EP2002059B1 - Coussinet de guidage et de support d'aiguille d'appareil de voie - Google Patents

Coussinet de guidage et de support d'aiguille d'appareil de voie Download PDF

Info

Publication number: EP2002059B1
Authority: EP; European Patent Office
Prior art keywords: bearing; point switch; roller; bearings; guiding
Prior art date: 2006-04-06
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

EP07731858A

Other languages

German (de)

English (en)

French (fr)

Other versions

EP2002059A1 (fr

Inventor

Philippe Mugg

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.)

Vossloh COGIFER SA

Original Assignee

Vossloh COGIFER SA

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.)

2006-04-06

Filing date

2007-04-03

Publication date

2010-06-02

2007-04-03 Application filed by Vossloh COGIFER SA filed Critical Vossloh COGIFER SA

2007-04-03 Priority to PL07731858T priority Critical patent/PL2002059T3/pl

2008-12-17 Publication of EP2002059A1 publication Critical patent/EP2002059A1/fr

2010-06-02 Application granted granted Critical

2010-06-02 Publication of EP2002059B1 publication Critical patent/EP2002059B1/fr

Status Active legal-status Critical Current

2027-04-03 Anticipated expiration legal-status Critical

Links

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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
- E01B7/02—Tongues; Associated constructions

Definitions

the present invention relates to railway track apparatus, in particular the means for guiding and supporting needles and, in particular the bearings, and relates to such a bearing according to the preamble of claim 1.
the needles are movable elements subjected to more or less regular maneuvers according to the traffic and are guided for this purpose by bearing on pads adjacent to the devices for fixing the counter-needle rails on the sleepers or on a concrete infrastructure.
this guidance is generally achieved by simply sliding the sole of the needle on the pads.
This embodiment has, however, the disadvantage of a greater or lesser adhesion depending on the frequency of maneuvers. Indeed, in the case of infrequent maneuvers, the needle, as well as the pads on which it is guided, which are subjected to the weather can have a slight oxidation at their sliding face, so that it occurs a bonding effect between said surfaces, which causes the need to develop a greater maneuvering force to allow the initial movement of movement of the needles.
EP 0 389 851 A2 and by EP 0 654 561 A1 causing the needle to rise above the bushings when not subject to the load of a vehicle wheel rail by means of devices interposed between two consecutive crosspieces, these devices being provided with rollers cooperating with the sole of the needle to promote its lateral displacement and also providing a possibility of vertical displacement by an elastic effect.
the device according EP 0 389 851 A2 comprises a needle lifting means provided with rollers, at least one of which is supported under the sole of the needle, these rollers being vertically movable by means of a lever acting on the roll support means and being loaded by a calibrated spring.
the load previously exerted by the spring allows an initial takeoff of the needle above the pads, so that the movement of the needle is facilitated.
the needle is not continuously in contact with the bearings and is only supported on them during the passage of a vehicle or a railway train. This results in a flapping effect of the needle on the pads at the passage of each axle, which can be detrimental to the long-term holding of the needle and, in any case, generates vibrations and unacceptable noise.
the object of the present invention is to overcome these drawbacks by proposing a guide pad and a needle holder for a switchgear to ensure, on the one hand, a continuous support of the needle on the pad and, secondly, to ensure easy operation of the needle even on track devices undergoing a low traffic.
the pad according to the invention comprises the features according to claim 1.
FIGS. 1 to 4 appended drawings show a bearing 1 and guiding needle holder 2 of a switchgear.
a pad usually extends the fastening means of the counter-needle rail on the sleepers.
the pad 1 is provided with at least one needle support roller 3 providing a load shedding of the latter at the pad 1.
each needle support roller 2 extends parallel to the counter needle rails and to the longitudinal axis of the needle and is advantageously mounted in a device 4 for rotating guidance which can move vertically relative to the pad 1, under the action of compression springs 5.
the compression springs 5 are calibrated so as to exert on the needle 2, through the device 4, a pressure less than the pressure exerted by the needle 2 to the right of the pad 1.
the device 4 for guiding the rotation or rollers 3 is advantageously in the form of a mounting cage 4 'attached to the bearing 1 and provided for each roller 3 with two housings 4 "aligned and vertical guide bearings 6 loaded by the compression springs 5, these bearings 6 each housing an end of a shaft 7 for supporting a roller 3, each roller 3 being held in translation on the shaft 7 via end stops 8 provided with seals 9 each bearing against one end of a roll 3.
each bearing 6 is loaded by two compression springs 5 arranged symmetrically with respect to the axis of said bearings 6 and the shaft 7 for supporting a roller 3.
the mounting cage 4 ' has at its upper and lower faces, openings corresponding to the number of rollers mounted in the device 4, the opening or openings of the lower face being intended to promote the mounting of the rollers 3 and the or the openings in the upper part corresponding to the passage of a portion of the circumference of the roller or rollers 3.
the fixing of the mounting cage 4 'of the device 4 on the pad 1 is preferably carried out by means of screws, the heads of which are embedded in the upper face of said mounting cage 4 '.
the tightening of the cage 4 'in position on the bearing 1 makes it possible to obtain the maintenance of the assembly of the device 4 on the bushing 1 and to simultaneously perform the preloading of the springs 5.
the invention also relates to a set of pads as described above, characterized in that they are distributed at regular intervals along the needle and in that they realize a shedding of said needle.
This fitting of bearings is not shown in the accompanying drawings but is perfectly accessible to those skilled in the art, a pad being simply provided on each crosspiece traversed by the needle.
the pads thus arranged on the path of a needle have shedding forces gradually increasing from the tip of the needle towards the rear of the needle, by setting the springs 5 of the 4 devices increasing regularly.
the shedding carried out by the pads according to the invention will gradually increase by a value of 40% of the pressure applied by the needle rail to the right of the pad extending under the tip up to 70% of said pressure at the back of the needle.
the invention makes it possible to avoid any problem of bonding the needle on the guiding and bearing pads and to avoid any lubrication of the sliding surfaces.
the pads according to the invention incorporate one or more rollers favoring the unloading of the needle, the spaces between the crosspieces remain free, so that said pads are not at risk of damage during the tamping of the tracks and that last can be achieved optimally.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Architecture (AREA)
Civil Engineering (AREA)
Structural Engineering (AREA)
Railway Tracks (AREA)
Rolling Contact Bearings (AREA)
Platform Screen Doors And Railroad Systems (AREA)
Machines For Laying And Maintaining Railways (AREA)
Bearings For Parts Moving Linearly (AREA)
Train Traffic Observation, Control, And Security (AREA)
Sliding-Contact Bearings (AREA)
Massaging Devices (AREA)
Automatic Focus Adjustment (AREA)
Paper (AREA)
Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Forklifts And Lifting Vehicles (AREA)

EP07731858A 2006-04-06 2007-04-03 Coussinet de guidage et de support d'aiguille d'appareil de voie Active EP2002059B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
PL07731858T PL2002059T3 (pl)	2006-04-06	2007-04-03	Panew prowadząca i podpierająca zwrotnicę rozjazdu

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FR0651237A FR2899604A1 (fr)	2006-04-06	2006-04-06	Coussinet de guidage et de support d'aiguillage d'appareil de voie
PCT/FR2007/051054 WO2007116173A1 (fr)	2006-04-06	2007-04-03	Coussinet de guidage et de support d'aiguille d'appareil de voie

Publications (2)

Publication Number	Publication Date
EP2002059A1 EP2002059A1 (fr)	2008-12-17
EP2002059B1 true EP2002059B1 (fr)	2010-06-02

Family

ID=37430792

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP07731858A Active EP2002059B1 (fr)	2006-04-06	2007-04-03	Coussinet de guidage et de support d'aiguille d'appareil de voie

Country Status (11)

Country	Link
EP (1)	EP2002059B1 (da)
AT (1)	ATE470012T1 (da)
DE (1)	DE602007006929D1 (da)
DK (1)	DK2002059T3 (da)
ES (1)	ES2346924T3 (da)
FR (1)	FR2899604A1 (da)
NO (1)	NO339722B1 (da)
PL (1)	PL2002059T3 (da)
PT (1)	PT2002059E (da)
TW (1)	TW200801286A (da)
WO (1)	WO2007116173A1 (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL2021576B1 (nl) *	2017-09-06	2019-07-18	Volkerrail Nederland Bv	Tongspitsrol en daarmee uitgerust wissel van een treinbaan.
CN113774729A (zh) *	2021-09-14	2021-12-10	中铁宝桥集团有限公司	道岔辊轮装置
CN113774728A (zh) *	2021-09-14	2021-12-10	中铁宝桥集团有限公司	偏心式可调高道岔辊轮装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2423584A1 (fr) *	1978-04-17	1979-11-16	Stecma	Coussinet de soutien des lames d'aiguille pour appareils de voie
DE9317723U1 (de) *	1993-11-19	1994-01-20	Enzesfeld-Caro Metallwerke Ag, Enzesfeld	Weiche für Gleise des schienengebundenen Verkehrs
EP0851063B1 (en) *	1996-12-31	2001-02-28	Franco Marzetti	Roller device for railway switches
BE1015216A6 (nl) *	2002-11-21	2004-11-09	Nationale Mij Der Belgische Sp	Set van een glijstoel en van een rollensysteem voor spoorwissels.

2006
- 2006-04-06 FR FR0651237A patent/FR2899604A1/fr active Pending
2007
- 2007-04-03 PL PL07731858T patent/PL2002059T3/pl unknown
- 2007-04-03 DE DE602007006929T patent/DE602007006929D1/de active Active
- 2007-04-03 EP EP07731858A patent/EP2002059B1/fr active Active
- 2007-04-03 DK DK07731858.2T patent/DK2002059T3/da active
- 2007-04-03 ES ES07731858T patent/ES2346924T3/es active Active
- 2007-04-03 WO PCT/FR2007/051054 patent/WO2007116173A1/fr not_active Ceased
- 2007-04-03 PT PT07731858T patent/PT2002059E/pt unknown
- 2007-04-03 AT AT07731858T patent/ATE470012T1/de active
- 2007-04-04 TW TW096112192A patent/TW200801286A/zh not_active IP Right Cessation
2008
- 2008-11-05 NO NO20084648A patent/NO339722B1/no not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE602007006929D1 (de)	2010-07-15
PT2002059E (pt)	2010-08-27
DK2002059T3 (da)	2010-09-20
ATE470012T1 (de)	2010-06-15
TW200801286A (en)	2008-01-01
TWI335366B (da)	2011-01-01
EP2002059A1 (fr)	2008-12-17
NO20084648L (no)	2008-11-05
ES2346924T3 (es)	2010-10-21
FR2899604A1 (fr)	2007-10-12
NO339722B1 (no)	2017-01-23
PL2002059T3 (pl)	2010-10-29
WO2007116173A1 (fr)	2007-10-18

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