EP2069184A2 - Mechanism for operating switch points - Google Patents
Mechanism for operating switch pointsInfo
- Publication number
- EP2069184A2 EP2069184A2 EP07848235A EP07848235A EP2069184A2 EP 2069184 A2 EP2069184 A2 EP 2069184A2 EP 07848235 A EP07848235 A EP 07848235A EP 07848235 A EP07848235 A EP 07848235A EP 2069184 A2 EP2069184 A2 EP 2069184A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- needle
- cam disk
- mechanism according
- housing
- cylinder
- 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.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 40
- 238000006073 displacement reaction Methods 0.000 claims description 21
- 230000000295 complement effect Effects 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- B61L5/02—Mechanical devices for operating points or scotch-blocks, e.g. local manual control
-
- 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
Definitions
- the present invention relates to the field of railway infrastructure, in particular the operation of switches and has for object a mechanism for maneuvering needles.
- the operation of the needles of a switch is carried out by means of a mechanism comprising a driving motor of a control block actuating the needles in the direction of a displacement to the right or to the left.
- the existing mechanisms have either a motor of the hydraulic or mechanical cylinder type, or a geared motor-rod-crank, cam or worm and nut, this motor or geared motor unit operating, by via the control block, a control bar constituted by two half-bars and carrying out the translation and the setting of the needles.
- This translation and the corresponding setting of the needles are controlled by means of two other bars, each assigned to a needle connected thereto, said bars being driven by the needles and stalling them in the service position.
- control unit also realizes the setting of the needles, thanks to a spring stabilization means, whose operation is carried out according to the principle of a bistable flip-flop, which has the effect of maintaining alternately the needles in the application position against the corresponding counter-needle rail.
- these mechanisms also include, most often, a manual control for direct action on the control and locking block.
- the present invention aims to overcome these disadvantages by providing a needle actuating mechanism for simultaneously and independently ensure the maneuver and the setting of the needles.
- the subject of the invention is a needle-handling mechanism, comprising a cylinder control unit actuating two half-bars for operating the needles, each connected to a needle, by a device for setting the needles and by An order manual connection to the actuator control assembly, characterized in that the two actuating rods of the needles are actuated by the actuator control unit by means of rotary cam actuators each assigned to a half-bar and that the needle setting device is a device independent of the needle half-bars and controlled by the actuator control assembly.
- FIG. a perspective view of the operating mechanism according to the invention
- FIG. 2 is a view from above, on a larger scale, of the actuator control assembly, the rotary devices for driving the half-operating bars and the device for setting the needles
- FIG. 3 is a view in perspective, also on a larger scale, representing the rotating devices for driving the half-bars.
- FIG. 1 of the attached drawings shows a needle operating mechanism comprising a cylinder actuating assembly 1 actuating two half-bars 2 for operating the needles (not shown), each connected to a needle, by a setting device 3 hands and by a manual control 4 connected to the assembly 1 cylinder control.
- the actuation of the two half-bars 2 for maneuvering the needles by the cylinder control assembly 1 is carried out by means of rotary cam drive devices 5 each assigned to a half-bar operating device 2 and the device 3 for setting the needles is a device independent of the half-bars 2 for maneuvering the hands and controlled by the control assembly with cylinder 1.
- Each rotary camming device 5 assigned to a half-maneuvering bar 2 consists of a stack, on a vertical shaft 6, of a first cam disk 7 cooperating with the cylinder control assembly 1 and with the device 3 for setting the needles, for the setting in position of the latter, by a second disc 8 cooperating with the first cam disk 7 and with the device 3 for setting the needles, for the release of the setting in position of said needles, by a spring stabilizing means 9 acting, at one end, on the second cam disk 8 and pivotally mounted in the casing housing 10 of the mechanism, and by a lever 40 for controlling the half-bar 2 for maneuvering the needle, also secured in rotation with the vertical shaft 6.
- the drive devices 5 are identical and mounted symmetrically to the longitudinal axis of the cylinder control assembly 1, in order to achieve the displacement and setting right or left perfectly. synchronous and needle positioning.
- the first cam disk 7 is rotatably mounted on the vertical shaft 6 and cooperates, on the one hand, with the cylinder control assembly 1 via a first drive pin 11 engaged in a corresponding drive groove 12 of a slider 13 integral with the cylinder 1 'of the assembly 1 and, secondly, with the second cam disk 8 by means of a second drive pin 14, integral with said first cam disk 7 and engaging in a corresponding curvilinear groove 15 of said second cam disk 8.
- the first cam disk 7, which is rotated by the slider 13 of the cylinder 1 'of the assembly 1 at the translation displacement of the latter drives each second cam disk 8 in rotation and, as a result, the vertical shaft 6 integral with this second cam disk 8, via the second drive pin 14 engaged in the curvilinear groove 15.
- the spring stabilizing means 9 is provided at its end acting on the second cam disk 8 with a drive shaft 16 passing through a corresponding bearing of said second cam disk 8, its opposite end being pivotally mounted in a bearing 17. of the casing 10.
- a spring stabilizing means operates according to the principle of a toggle joint, that is to say that it has two stable end positions of pivoting, in which it maintains the second cam disk 8.
- lever 40 for controlling the half-bar 2 for maneuvering the needle, which is secured in rotation with the vertical shaft 6, is mounted on the latter by one end and is provided, in the direction of its end opposite, an oblong groove 18 housing a support 19 of a roller 20 adjustable in position.
- the roller 20 cooperates with an end plate 21 of the half-bar 2 for maneuvering the needle through an oblong guide 22 of said plate 21, extending perpendicularly to the longitudinal axis of the half -barre 2.
- the lever 40 for controlling the half-bar 2 for maneuvering the needle is driven in the same direction of rotation by said shaft 6 and its roller 20 , housed in the oblong guide 22 of the plate 21, drives the latter in a translational movement along the longitudinal axis of the half-bar 2 having the effect of a corresponding displacement of the latter and thus the needle connected thereto . Due to the possibility of adjusting the position of the roller 20, the stroke of the hand to be maneuvered can be easily adjusted.
- the device 3 for setting the needles is formed by two independent assemblies each assigned to a needle and each consisting of at least one half-bar 30 connected at one end to the corresponding needle, guided in the housing 10 and provided at its other end.
- a stop 31, by a shim 32 intended to cooperate, in the application position of the corresponding needle against the rail, with the stop 31 and secured with a slide 33 guided in a support 34 fixed in the housing 10 of housing of the mechanism, this slider 33 cooperating, at one end, with the first and second cam discs 7 and 8, respectively via a roller 35 and a setting shaft 36 coaxial with the roller 35, and at its other end with a complementary locking means 300, a return spring 38 housed in the support 34 applying the slide 33 against said cam discs 7 and 8.
- the half-bar 30 connected to the corresponding needle is thus moved with the latter, so that its stop 31 moves in the same direction and can be wedged in the application position of the needle against the corresponding rail, as will be described later.
- the second cam disk 8 is advantageously provided, on its edge facing the stub shaft 36 of the slider 33, with a housing 8 'for locking the coaxial wedging shaft 36 in the locking position of the half-bar 30 by pressing the shim 32 against the corresponding face of the stop 31, when the corresponding needle is applied against the rail.
- the first cam disk 7 is provided on its edge with two identical cams 7 ', arranged symmetrically with respect to the radius passing through the axis of the second drive pin 14 and intended to cooperate with the roller 35 of the slider 33 for the clearance of the coaxial wedging shaft 36 from the housing 8 ', before a maneuver for stalling or for unlocking the stall.
- the second pin 14 of the first cam disk 7 is positioned in the curvilinear groove 15 of the second cam disk 8 at one end thereof, such that the beginning of the rotational movement of the first cam disk 7 is effected without driving the second cam disk 8, the second driving pin 14 moving in the curvilinear groove 15.
- the roller 35 of the slider 33 is stressed, from the beginning of the rotation of the first cam disk 7, by the cam 7 'of the latter and is moved against the action of the return spring 38 of the slide 33.
- the complementary locking means 300 of the needle setting device 3 consists, for each independent assembly assigned to a needle, in a lever 301 pivotally mounted in the casing 10 of the mechanism and actuated by via a rod 302 pivotally mounted at its opposite end to that in connection with the lever 301 on a sliding member 303 guided in displacement, parallel to the longitudinal axis of the cylinder 1 'of the assembly 1 control with a jack on a guide support 304 secured to the support 34 for guiding the slide 33, and in a means 305 for moving the sliding element 303, integral with the jack 1 of the jack control assembly 1 , the lever 301 being applied in the extreme positions of operation of the needles, by its free end, on the slider 33, at the end opposite to that carrying the roller 35 and the coaxial wedging shaft 36.
- the complementary locking means of each independent set is formed by elements having identical functions but, for some of them, a different constitution.
- the lever 301 is articulated in the housing 10 by an axis passing therethrough at a distance from its two ends, the link 302 being articulated on said lever 301 at its end opposite to that intended to actuate the slide 33, while the sliding element 303 is in the form of a simple slide against which rests the drive means 305 integral with the cylinder the control assembly with cylinder 1 for the locking in the operating position of the slide 33, the displacement in the opposite direction of said sliding element 303 being simply effected following the tilting of the lever 301 under the effect of the displacement of the slide 33, when the means 305 is released from its support on said sliding element 303.
- This embodiment corresponds to that shown in the lower part of FIG. 2 and in the upper part of FIG. 3.
- the lever 301 is articulated in the housing 10 by an axis passing through it at one end, the link 302 being articulated on said lever 301 at a distance from its two ends, whereas the sliding member 303 is in the form of a slider provided with a curved driver 303 'cooperating formally with the drive means 305 secured to the cylinder 1' of the cylinder control assembly 1 for its displacement to a position unlocking the slider 33 (shown in FIGS. 2 and 3), or to a locking position of said slider 33.
- the drive means 305 integral with the jack 1 'of the jack control assembly 1 is constituted by two identical rollers mounted on either side of the jack 1', parallel to its longitudinal axis and with an offset between them in the direction of the longitudinal axis (see Figures 1 and 2 of the accompanying drawings). It is clear from FIG. 2 that with regard to the complementary locking means 300, shown in the upper part of FIG. 2, the lever 301 is actuated directly in the same direction as the displacement of the jack 1 and the drive means 305.
- This complementary locking means 300 makes it possible to obtain additional safety as regards the setting of the needles in the operating position, because it ensures the positioning of the coaxial wedging shaft 36 in the housing 8 ', even in the case where the return spring 38 fitted to the slide 33 is damaged or destroyed, following fatigue or other mechanical incident.
- the mechanism according to the invention operates as follows:
- the slider 13 secured to the cylinder drives it by its driving grooves 12 the first drive pin 11 of the first cam disk 7.
- the cam disk 7 rotates on the vertical shaft 6, its second drive pin 14 moving freely in the curvilinear groove 15 of the second cam disk 8.
- the cam 7 'of the first cam disk 7 facing the roller 35 of the slide 33 moves said roller 35 against the action of the return spring 38 of the slide 33 in the direction of disengagement of the coaxial wedging shaft 36 from the housing 8 'of the second cam disk 8.
- the corresponding shim 32 is disengaged from the consecutive path of the stop 31 mounted on the half-bar 30 assigned to the corresponding needle, so that the movement of this half-bar 30 is made possible.
- the second drive pin 14 of the first cam disk 7 moves in the curvilinear groove 15 of the second cam disk 8, without driving the latter, so that the needles remain fixed.
- the second drive spindle 14 reaches the end of its free stroke in the curvilinear groove 15, that is to say in abutment with the end of this groove, the second cam disk 8 is driven in rotation and with it the vertical shaft 6, which then rotates the control lever 40 of the half-bar 2 maneuvering the needle and moves the latter to its closed position or to its open position.
- the spring-stabilizing means 9 When, during this rotation, the spring-stabilizing means 9 exceeds its unstable equilibrium position, it causes a rapid rotational displacement of the second cam disk 8 which, in turn, makes up for the first cam disk 7 due to the cooperation of the second drive pin 14 of said first disk 7 with the curvilinear groove 15 of the second disk 8.
- This rapid rotation causes the closing of one of the needles by contact with the corresponding counter-needle rail, as well as a corresponding displacement of the corresponding half-bar 30 of the wedging device 3.
- the second disk 8 is moved into the position of engagement of the coaxial wedging shaft 36 in the housing 8 ', which has the effect that the slider carrying it performs a displacement such that it places the shim 32, which it is provided, behind the stop 31 equipping the corresponding half-bar 30 of the needle applied against the counter-needle rail and prevents thus prevents any movement in the opposite direction of said half-bar.
- the first cam disk 7 drives the second cam disk 8 until the coaxial blocking shaft 36 is perfectly matched with the bottom of the housing 8 'and the drive means 305 integral with the cylinder 1' of the cylinder control assembly 1 drives the sliding element 303 in the direction of a movement of the lever 301. allowing locking in position of the slider 33, the coaxial wedging shaft 36 is positioned in the housing 8 'of the first cam disk 8.
- a needle-actuating mechanism in which all the actuating movements of the half-bars of the needle controls are carried out by rotation or by rotation, all the internal movements of the mechanism being , moreover, independent of the running of the needles.
- the latter is adjusted to the final stage, when they are closer to the needles, which consequently reduces the influence of the internal games, in particular by fatigue, over a long period.
- the mechanism according to the invention has an almost total construction symmetry allowing the use for the maneuver and the setting of each needle of a maximum of identical parts, which reduces manufacturing costs and facilitates maintenance .
- access to the mechanism is facilitated and all parts of the latter are perfectly accessible visually to maintenance personnel, no layer of functional elements being inaccessible.
Landscapes
- Mechanical Engineering (AREA)
- Engineering & Computer Science (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Transmission Devices (AREA)
- Mechanisms For Operating Contacts (AREA)
- Mechanical Control Devices (AREA)
- Switches With Compound Operations (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Push-Button Switches (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Surgical Instruments (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL07848235T PL2069184T3 (en) | 2006-09-14 | 2007-09-13 | Mechanism for operating switch points |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0653738A FR2905922B1 (en) | 2006-09-14 | 2006-09-14 | MECHANISM FOR MANEUVERING NEEDLES |
PCT/FR2007/001496 WO2008031956A2 (en) | 2006-09-14 | 2007-09-13 | Mechanism for operating switch points |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2069184A2 true EP2069184A2 (en) | 2009-06-17 |
EP2069184B1 EP2069184B1 (en) | 2011-09-28 |
Family
ID=37907251
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07848235A Active EP2069184B1 (en) | 2006-09-14 | 2007-09-13 | Mechanism for operating switch points |
Country Status (10)
Country | Link |
---|---|
US (1) | US7913956B2 (en) |
EP (1) | EP2069184B1 (en) |
CN (1) | CN101528527B (en) |
AT (1) | ATE526221T1 (en) |
DK (1) | DK2069184T3 (en) |
FR (1) | FR2905922B1 (en) |
MA (1) | MA30659B1 (en) |
MX (1) | MX2009002747A (en) |
PL (1) | PL2069184T3 (en) |
WO (1) | WO2008031956A2 (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9156479B2 (en) * | 2004-01-02 | 2015-10-13 | Donald Coy Beamon | Hydraulic switch machine for railroads |
USRE48026E1 (en) * | 2004-01-02 | 2020-06-02 | Vossloh Signaling Usa, Inc. | Hydraulic switch machine for railroads |
FR2905922B1 (en) * | 2006-09-14 | 2008-12-05 | Vossloh Cogifer Sa | MECHANISM FOR MANEUVERING NEEDLES |
US7946538B1 (en) * | 2009-12-09 | 2011-05-24 | Donald Coy Beaman | External point spring locking device |
DE202010005519U1 (en) * | 2010-05-28 | 2011-10-05 | Hanning & Kahl Gmbh & Co. Kg | Lock for turnout devices |
CN102582660B (en) * | 2011-11-16 | 2014-12-24 | 天津辉煌路阳科技有限公司 | Intermittent start plate device for electric hydraulic switch machine |
US10794008B2 (en) * | 2016-09-12 | 2020-10-06 | Dilson dos Santos Rodrigues | Electric-hydraulic railway switch device for moving railroad switch points |
CN108569299B (en) * | 2017-03-07 | 2024-05-24 | 中铁宝桥集团有限公司 | Locking and overturning device for suspension type empty rail fork interface |
EP3594083A1 (en) | 2018-07-10 | 2020-01-15 | Silsud S.R.L. | An actuation device for actuating railroad switches |
WO2023059314A1 (en) * | 2021-10-04 | 2023-04-13 | BEAMAN, Mona | Railroad switch device for moving railroad switch points |
TR2022006585A2 (en) * | 2022-04-22 | 2022-05-23 | Akin Mustafa | SYMMETRIC SCISSORS SETTING EQUIPMENT WITH LOCKING MECHANISM |
US11780478B1 (en) * | 2022-04-27 | 2023-10-10 | Advanced Rail Systems, LL | Railroad switch device |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE333459A (en) * | ||||
US3127138A (en) * | 1964-03-31 | Railroad switch stands | ||
US2098831A (en) * | 1935-03-29 | 1937-11-09 | Union Switch & Signal Co | Railway switch operating apparatus |
US2656456A (en) * | 1949-12-22 | 1953-10-20 | Westinghouse Air Brake Co | Railway traffic controlling apparatus |
US3136509A (en) * | 1960-02-01 | 1964-06-09 | American Brake Shoe Co | Railroad switch mechanisms |
US3355585A (en) * | 1965-08-30 | 1967-11-28 | Brock Equipment Co | Railroad switching device |
IN147860B (en) * | 1977-02-03 | 1980-07-26 | Westinghouse Brake & Signal | |
US5052642A (en) * | 1990-04-18 | 1991-10-01 | Peters Terry D | Switch stand |
US5531408A (en) * | 1993-10-07 | 1996-07-02 | Chemetron-Railway Products, Inc. | Railroad switch stand |
DE19538966A1 (en) * | 1995-10-19 | 1997-04-24 | Sel Alcatel Ag | Point machine with adjustable stroke |
IT1298019B1 (en) * | 1997-10-22 | 1999-12-20 | Sasib Railway Spa | CASE OF OPERATION FOR RAILWAY, RAILWAY, OR SIMILAR EXCHANGES. |
US6168120B1 (en) * | 1998-10-05 | 2001-01-02 | Western-Cullen-Hayes, Inc. | Operator for a railroad implement |
US7267304B2 (en) * | 2005-03-21 | 2007-09-11 | Scheer Jerry L | Railroad yard switch machine |
FR2905922B1 (en) * | 2006-09-14 | 2008-12-05 | Vossloh Cogifer Sa | MECHANISM FOR MANEUVERING NEEDLES |
-
2006
- 2006-09-14 FR FR0653738A patent/FR2905922B1/en not_active Expired - Fee Related
-
2007
- 2007-09-13 PL PL07848235T patent/PL2069184T3/en unknown
- 2007-09-13 WO PCT/FR2007/001496 patent/WO2008031956A2/en active Application Filing
- 2007-09-13 EP EP07848235A patent/EP2069184B1/en active Active
- 2007-09-13 AT AT07848235T patent/ATE526221T1/en not_active IP Right Cessation
- 2007-09-13 US US12/310,961 patent/US7913956B2/en not_active Expired - Fee Related
- 2007-09-13 DK DK07848235.3T patent/DK2069184T3/en active
- 2007-09-13 MX MX2009002747A patent/MX2009002747A/en active IP Right Grant
- 2007-09-13 CN CN200780039727.9A patent/CN101528527B/en not_active Expired - Fee Related
-
2009
- 2009-02-20 MA MA31657A patent/MA30659B1/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2008031956A2 * |
Also Published As
Publication number | Publication date |
---|---|
WO2008031956A3 (en) | 2008-05-15 |
EP2069184B1 (en) | 2011-09-28 |
FR2905922A1 (en) | 2008-03-21 |
US20090242706A1 (en) | 2009-10-01 |
US7913956B2 (en) | 2011-03-29 |
FR2905922B1 (en) | 2008-12-05 |
WO2008031956A2 (en) | 2008-03-20 |
PL2069184T3 (en) | 2012-02-29 |
CN101528527A (en) | 2009-09-09 |
DK2069184T3 (en) | 2012-01-16 |
MA30659B1 (en) | 2009-08-03 |
ATE526221T1 (en) | 2011-10-15 |
MX2009002747A (en) | 2009-04-15 |
CN101528527B (en) | 2014-04-23 |
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