EP0015793B1 - Frein de voie à mâchoires pour wagons de chemin de fer - Google Patents

Frein de voie à mâchoires pour wagons de chemin de fer Download PDF

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Publication number
EP0015793B1
EP0015793B1 EP80400190A EP80400190A EP0015793B1 EP 0015793 B1 EP0015793 B1 EP 0015793B1 EP 80400190 A EP80400190 A EP 80400190A EP 80400190 A EP80400190 A EP 80400190A EP 0015793 B1 EP0015793 B1 EP 0015793B1
Authority
EP
European Patent Office
Prior art keywords
levers
rail
running rail
track
tenons
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
Application number
EP80400190A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0015793A1 (fr
Inventor
André Oriol
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.)
SAXBY
Original Assignee
SAXBY
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 SAXBY filed Critical SAXBY
Priority to AT80400190T priority Critical patent/ATE2414T1/de
Publication of EP0015793A1 publication Critical patent/EP0015793A1/fr
Application granted granted Critical
Publication of EP0015793B1 publication Critical patent/EP0015793B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K7/00—Railway stops fixed to permanent way; Track brakes or retarding apparatus fixed to permanent way; Sand tracks or the like
    • B61K7/02—Track brakes or retarding apparatus
    • B61K7/04—Track brakes or retarding apparatus with clamping action

Definitions

  • the present invention relates to a rail brake for railway wagons, operating by gravity, of the type comprising pairs of articulated levers carrying two brake shoes forming jaws arranged on either side of a running rail provided vertically movable.
  • Such track brakes called gravity because they exert on the wagons a deceleration effort proportional to their weight, are currently widely used in marshalling yards and are for example described in FR-A-2 233 212 and FR-A-2 333 213 belonging to the applicant company.
  • these brakes have, as shown for example in FR-A-1 338 242, two rolling rails pierced with holes for fixing the bearings where the jaws are articulated as well as the stabilization bars which hold the two rails apart constant, while allowing the lifting of the brake assembly and the weighing of the wagons when the wheels penetrate into their jaws.
  • the main object of the present invention is therefore to remedy these drawbacks and, to do this, it relates to a track brake of the aforementioned type which is essentially characterized in that the levers are provided with pins which are articulated in housings acting as bearings formed by a flange added in two parts coming to be fixed on the sole of the running rail, the hook shape of this flange being able to retain the tenons of each of the levers in the angle formed by the core of the rail and its sole, and in that the running rail receiving said levers is constituted by one of the two rails of the current track, previously detached from the sleepers by removing the lag screws.
  • the track brake according to the invention can indeed be fixed directly and without machining on one of the rails of the current track.
  • Track brakes are thus finally obtained, which are installed in a simpler way than existing models and which it is possible to split into elements of short length, in order to distribute them in the sorting classification tracks to obtain braking. almost continuous until the final stop of the wagons, instead of only doing it at the top of the classification tracks, as is currently the case.
  • This arrangement makes it possible to significantly improve the precision of the docking speeds and to eliminate any collision detrimental to the loading of the wagons.
  • This track brake essentially consists of a number of pairs of levers, only one of which is shown in the figure, respectively at 1 and 2. These levers are arranged on either side of a running rail 3 of the track and carry brake shoes forming jaws, constituted here in a conventional manner by simple sections of rails 4.
  • the running rail 3 can be formed directly by one of the rails of the current track, previously detached from the crosspieces, by removing the lag screws, over a length which depends on the flexibility of the said rail.
  • the levers 1 and 2 are in fact mounted directly on the rail, without it being necessary to machine the latter, by means of tenons 5 which are articulated in housings acting as bearings, formed by a flange attached in two parts 6. This flange is pinched on the sole of the running rail by two bolts such as 7 and its hook shape makes it possible to retain the tenons 5 of each of the levers 1 and 2 in the angle formed by the web of the rail and its sole.
  • Candles 8, integral with a chassis 9, provide lateral support for the rail separated from the crosspieces, while allowing its vertical clearance.
  • a control jack 10, for example of the electromechanical type, is mounted on the chassis 9 in order to allow the end of the levers 1 and 2 to be raised by means of a linkage 11 and brackets 12 mounted so as to rotate about of horizontal axes 13, said brackets bearing on the lower ramp of the levers by rollers 14.
  • the lifting of the levers 1 and 2 by the jack 10 is such that the spacing between the brake shoes 4 is reduced to a value less than the smallest existing thickness of the wheels of wagons to be braked. Consequently, by being introduced into the rut of the brake shoes, the wheels raise the assembly constituted by these brake shoes, the levers 1 and 2, and the running rail 3 with the associated flange 6.
  • the lifting takes place by rotation of said assembly around the rollers 14 carried by the ends of the brackets 12, while the jack stands 8 maintain the running rail 3 in its vertical deflection plane.
  • the braking force exerted by the brake shoes 4 on the wheels of the wagons is directly a function of the apparent weight of said wheels, the assembly behaving like a kind of balance.
  • a reverse command on the jack 10 causes the lowering of the brackets 12 and consequently of the levers 1 and 2, as well as of the running rail 3 which then comes to bear on the chassis 9. In doing so, the brake pads 4 move apart wheels of the wagons and release them from any delaying effort.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Handcart (AREA)
  • Insulated Conductors (AREA)
  • Resistance Heating (AREA)
EP80400190A 1979-02-19 1980-02-06 Frein de voie à mâchoires pour wagons de chemin de fer Expired EP0015793B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80400190T ATE2414T1 (de) 1979-02-19 1980-02-06 Backengleisbremse fuer schienenfahrzeuge.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7904101 1979-02-19
FR7904101A FR2449014A1 (fr) 1979-02-19 1979-02-19 Frein de voie a machoires utilisant l'un des rails de la voie courante, sans usinage, pour peser les wagons et les freiner proportionnellement a leur poids

Publications (2)

Publication Number Publication Date
EP0015793A1 EP0015793A1 (fr) 1980-09-17
EP0015793B1 true EP0015793B1 (fr) 1983-02-09

Family

ID=9222124

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80400190A Expired EP0015793B1 (fr) 1979-02-19 1980-02-06 Frein de voie à mâchoires pour wagons de chemin de fer

Country Status (17)

Country Link
EP (1) EP0015793B1 (enrdf_load_stackoverflow)
AT (1) ATE2414T1 (enrdf_load_stackoverflow)
CS (1) CS262405B2 (enrdf_load_stackoverflow)
DD (1) DD149194A5 (enrdf_load_stackoverflow)
DE (1) DE3061840D1 (enrdf_load_stackoverflow)
ES (1) ES254340Y (enrdf_load_stackoverflow)
FI (1) FI71276C (enrdf_load_stackoverflow)
FR (1) FR2449014A1 (enrdf_load_stackoverflow)
GR (1) GR65761B (enrdf_load_stackoverflow)
MX (1) MX149173A (enrdf_load_stackoverflow)
NO (1) NO147666C (enrdf_load_stackoverflow)
PL (1) PL120122B1 (enrdf_load_stackoverflow)
PT (1) PT70840A (enrdf_load_stackoverflow)
RO (1) RO79045A (enrdf_load_stackoverflow)
SU (1) SU957754A3 (enrdf_load_stackoverflow)
YU (1) YU42502B (enrdf_load_stackoverflow)
ZA (1) ZA80866B (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2242390C2 (ru) * 2002-09-26 2004-12-20 Закрытое акционерное общество "Новокраматорский машиностроительный завод" Вагонный замедлитель
CN101913365B (zh) * 2009-12-30 2012-06-06 张力 一种用于铁路货物线的防溜停车器
CN104527718A (zh) * 2014-12-05 2015-04-22 淮北矿业（集团）有限责任公司 手动联动阻车装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1270475A (fr) * 1960-03-17 1961-08-25 Westinghouse Air Brake Co Ralentisseur de wagon de chemin de fer
FR1338242A (fr) * 1962-11-08 1963-09-20 Westinghouse Air Brake Co équipement de freinage pour les wagons de chemin de fer
FR2068287A5 (enrdf_load_stackoverflow) * 1970-10-01 1971-08-20 Abex Corp
FR2233212A1 (en) * 1973-06-14 1975-01-10 Saxby Variable force railway track brake - force is varied by piston stroke toggles and cam action on braking beams
FR2233213A1 (en) * 1973-06-18 1975-01-10 Saxby Track mounted brake for railway vehicles - pivoted beams engage sides of wheel and have vertically movable pivot

Also Published As

Publication number Publication date
PT70840A (fr) 1980-03-01
FR2449014A1 (fr) 1980-09-12
ES254340Y (es) 1981-10-01
NO147666B (no) 1983-02-14
ATE2414T1 (de) 1983-03-15
CS262405B2 (en) 1989-03-14
FR2449014B1 (enrdf_load_stackoverflow) 1984-04-13
RO79045A (ro) 1982-06-25
YU42502B (en) 1988-10-31
SU957754A3 (ru) 1982-09-07
PL222051A1 (enrdf_load_stackoverflow) 1980-11-03
NO147666C (no) 1983-05-25
ES254340U (es) 1981-03-16
PL120122B1 (en) 1982-02-27
CS96580A2 (en) 1988-08-16
DD149194A5 (de) 1981-07-01
EP0015793A1 (fr) 1980-09-17
NO800419L (no) 1980-08-20
GR65761B (en) 1980-10-30
ZA80866B (en) 1981-09-30
FI71276C (fi) 1986-12-19
YU37380A (en) 1983-01-21
FI800230A7 (fi) 1980-08-20
DE3061840D1 (en) 1983-03-17
FI71276B (fi) 1986-09-09
MX149173A (es) 1983-09-14

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