EP1491417A1 - Seilenentgleisungsschutz einer Förderanlage - Google Patents

Seilenentgleisungsschutz einer Förderanlage Download PDF

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Publication number
EP1491417A1
EP1491417A1 EP03405460A EP03405460A EP1491417A1 EP 1491417 A1 EP1491417 A1 EP 1491417A1 EP 03405460 A EP03405460 A EP 03405460A EP 03405460 A EP03405460 A EP 03405460A EP 1491417 A1 EP1491417 A1 EP 1491417A1
Authority
EP
European Patent Office
Prior art keywords
retaining elements
lateral retaining
cable
polygonal section
shaft
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.)
Withdrawn
Application number
EP03405460A
Other languages
English (en)
French (fr)
Inventor
Daniel Vuille
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP03405460A priority Critical patent/EP1491417A1/de
Publication of EP1491417A1 publication Critical patent/EP1491417A1/de
Withdrawn legal-status Critical Current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
    • B61B12/06—Safety devices or measures against cable fracture

Definitions

  • the present invention relates to a safety device, intended to prevent a cable of a transport system with drive and suspension by cable comprising at least one transport device connected by means of fixing to said cable, from leaving laterally from less a guide and suspension pulley, comprising lateral retaining elements, integral with a shaft pivotally mounted on a frame for moving, when said fixing means meet one of said lateral retaining elements, around the longitudinal axis of said shaft between two limit positions, in which said lateral retaining elements are brought alternately in a lateral position to the path of said cable and elastic return means for exerting on said lateral retaining elements a force constantly tending to bring them back into one of said limit equilibrium positions.
  • the object of the present invention is to remedy, at least in part, these drawbacks, so as to make its operation smoother, by reducing the accelerations of the safety device, thus making it less noisy, also making it possible to use means of simpler and more effective elastic recall.
  • This device also makes it possible to manufacture the lateral retaining elements simpler and cheaper while improving their mechanical strength.
  • the present invention relates to a security device according to claim 1.
  • FIG. 1 illustrates the safety device 1 according to the present invention associated with a yoke of pulleys 2, carrying two pairs of guide pulleys 3, only one of which is shown in this figure, as well as a traction and / or suspension 4, to which is attached a fixing member 5 of a transport device (not shown).
  • This transport device can be of any type with cable drive and suspension, such as a ski lift, a cable car, a cable car, which is driven by cable 4 in the direction of arrow F.
  • the safety device 1 comprises two lateral retaining elements 6a, 6b secured to a shaft 7 pivotally mounted in a horizontal part 8a of a support in the form of a bracket 8.
  • the two ends 7a, 7b of the pivot shaft 7 have respective polygonal sections, in this example, substantially square.
  • the end 7b is engaged in a complementary opening of a tubular connecting member 9 of the lateral retaining elements 6a, 6b.
  • the end 7a of the pivot shaft is engaged in a tubular portion 10a of section having a shape complementary to the elastic return means 10.
  • These elastic return means are formed by at least this tubular portion in which the end is engaged 7a of the pivot shaft.
  • This tubular portion 10a is engaged in a second tubular portion of polygonal section 10b secured to the support 8, having the same number of sides as the polygonal section the end 7a of the pivot shaft 7.
  • the angles of the polygonal section of the tubular portion 10a secured to the pivot shaft 7 are adjacent to the middle of the sides of the second tubular portion of polygonal section 10b secured to the support 8.
  • Elements of elastic compressible material 11 arranged in the four spaces formed between the two tubular portions 10a, 10b of polygonal section, constitute elastic return means constantly tending to maintain the two tubular portions 10a, 10b in the position illustrated by Figures 1 and 2, which corresponds to the limit equilibrium position of the safety device.
  • this elastic return device 10 allows a limited angular displacement of the pivot shaft 7, which must in no case exceed 40 °, preferably 30 °.
  • the retaining element 6a which is called upon to come into contact with the fixing member 5 has for this purpose a front edge 6c which forms an angle of approximately 30 ° with the direction F of the path of the cable 4. in the position limit of equilibrium illustrated by FIG. 1, the lower edge 6d of the second lateral retaining element 6b is itself substantially parallel to this path of the cable 4.
  • the rear edge 6e of the lateral retaining element 6a has a reverse symmetrical inclination to that of the front edge 6c, to allow the controlled return of the lateral retaining elements 6a, 6b after the passage of the fixing member 5 of the transport device.
  • the small angle between the front edge 6c and the path of the cable 4 very significantly reduces the acceleration communicated to the lateral retaining elements 6a, 6b and therefore makes the safety device much less noisy.
  • FIG. 3 illustrates a preferred embodiment of the lateral retaining elements 6a, 6b intended to obtain an optimum resistance to deformation weight ratio.
  • these lateral retaining elements 6a, 6b constitute a single hollow part formed by two identical stainless steel plates 6F and 6G which each have slots 6H.
  • These two plates 6F, 6G are joined by a series of spacers 6I whose edges have assembly tabs 6J positioned and dimensioned so as to be able to penetrate into the slots 6H of the plates 6F, 6G, after which they are folded back to fix the plates 6F, 6G to each other.
  • some of the spacers which come into contact with the fixing member 5 of the transport device are covered with 6K plastic pads, intended to absorb shock, as well as friction .
  • 6k pads in Teflon® or coated with this material or an equivalent material are suitable in this case.
  • the hollow design of the lateral retaining elements 6a, 6b makes the device lighter, improves the rigidity of the lateral retaining elements 6a, 6b and reduces the manufacturing cost of these lateral retaining elements.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electric Cable Arrangement Between Relatively Moving Parts (AREA)
EP03405460A 2003-06-25 2003-06-25 Seilenentgleisungsschutz einer Förderanlage Withdrawn EP1491417A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03405460A EP1491417A1 (de) 2003-06-25 2003-06-25 Seilenentgleisungsschutz einer Förderanlage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03405460A EP1491417A1 (de) 2003-06-25 2003-06-25 Seilenentgleisungsschutz einer Förderanlage

Publications (1)

Publication Number Publication Date
EP1491417A1 true EP1491417A1 (de) 2004-12-29

Family

ID=33396103

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03405460A Withdrawn EP1491417A1 (de) 2003-06-25 2003-06-25 Seilenentgleisungsschutz einer Förderanlage

Country Status (1)

Country Link
EP (1) EP1491417A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2228277A3 (de) * 2009-03-06 2011-11-09 Joannis Sykamiotis Sicherheitsvorrichtung für Seilbahnen, zum Verhindern des Herausspringens des Seils

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR817506A (fr) * 1936-02-10 1937-09-04 Hoteliere Et Touristique Du Re Perfectionnements aux funiculaires remonte-pentes
FR1441428A (fr) * 1964-10-07 1966-06-10 Perfectionnement aux poulies de remonte-pentes pour skieurs
FR1488224A (fr) * 1965-10-14 1967-07-13 Pomagalski Jean Sa Dispositif de support et de guidage du câble de transporteurs aériens
US4226187A (en) * 1978-10-23 1980-10-07 Sdi Welding Corporation Ski lift apparatus and safety device
EP0745526A1 (de) * 1995-05-29 1996-12-04 Girak Garaventa GmbH Mechanischer Seilentgleisungsschutz
WO2002051684A1 (fr) * 2000-12-22 2002-07-04 Daniel Vuille Dispositif de securite pour empecher le deraillement d'un cable

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR817506A (fr) * 1936-02-10 1937-09-04 Hoteliere Et Touristique Du Re Perfectionnements aux funiculaires remonte-pentes
FR1441428A (fr) * 1964-10-07 1966-06-10 Perfectionnement aux poulies de remonte-pentes pour skieurs
FR1488224A (fr) * 1965-10-14 1967-07-13 Pomagalski Jean Sa Dispositif de support et de guidage du câble de transporteurs aériens
US4226187A (en) * 1978-10-23 1980-10-07 Sdi Welding Corporation Ski lift apparatus and safety device
EP0745526A1 (de) * 1995-05-29 1996-12-04 Girak Garaventa GmbH Mechanischer Seilentgleisungsschutz
WO2002051684A1 (fr) * 2000-12-22 2002-07-04 Daniel Vuille Dispositif de securite pour empecher le deraillement d'un cable

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2228277A3 (de) * 2009-03-06 2011-11-09 Joannis Sykamiotis Sicherheitsvorrichtung für Seilbahnen, zum Verhindern des Herausspringens des Seils

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