US3795777A - High speed current collection - Google Patents

High speed current collection Download PDF

Info

Publication number
US3795777A
US3795777A US00250993A US3795777DA US3795777A US 3795777 A US3795777 A US 3795777A US 00250993 A US00250993 A US 00250993A US 3795777D A US3795777D A US 3795777DA US 3795777 A US3795777 A US 3795777A
Authority
US
United States
Prior art keywords
gear
hydraulic
coupling
collector assembly
assembly
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 - Lifetime
Application number
US00250993A
Other languages
English (en)
Inventor
R Leger
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.)
Faiveley Transport SA
Original Assignee
Faiveley 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.)
Filing date
Publication date
Application filed by Faiveley SA filed Critical Faiveley SA
Application granted granted Critical
Publication of US3795777A publication Critical patent/US3795777A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
    • B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
    • B60L5/22—Supporting means for the contact bow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/26—Rail vehicles

Definitions

  • Keen [5 7 ABSTRACT] The coupling between a high speed electrically powered vehicle and an overhead catenary wire current distribution system is enhanced by elastic coupling means which parallels and thus provides for uniformity of movement of oppositely disposed ends of a support portion of a pantograph-bow collector linkage system when the inclination of the system to the horizontal exceeds a predetermined limit.
  • the present invention relates to the transfer of current to and/or from an overhead catenary distribution system and particularly to such current transfer during high speed motion between the current collector and the catenary. More specifically, the present invention relates to improved support apparatus for the electrical pick-up devices employed on high speed electrically powered vehicles wherein means is provided to compensate for the effects of transverse movement of the catenary as the vehicle traverses curves and crossing points. Accordingly, the general objects of'the present invention are to provide novel and improved methods and apparatus of such character.
  • the upper or small elastic pantograph 26 provides the dynamic compensation while the large or lower elasticpantograph provides for thc static compensation.
  • the invention of U.S. Pat. No. 3,730,312 resides principally in the judicious combination of the two elastic compensation means in such a manner as to avoid interaction between-these means by careful selection of damping conditions.
  • the present invention overcomes the above briefly discussed disadvantage of the prior art by taking advantage of the fact that in practice the pantograph head of the current collector of the high speed current transfer device of US. Pat. No. 3,730,312 is supported at a pair of points located adjacent its respective ends.
  • the two vertically movable ends of a pantograph head are interconnected; the interconnection preferably being accomplished with paralleling means having a degree of elasticity.
  • the interconnection results in the uniformity of movement of the two points; uniformity of motion being delayed until the inclination of the pantographbow collector to the horizontal exceeds a predetermined limit when elastic connecting means are employed.
  • the present invention can be applied to the system of application Ser. N.”236,874 wherein it may be employed for either the intermediate or upper of the three resilient support subsystems.
  • FIG. 3 is a schematic, perspective view of a third embodiment of the invention.
  • the invention includes a pantograph head 1 which includes the usual lifting horns 2 and 3. Head 1 is suspended, typically above the lower resilient or static compensation means, adjacent its ends by plungers 4 and 5. Plungers 4 and 5 are respectively movable within spring boxes 6 and 7. Spring boxes 6 and 7 are, in turn, fixed to the lifting device (not shown). The sliding strips which collect current from the catenary have similarly not been shown.
  • Plungers 4 and 5 define differential area pistons which are supported, by helical springs 8, from the base of the spring boxes.
  • the upper or large diameter portion of each plunger is machined to define a rack 10 which engages a pinion gear 12.
  • the two pinions 12 are interconnected by bar means 13 which may be rigid or elastic.
  • bar means 13 which may be rigid or elastic.
  • Elastic coupling 14 may be of the type well known in the art and will not be described further herein.
  • the pinions 12 are located in housings which either comprise part of or are connected to the spring boxes 6 and 7; the pinions being rotatably mounted in a manner which has not been shown in the drawing in the interest of clarity. Any movement of either of plungers 4 or 5 will be accompanied by a corresponding movement of the other plunger. However, there may be a hysteresis as a result of the elasticity of the connection 13 or the coupling 14.
  • FIG. 2 The embodiment of FIG. 2 is similar to that of FIG. I with the principal exception that the spring boxes 6 and 7 have been replaced by sealed cylinders containing a suitable fluid.
  • the plungers 4 and 5 each include piston portions 15 and 16 which respectively divide cylinders 6 and 7 into a pair of oppositely disposed chambers. Opposite chambers of the cylinders 6 and 7 are interconnected as shown by means of conduits 17 and 18.
  • damping means may be provided in the FIG. 2 embodiment by the incorporation of restricting apertures in pistons 15 and 16 or, as shown, by the connection of an adjustable throttle device 19 in one of conduits 17 or 18.
  • the adjustable throttle device has been shown schematically as a needle valve.
  • FIG. 3 is similar to the FIG. 1 embodiment with the principal exception that the spring boxes 6 and 7 respectively carry supports 20 and 21; the supports typically being attached to the spring boxes by welding.
  • rods 25 and 26 either being rigidly connected to pantograph head 1 or, preferably, to the upper portion of plungers 4 and 5 in such a manner as to be parallel to one another as shown.
  • pantograph-bow collector assembly resiliently supported vertically adjacent its ends, the improvement comprising:
  • said constraining means comprises:
  • first gear means carried by each end of the vertically movable bow collector assembly; second gear means, the position of said second gear means with respect to said collector assembly being fixed, each of said second gear means engaging a respective one of said first gear means;
  • each of said first gear means includes a gear rack and wherein each of said second gear means includes a pinion gear operatively connected to an associated rack and wherein said coupling means comprises:
  • first axle means connected to the pinion gear of a first of said second gear means; second axle means connected to the pinion gear of the second of said second gear means; and elastic coupling means interconnecting said axle means.
  • spring box means resiliently coupling the ends of the bow collector assembly to a lower support means, said spring box means each housing a spring damped plunger connected to said assembly, each plunger defining the rack of said rack and pinion means.
  • said constraining means comprises:
  • each of said hydraulic means including a piston movable within a cylinder filled with hydraulic fluid, said pistons dividing said cylinders into said first and second chambers; and conduit means interconnecting the piston defined chambers of said hydraulic means, said conduit means connecting the first chamber in one hydraulic means cylinder to the second chamber of the second hydraulic means cylinder and the first means resiliently coupling the ends of the bow collector assembly to a lower support, said resilient coupling ,means defining said hydraulic means cylinders.
  • said constraining means comprises:
  • spring box means resiliently coupling the ends of the bow collector assembly to a lower support.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
US00250993A 1971-05-10 1972-05-08 High speed current collection Expired - Lifetime US3795777A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR717116881A FR2136975B2 (enrdf_load_stackoverflow) 1971-05-10 1971-05-10

Publications (1)

Publication Number Publication Date
US3795777A true US3795777A (en) 1974-03-05

Family

ID=9076785

Family Applications (1)

Application Number Title Priority Date Filing Date
US00250993A Expired - Lifetime US3795777A (en) 1971-05-10 1972-05-08 High speed current collection

Country Status (7)

Country Link
US (1) US3795777A (enrdf_load_stackoverflow)
BE (1) BE783237R (enrdf_load_stackoverflow)
DE (1) DE2222653A1 (enrdf_load_stackoverflow)
ES (1) ES402505A2 (enrdf_load_stackoverflow)
FR (1) FR2136975B2 (enrdf_load_stackoverflow)
IT (1) IT1044999B (enrdf_load_stackoverflow)
NL (1) NL7205301A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130264163A1 (en) * 2012-04-10 2013-10-10 Caterpillar Inc. Pantograph mounting structure
US20160152142A1 (en) * 2016-02-04 2016-06-02 Caterpillar Inc. Mounting structure for supporting pantograph in machine

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3044935A1 (de) * 1980-11-28 1982-06-03 Krauss-Maffei AG, 8000 München Stromabnehmer fuer elektrisch betriebene fahrzeuge
FR2501128A1 (fr) * 1981-03-04 1982-09-10 Faiveley Sa Tete de captage pour pantographe et pantographe ainsi equipe

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1159536A (en) * 1910-07-14 1915-11-09 Schutte Electric Company Current-collector for elecltric railways.
US2231739A (en) * 1939-03-04 1941-02-11 Westinghouse Electric & Mfg Co Current collector
US3495051A (en) * 1968-01-27 1970-02-10 August Stemmann O H G Fa Current collector assembly for electric drive vehicles

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1159536A (en) * 1910-07-14 1915-11-09 Schutte Electric Company Current-collector for elecltric railways.
US2231739A (en) * 1939-03-04 1941-02-11 Westinghouse Electric & Mfg Co Current collector
US3495051A (en) * 1968-01-27 1970-02-10 August Stemmann O H G Fa Current collector assembly for electric drive vehicles

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130264163A1 (en) * 2012-04-10 2013-10-10 Caterpillar Inc. Pantograph mounting structure
US20160152142A1 (en) * 2016-02-04 2016-06-02 Caterpillar Inc. Mounting structure for supporting pantograph in machine
US9550424B2 (en) * 2016-02-04 2017-01-24 Caterpillar Inc. Mounting structure for supporting pantograph in machine

Also Published As

Publication number Publication date
DE2222653A1 (de) 1972-11-16
BE783237R (fr) 1972-09-01
FR2136975A2 (enrdf_load_stackoverflow) 1972-12-29
ES402505A2 (es) 1977-03-16
FR2136975B2 (enrdf_load_stackoverflow) 1973-05-11
IT1044999B (it) 1980-04-21
NL7205301A (enrdf_load_stackoverflow) 1972-11-14

Similar Documents

Publication Publication Date Title
US4324187A (en) Rail vehicle having a roll support device
US3024041A (en) Wheel suspension for motor vehicles
ES296890U (es) Suspension delantera o trasera de vehiculo automovil
JPS5817063B2 (ja) 吸引式磁気浮上走行体の独立懸架装置
GB701623A (en) Improvements in spring suspension for vehicles
US3795777A (en) High speed current collection
US3740498A (en) Electric current collector
JP3332250B2 (ja) 磁気浮上走行体の車体横支持装置
US2782026A (en) Resilient suspensions for vehicle axle boxes or casings
RU2114750C1 (ru) Опорное устройство для тормоза, действующего токами фуко, и ходовая часть железнодорожного транспортного средства, содержащая такое устройство
GB1391379A (en) Suspension in a motor vehicle
GB1246165A (en) Improvements relating to trolley-wire overhead electric supply systems
US3730312A (en) Method and apparatus for transferring electrical energy to high speed apparatus
GB918203A (en) Suspension railway
US3612395A (en) Linear motor reaction rail assembly
GB1357835A (en) Vehicle wheel-suspension arrangements partucularly for motor vehicles
SU906356A3 (ru) Рессорное подвешивание путевой машины
US4155435A (en) Current collecting assembly
US2141592A (en) Spring suspension system for cars
US3812304A (en) High speed current collection
US4106600A (en) Current collecting system for vehicle
CN85107574A (zh) 防止机车车辆蛇形摇摆的装置
US2781731A (en) Suspension for light weight vehicles
US3712430A (en) Vehicle current collector balanced support
US3469538A (en) Spring supported railway vehicle