27, 28) mobiles sont dans leur première position, la première voie (11) est aiguillée sur la deuxième voie (12); lorsque les deux paires desdites lames (27, 28) sont dans leur position fixe, la première voie (11) est aiguillée sur la quatrième voie (14), alors que la première voie (11) est aiguillée sur la troisième voie (13) lorsqu'une des deux paires de lames (27, 28) est dans sa première position et que l'autre paire (28) est dans sa deuxième position. Un dispositif d'actionnement (37) comprend une plaque à encoches ou un engrenage (38) entraîné par des bras d'actionnement (35, 36) destinés à déplacer la paire de lames (27, 28) entre la première et la deuxième position.
PCT/AU1986/000064 1985-04-09 1986-03-13 Points d'aiguillage a trois voies pour chemins de fer WO1986006118A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPH005585 1985-04-09
AUPH0055 1985-04-09

Publications (1)

Publication Number Publication Date
WO1986006118A1 true WO1986006118A1 (fr) 1986-10-23

Family

ID=3771034

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1986/000064 WO1986006118A1 (fr) 1985-04-09 1986-03-13 Points d'aiguillage a trois voies pour chemins de fer

Country Status (2)

Country Link
EP (1) EP0216824A1 (fr)
WO (1) WO1986006118A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20130308A1 (it) * 2013-02-28 2014-08-29 Rolic Internat S A R L Scambio per un impianto di trasporto a fune
CN105369697A (zh) * 2015-12-10 2016-03-02 湖南中创轨道工程装备有限公司 一种三开道岔
CN106087605A (zh) * 2016-08-02 2016-11-09 芜湖中铁科吉富轨道有限公司 一种有轨电车用三开岔心结构
CN106192610A (zh) * 2016-07-12 2016-12-07 芜湖中铁科吉富轨道有限公司 轨道三开道岔
CN106192611A (zh) * 2016-08-22 2016-12-07 芜湖中铁科吉富轨道有限公司 一种梯形道岔

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US536715A (en) * 1895-04-02 bailey
US855067A (en) * 1906-07-16 1907-05-28 Herbert A Streeter Railroad-switch.
GB397429A (en) * 1933-04-11 1933-08-24 Andre Faure Three way switches for portable or light railways
GB425149A (en) * 1934-06-13 1935-03-07 Martin Eichelgruen Improvements in and relating to point switches for field and light railways and the like
GB453692A (en) * 1936-02-20 1936-09-16 Erich Koy Improvements in switches for portable railways

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US536715A (en) * 1895-04-02 bailey
US855067A (en) * 1906-07-16 1907-05-28 Herbert A Streeter Railroad-switch.
GB397429A (en) * 1933-04-11 1933-08-24 Andre Faure Three way switches for portable or light railways
GB425149A (en) * 1934-06-13 1935-03-07 Martin Eichelgruen Improvements in and relating to point switches for field and light railways and the like
GB453692A (en) * 1936-02-20 1936-09-16 Erich Koy Improvements in switches for portable railways

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20130308A1 (it) * 2013-02-28 2014-08-29 Rolic Internat S A R L Scambio per un impianto di trasporto a fune
EP2772403A1 (fr) * 2013-02-28 2014-09-03 Rolic International S.a.r.l. Aiguille pour un système de transport par câble
US9114811B2 (en) 2013-02-28 2015-08-25 Ropfin B.V. Cable transportation system switch
CN105369697A (zh) * 2015-12-10 2016-03-02 湖南中创轨道工程装备有限公司 一种三开道岔
CN106192610A (zh) * 2016-07-12 2016-12-07 芜湖中铁科吉富轨道有限公司 轨道三开道岔
CN106087605A (zh) * 2016-08-02 2016-11-09 芜湖中铁科吉富轨道有限公司 一种有轨电车用三开岔心结构
CN106087605B (zh) * 2016-08-02 2018-02-06 芜湖中铁科吉富轨道有限公司 一种有轨电车用三开岔心结构
CN106192611A (zh) * 2016-08-22 2016-12-07 芜湖中铁科吉富轨道有限公司 一种梯形道岔

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Publication number Publication date
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