EP0678432B1 - Pince débrayable d'un véhicule tracté par câble - Google Patents

Pince débrayable d'un véhicule tracté par câble Download PDF

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Publication number
EP0678432B1
EP0678432B1 EP95410034A EP95410034A EP0678432B1 EP 0678432 B1 EP0678432 B1 EP 0678432B1 EP 95410034 A EP95410034 A EP 95410034A EP 95410034 A EP95410034 A EP 95410034A EP 0678432 B1 EP0678432 B1 EP 0678432B1
Authority
EP
European Patent Office
Prior art keywords
cable
lever
clamp according
jaws
clamp
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
EP95410034A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0678432A1 (fr
Inventor
Georges Toyre
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.)
Poma SA
Original Assignee
Pomagalski 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 Pomagalski SA filed Critical Pomagalski SA
Publication of EP0678432A1 publication Critical patent/EP0678432A1/fr
Application granted granted Critical
Publication of EP0678432B1 publication Critical patent/EP0678432B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
    • B61B12/12—Cable grippers; Haulage clips
    • B61B12/125—Cable grippers; Haulage clips for non aerial ropeways, e.g. on or under the ground

Definitions

  • the invention relates to a disengageable coupling pliers of a vehicle to a towing cable of a track transport on own site, including a control of the clamp fixed to the bottom of the vehicle, a keel integral with the control mechanism and having a branch vertical, which extends vertically downward towards of the towing cable, being laterally offset from the vertical plane containing the cable and a horizontal branch which extends the vertical branch at right angles and extends across the track above the cable, a pair of jaw carried by the horizontal branch and of which at least one jaw mobile is slidably mounted to come selectively in one closed cable clamping position and in an open position of cable release and transmission device movement between the control mechanism and the movable jaw to control the opening and closing of the clamp, see for example WO 81/02275.
  • Cable traction of vehicles in a own site transport has many advantages, particularly simplicity and reliability, but it requires the use of disengageable pliers, for coupling and uncoupling of the vehicle from the cable, the opening and closure are perfectly ensured, in order to avoid any risk of slip of the clamp on the cable and all false maneuver.
  • Known clamps are complicated and often combined with multiple control systems to avoid any accident.
  • the present invention aims to allow the realization a clamp of simple structure, the operation of which is perfectly reliable and this clamp is characterized in that said motion transmission device comprises a rod rigid, rotatably mounted inside the keel and bearing at its upper end a crank and that the crank is attacked by a spring-loaded toggle of the said mechanism control, likely to occupy an extension position and passing neutral, where the knee brace exerts a force maximum cable tightening and a broken trigger position spring and jaw opening.
  • the rigid rod rotatably mounted inside the keel, ensures a reliable connection between the jaws projecting from the bottom of the vehicle and the control mechanism, which is arranged to the shelter directly under the bottom or is incorporated into the latter.
  • the position of the jaws is faithfully represented by the position the crank wedged on the upper end of the rod and this crank is attacked by a spring-loaded toggle, which ensures stable opening and closing positions of the pliers.
  • the knee switch is controlled by a cylinder, for example hydraulic and the assembly is arranged so that during a jaw closing command, the cylinder exerts during the jaw approach phase almost zero force, this force becoming maximum when tightening the cable and decreasing thereafter to become null or even negative, during the passing the neutral point of the knee lifter.
  • the opening of the jaws is ensured as soon as the cylinder has brought the knee switch below the neutral.
  • the knee brace comprises one or preferably two levers telescopic, each associated with a compression spring, advantageously constituted by a stack of washers elastic, which stress the telescopic lever in extension.
  • One end of the toggle joint is articulated at a fixed point while the opposite end is hinged at the crank.
  • the cylinder rod is articulated on the axis of the knee pad.
  • the fixed jaw is shaped on the horizontal branch of the keel, which is arranged in a guideway of a slide forming the movable jaw.
  • the slide carries a articulation pin of a keyed crank on the lower end of the rigid rod.
  • a track 10 on its own site, consists of two running tracks 14.15, each associated with a running track guide 16.17.
  • the vehicles 18 traveling on track 10 are provided with running wheels 19 and guide wheels 20, which cooperate with the rolling tracks 14,15 and the guide tracks 16.17.
  • These 19,20 wheels are bandaged pneumatic, but it is clear that the invention is applicable to railway tracks and vehicles of any other type.
  • a cable tractor 11, in the form of an endless loop with return strand 12, extends in the axis of the track, being guided by pulleys support and holding 13 and being driven by a motor (not shown).
  • a clamp is attached to the bottom of the vehicle 18 21, capable of enclosing the cable 11 to couple the vehicle to this tow cable.
  • Clamp 21 includes a keel 22, having a vertical branch 23 projecting downwards and laterally offset for crossing the pulleys 13 and a horizontal branch 24, which extends the branch at right angles vertical 23 and extends transversely above the cable 11.
  • the horizontal branch 24 carries a pair of jaws 25.26, of which one 25 is fixed and the other 26 is movable to constitute disengageable pliers.
  • the movable jaw 26 is connected by a movement transmission device to a mechanism control 27 fixed to the bottom of the vehicle 18. This mechanism 27 controls the opening and closing of the clamp 21 and so coupling and uncoupling of the vehicle 18 to the cable tractor 11.
  • the horizontal branch 24 is shaped at its end in a fixed jaw 25, subdivided into two parts, which surround a slide 28, movable transversely to track 10.
  • the slide 28 carries, opposite the fixed jaw 25, the movable jaw 26 to form a cable clamping jaw 11.
  • a rigid rod vertical 29 In the vertical branch 23 is rotatably mounted a rigid rod vertical 29, at the ends of which are keyed respectively a lower crank 30 and a crank upper 31.
  • the lower crank 30 is articulated on a pin 32 carried by slide 28, so as to transform a rotation of the rod 29 in a sliding of the slide 28.
  • the upper crank 31 belongs to the control mechanism 27 and it is articulated to a lever 33 of a toggle joint 34, the other lever 35 of which is articulated at a fixed point 36.
  • the two levers 33,35 are connected by the axis 37 of the toggle joint 34.
  • Each lever 33, 35 is in two telescopic parts, between which a compression spring 38 is interposed, consisting, for example, of a stack of washers elastic, which urge the lever 33,35 in extension.
  • AT the axis 37 of the toggle joint 34 is articulated at the end of a rod 39 of a jack 40, for example hydraulic or pneumatic, to control the extension or vice versa the breaking of the knee pad 34.
  • the assembly is arranged so that in the position extension of the toggle joint 34, represented in FIG. 3, the jaws 25.26 grip the cable 11 with a clamping force corresponding to that of the springs 38, multiplied by the arms lever lever of the cranks 30.31.
  • Neutral knee brace 34 is slightly exceeded and this extension position is thus a stable position for closing the clamp 21.
  • the opening of the clamp 21 is controlled by the jack 40, which moves axis 37 of knee lifter 34 to the left on the Figure 3, thereby causing the toggle break 34 and the pivoting of the cranks 30.31 in the opposite direction Clockwise.
  • the slide 28 is moved towards the left in the jaws open position 25,26, shown in the figure 4.
  • FIG. 5 represents the force exerted by the jack 40 to operate the clamp from the open position O, shown in Figure 4, in position F of Figure 3.
  • the toggle system 34 ensures thereafter, due to the gradual arrival in knee extension, a decrease in this force, which becomes zero in neutral and even negative after crossing of the latter. It is clear that as soon as the cylinder has crossed the maximum value of the force the movement of closure continues automatically and the risk of unfinished closure is almost zero.
  • the structure of the clamp is simple, in particular the part in projection formed by the jaws 25.26.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Flexible Shafts (AREA)
  • Handcart (AREA)
  • Vehicle Body Suspensions (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Agricultural Machines (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Clamps And Clips (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Tents Or Canopies (AREA)
EP95410034A 1994-04-22 1995-04-13 Pince débrayable d'un véhicule tracté par câble Expired - Lifetime EP0678432B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9405120 1994-04-22
FR9405120A FR2719012B1 (fr) 1994-04-22 1994-04-22 Pince débrayable d'un véhicule tracté par câble.

Publications (2)

Publication Number Publication Date
EP0678432A1 EP0678432A1 (fr) 1995-10-25
EP0678432B1 true EP0678432B1 (fr) 1998-03-04

Family

ID=9462591

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95410034A Expired - Lifetime EP0678432B1 (fr) 1994-04-22 1995-04-13 Pince débrayable d'un véhicule tracté par câble

Country Status (7)

Country Link
US (1) US5520116A (ja)
EP (1) EP0678432B1 (ja)
JP (1) JP3665106B2 (ja)
AT (1) ATE163603T1 (ja)
CA (1) CA2146105C (ja)
ES (1) ES2116054T3 (ja)
FR (1) FR2719012B1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2758116B1 (fr) 1997-01-06 1999-02-05 Pomagalski Sa Pince debrayable d'une installation de transport a cable tracteur
AU778081B2 (en) 1999-03-25 2004-11-11 Tepha, Inc. Medical devices and applications of polyhydroxyalkanoate polymers
IT1308895B1 (it) * 1999-05-11 2002-01-11 Impero Automazioni S P A Sistema flessibile modulare di gestione del carico lungo il percorsosu rotaia, in impianti a fune,per la movimentazione aerea di carrelli
EP1654373B1 (en) 2002-05-10 2012-08-15 Metabolix, Inc. Bioabsorbable polymer containing 2-hydroxyacid monomers
JP4628103B2 (ja) 2002-09-12 2011-02-09 メタボリックス，インコーポレイテッド 補酵素ａ依存性アルデヒドデヒドロゲナーゼ経路によるポリヒドロキシアルカノエート産生
US8573133B2 (en) * 2009-09-22 2013-11-05 Pomagalski Passenger transport installation comprising independent vehicles travelling on tracks and hauled by cables, and method for transporting passengers

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US813040A (en) * 1905-08-03 1906-02-20 Walter B Chalfant Cable-grip for cars.
NL16210C (ja) * 1924-11-08
US2120066A (en) * 1937-03-24 1938-06-07 Edmund F Dwight Cable-gripper
CH297639A (de) * 1951-12-12 1954-03-31 Ingold Hans Einrichtung zum Aufbewahren von Gütern, wie Bücher, Akten oder sonstige Waren.
DE1237161B (de) * 1959-06-29 1967-03-23 Pohlig Heckel Bleichert Klemm- und Loesevorrichtung fuer mittels zweier Zugseile angetriebene Drahtseilbahnen, Schraeg-aufzuege u. dgl.
US3435782A (en) * 1967-06-01 1969-04-01 Felix I Stewart Cable gripping coupler
US3541962A (en) * 1968-02-29 1970-11-24 William H Avery Urban transportation system
US3871303A (en) * 1974-02-25 1975-03-18 Goodyear Tire & Rubber Transportation system
FR2337067A1 (fr) * 1975-12-31 1977-07-29 Poma 2000 Sa Installation de transport en site propre a pince triple d'accouplement des vehicules a des cables tracteurs
FR2475485A1 (fr) * 1980-02-11 1981-08-14 Huon De Kermadec Jean Pince a embrayage progressif pour funiculaire
US4403552A (en) * 1981-12-09 1983-09-13 Kunczynski Jan K Detachable grip assembly and method

Also Published As

Publication number Publication date
CA2146105A1 (fr) 1995-10-23
FR2719012B1 (fr) 1996-07-12
JPH0840256A (ja) 1996-02-13
CA2146105C (fr) 2005-12-06
ATE163603T1 (de) 1998-03-15
ES2116054T3 (es) 1998-07-01
JP3665106B2 (ja) 2005-06-29
EP0678432A1 (fr) 1995-10-25
FR2719012A1 (fr) 1995-10-27
US5520116A (en) 1996-05-28

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