EP2558345B1 - Active member of the hydraulic locking device equipped with mechanic locking and retention - Google Patents

Active member of the hydraulic locking device equipped with mechanic locking and retention Download PDF

Info

Publication number
EP2558345B1
EP2558345B1 EP11728766.4A EP11728766A EP2558345B1 EP 2558345 B1 EP2558345 B1 EP 2558345B1 EP 11728766 A EP11728766 A EP 11728766A EP 2558345 B1 EP2558345 B1 EP 2558345B1
Authority
EP
European Patent Office
Prior art keywords
piston
hollow
active member
retention
controlling
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.)
Active
Application number
EP11728766.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2558345A2 (en
Inventor
Dusan Navratil
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.)
Dt- Vyhybkarna A Strojirna AS
Original Assignee
Dt- Vyhybkarna A Strojirna AS
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 Dt- Vyhybkarna A Strojirna AS filed Critical Dt- Vyhybkarna A Strojirna AS
Priority to PL11728766T priority Critical patent/PL2558345T3/pl
Publication of EP2558345A2 publication Critical patent/EP2558345A2/en
Application granted granted Critical
Publication of EP2558345B1 publication Critical patent/EP2558345B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B61L5/10—Locking mechanisms for points; Means for indicating the setting of points
    • 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 technical solution deals with active member of the hydraulic locking device equipped with mechanic locking and retention equipment for the switch rails setting in the set of switches and setting of crossings with movable parts consisting the hollow piston and the controlling piston.
  • the locking devices known and used for setting of the turnout switch rails so far are the hook one, jaw and dovetail type and others, based on the principle to secure and keep the switch rails position adjacent to the stock rail at the position of single locking devices.
  • the electric-mechanic, or electric-hydraulic drives situated off the inter-rails space is applied.
  • the locking device control is carried out by means of bars situated under the rail foot.
  • the other known solution is with mechanic locks inside the hydraulic valve situated in space between rails.
  • the given kinds of locking device may be multiplied and their actuation is solved by means of set of couplers, which secure its drive and its synchronization, or the hydraulic system provides the actuation from the central power unit.
  • the multiple locking devices disadvantage is the set of bars alongside the track and their length dilating, which has impact to the flawless function of the turnout.
  • the known solutions with hydraulics inside the rail gauge do not have the mechanic signalling of the lock retention condition. It is known the solution inside the rail gauge, when its active member consists of hollow piston with inside positioned controlling piston, which secures the locking and retention. The equipment like this is reliably setting the switch rails and the movable points of the crossing, or else non-destructive trailing of the switch is not possible and the intelligible optical signalling of the locking and retention position is not adopted.
  • the retention sleeves are equipped with groove for the rule, laid into the frame connected with covers, or with a cylinder and where there is a different colour scale applied.
  • the active member of the hydraulic locking device consists of the cylinder 8 , which is equipped with peripheral bossing 44 , 45 for pro fastening sleeves (not illustrated). From the left and the right hand side is the cylinder 8 closed with covers 7 , 11 , which are equipped with filling hole 43 and connects with lock chamber 42. Through the covers 7 , 11 the hollow piston rods 6 , 12 are coming and there are connected with hollow piston 10 .
  • the locking segments 9 , 26 are the part of the hollow piston and there are freely movable in openings 14 , 46 adjusted in the hollow piston 10 and in the limiting positions of the hollow piston 10 are seated into appropriate lock chamber 42 in covers 7 , 11 .
  • the movable controlling piston 32 Inside the hollow piston 10 between the bottoms 47, 48 of hollow piston rods 6 , 12 it is situated the movable controlling piston 32. With controlling piston 32 are connect the piston rods 49, 50 penetrating the bottoms 47, 48 of the hollow piston rods 6 , 12. Inside the hollow piston rods 6 , 12 on slide bushings 16 , 25 of piston rods 49 , 50 there are situated the pressure springs 13 , 24 . The springs 13 , 24 are one side supported by the slide bushings 16 , 25 , where the end posts 19 , 20 are screwed on, connected with switch rails (not illustrated) and exert the pressure towards the slide bushings 16, 25 to the bottoms 47, 48 of the hollow piston rods 6 , 12 .
  • the part of the controlling piston 32 is the couple of one-way transfer valves 28, 29, which enable the working fluid transfer from one side of the piston 32 to the opposite side of the piston 32.
  • the active member setting optic indication is carried out by the mentioned rule 41, which is in movable way laid in the observational frame 38 . On the rule 41 it is situated the scale of different colours 37 , 39 , 40 .
  • the active member is provided equipped with sealing 30 to prevent the working fluid leakage.
  • the picture depicts position of the active member, when the right hand switch rail (not illustrated) fits tightly to the stock rail.
  • the switch setting into opposite position, when the right-hand switch rail is moved off the stock rail is initiated by the working fluid transfer into filling hole 43 in the cover 11 .
  • Transfer of the working fluid moves the controlling piston 32 into position, where the locking segment 26 is unlocked (retention-free) and consequently it is moved by the medium pressure to the extension 27 of the hollow piston 10 along the wedge area 36 from lock chamber 42 in the cover 11 (unlocking).
  • Following fluid pressure makes the hollow piston 10 move to the left-hand side, where the locking segment 9 gradually moves under lock chamber 42 in the cover 7 , into which is after controlling piston 32 movement completion inserted with its taper edge (locking).
  • the controlling piston 32 movement goes on until the stop block 47, when the retention of the segments is carried by means of extension 27 of the controlling piston 32 .
  • the hollow piston 10 movement is transferred via hollow piston rods 6 , 12 .
  • the controlling piston 32 movement is via hollow pins 23 , 35 transferred onto retention sleeves 1 , 18, consequently onto rule 41 and onto controlling circuits (not illustrated). Together with controlling piston 32 movement is in connection transfer of latches 3 , 33 in hollow pins 23 , 35 in grooves C onto head 15 , 21 .inner area.
  • the latches 3 , 33 are pressed onto the inner surface of the grooves C by means of springs 4 , 35 , which initiates the gripping force necessary to lock the piston 32 in the limiting position.
  • the hollow pins 23, 34 free transfer into both limiting positions is carried out by the oval grooves 17 , 22 in endings 19 , 20 .
  • the further pull of the remote switch rail (not illustrated) onto ending 20 in direction A initiates the movement of the locking segments 26 out of the lock chamber 42 along the taper edge 36 of the hollow cylinder 10 and its seating to the functional diameter of the piston extension 27 .
  • the controlling piston 32 fitting to the tapered head of the opposite locking segments 9 enables the following movement of the hollow piston 10 together with controlling piston 32 and with another locking segments 9 towards the left-hand stock rail (not illustrated).
  • the common operation of all parts is terminated in general position of piston rods making the suitable space for railway vehicle wheel-flange trailing.
  • the controlling piston 32 movement is transferred via hollow pins 23, 34 onto retention sleeves 18 , 1 as well. With retention sleeves is connected the slide rule for optical indication 41 , which coloured scale shows in the control frame 38 when looking in the direction B the current state of the cylinder retention.
  • the transfer valves 28 , 29 inside the controlling piston 32 enable within the time limited period of trailing the immediate transfer of the hydraulic fluid from one side of the transfer valve to another.
  • the transfer valves may be of whatever design just aiming to accelerate the turnout trailing process at most.
  • the hydraulic active member has advantageous utility for the control and trailing of the railway turnout switches and for the crossings with movable parts.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
EP11728766.4A 2010-04-14 2011-04-14 Active member of the hydraulic locking device equipped with mechanic locking and retention Active EP2558345B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11728766T PL2558345T3 (pl) 2010-04-14 2011-04-14 Aktywny człon hydraulicznego urządzenia blokującego z mechanicznym układem blokowania i zabezpieczenia

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CZ201022560U CZ20898U1 (cs) 2010-04-14 2010-04-14 Akcní clen hydraulického záveru s mechanickým uzamykáním a závorováním
PCT/CZ2011/000035 WO2011127874A2 (en) 2010-04-14 2011-04-14 Active member of the hydraulic locking device equipped with mechanic locking and retention

Publications (2)

Publication Number Publication Date
EP2558345A2 EP2558345A2 (en) 2013-02-20
EP2558345B1 true EP2558345B1 (en) 2018-04-04

Family

ID=42235501

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11728766.4A Active EP2558345B1 (en) 2010-04-14 2011-04-14 Active member of the hydraulic locking device equipped with mechanic locking and retention

Country Status (5)

Country Link
EP (1) EP2558345B1 (pl)
AU (1) AU2011240445A1 (pl)
CZ (1) CZ20898U1 (pl)
PL (1) PL2558345T3 (pl)
WO (1) WO2011127874A2 (pl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2996301A1 (fr) * 2012-09-28 2014-04-04 Telecommandes Mecaniques Par Cable Systeme de mesure de la position d'une piece mobile par rapport a une piece fixe
CZ30652U1 (cs) * 2017-04-06 2017-05-09 DT-výhybkárna a strojírna a.s., Výměnový závěr

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT401763B (de) * 1994-05-16 1996-11-25 Vae Ag Einrichtung zum verriegeln von beweglichen weichenteilen
AT403463B (de) * 1995-12-14 1998-02-25 Vae Ag Einrichtung zum sichern der endlagen von weichen- und kreuzungsstellantrieben
AT405925B (de) * 1997-05-27 1999-12-27 Vae Ag Einrichtung zum verriegeln der endlagen von beweglichen weichenteilen
DE19735099A1 (de) * 1997-08-13 1999-02-18 Butzbacher Weichenbau Gmbh Stelleinrichtung
AT407984B (de) * 1999-05-14 2001-07-25 Vae Ag Einrichtung zum verstellen und zum elastischen verriegeln von beweglichen weichenteilen

Also Published As

Publication number Publication date
WO2011127874A2 (en) 2011-10-20
EP2558345A2 (en) 2013-02-20
WO2011127874A3 (en) 2012-05-18
PL2558345T3 (pl) 2018-07-31
CZ20898U1 (cs) 2010-05-17
AU2011240445A1 (en) 2012-11-08

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