EP0158755B1 - Passerelle d'accès notamment aux balanciers d'une installation de transport à câble aérien - Google Patents

Passerelle d'accès notamment aux balanciers d'une installation de transport à câble aérien Download PDF

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Publication number
EP0158755B1
EP0158755B1 EP84401193A EP84401193A EP0158755B1 EP 0158755 B1 EP0158755 B1 EP 0158755B1 EP 84401193 A EP84401193 A EP 84401193A EP 84401193 A EP84401193 A EP 84401193A EP 0158755 B1 EP0158755 B1 EP 0158755B1
Authority
EP
European Patent Office
Prior art keywords
stringer
secured
gangway
cross beam
module
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
EP84401193A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0158755A1 (fr
Inventor
René Brian
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
Priority to AT84401193T priority Critical patent/ATE33366T1/de
Publication of EP0158755A1 publication Critical patent/EP0158755A1/fr
Application granted granted Critical
Publication of EP0158755B1 publication Critical patent/EP0158755B1/fr
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms

Definitions

  • the invention relates to an elongated modular gangway, according to the preamble of claim 1.
  • Document DE-A-3203164 discloses a staircase, corresponding to the first part of claim 1, each step of which is carried by a support articulated with the stringer on the side of the rear edge of the step.
  • a stop screw cooperates with a shoe, sliding on the stringer, to maintain the step in an adjustable inclined position relative to the stringer. The adjustment possibilities are limited by the length of the screw and it is impossible to make a horizontal or reverse tilting gangway.
  • the document FR-A-2390564 relates to a modular system allowing the manufacture of a staircase or a walkway.
  • the steps are fixed to the stringer by welding or bolting and the stringer is punched accordingly.
  • a change of inclination requires desoldering of the steps or a different punching of the stringer.
  • the present invention aims to allow the realization of a modular gateway system easily adaptable to different pylons and installations, and this object is achieved by the implementation of the features mentioned in claim 1.
  • the length of the beam which can be of the modular type with several elements assembled, determines the length of the gangway and the number of modules or steps mounted on the beam to ensure continuity of the gangway.
  • Walkways of different lengths, with flat floors or in steps, can be made from standard elements by simply varying the inclination of the modules. This inclination is fixed during assembly on site according to the slope of the cable and the pendulum to arrange the steps horizontally.
  • each module consists of a rectangular frame supporting a grating, one of the sides of the frame being attached to the spar and fixed to the latter by a central bolt.
  • the module In the loosened position of the nut, the module can pivot freely for the adjustment of its inclination, the tightening of the nut, on the other hand, causing immobilization, reinforced by an interlocking of complementary parts, in particular of notched sectors, one integral with the spar and the other of the module and surrounding the bolt.
  • the gangway optionally includes one or more guardrails or guardrails fixed to the side member and / or to the modules.
  • Steps can be fixed on either side of the spar, in particular at the level of the bracket to facilitate access to the bridge extending along the pendulum.
  • the fixing of the spar on the stem allows an adjustment of the inclination of the spar and for this purpose the spar carries two articulated jaws enclosing the stem under the action of a tightening bolt.
  • the jaws have a notched internal face which fits on the edges of the stem to avoid any untimely rotation.
  • the head of a pylon 10 of an overhead cable transport installation carries a transverse bracket 12 supporting at its end a balance 14 with rollers 16 for supporting or compressing the cable (not shown).
  • a bridge 18 is rigidly secured to the bracket 12, so as to extend along and next to the balance 14 and over its entire length.
  • the gateway 18, advantageously made of metal, consists of a spar 20, formed by a tube of square section, and steps 22 staggered along the spar. The number of steps depends on the length of the spar 20, itself adapted to that of the pendulum 14.
  • each step 22 of stamped sheet metal has a rectangular upper face 24 with a surface non-slip and a lateral fixing face 26 having a central hole 28 for passage of a fixing bolt 30.
  • the outer edge 32 of the step is slightly raised to constitute a stop for retaining the foot.
  • the hole 28 is surrounded by a notched crown 34 whose notches extend parallel to the axis of the hole 28.
  • the spar 20 comprises for each step 22 a hole 36 for passing the bolt 30 and a notched crown 38 combined with the crown 34 and coaxial with the hole 36.
  • the gateway 18 shown in the figures comprises four steps 22, rectangular but the number and the shape may be different.
  • the first step 22 is shown in the position mounted on the beam 20, the bolt 30 passing through the holes 28, 36 by tightening the lateral face 26 of the step 22 against the spar 20.
  • the notched crowns 34, 38 are fitted one inside the other preventing any rotation of the step 22.
  • bracket step 40 facilitating access to the bridge 18 from the pylon 10.
  • the bracket step 40 of structure similar to that of the pendulum steps 22 may have different dimensions, in particular a greater length. It is also fixed in cantilever on the spar 20 by notched crowns and a bolt, which can be the same 30 as that of the step 22 of the balance beam.
  • the spar 20 may only comprise steps 22 of the pendulum or steps 22, 40 on either side over the entire length of the spar according to the conditions of use.
  • the holes 36 and the notched crowns 38 from the factory are of course provided accordingly, some of which may be unused.
  • the fixing of the beam 20 on the bracket 12 comprises two jaws 42, 44, in the form of yokes whose bases are pivotally mounted by bolts 46, 48 on the beam 20.
  • the jaws 42, 44 surround the bracket 12 and their parts upper are connected by a tightening bolt 50.
  • the internal edge of the jaws 42, 44 has notches 52 for housing the edge of the square or polygonal profile of the bracket 12. If this edge is slightly rounded, it is enough to interpose a section of angle iron 54 with angled angles to ensure precise and robust positioning.
  • the number of notches 52 is sufficient for adjusting the inclination of the beam 20 before tightening the bolt 50 for immobilizing the beam on the bracket 12.
  • At least two fixing holes 56 are provided on each jaw 42, 44, these holes being offset with respect to the notches 52.
  • the realization and the installation of the gateway 18 appear from the preceding description. From a limited number of standard parts, in particular steps 24 and spars 20 of different lengths, it is possible to make all types of walkways.
  • the appropriate spar 20 is chosen and the number of steps 24 and / or 40 is mounted by the bolts 30.
  • the spar 20 is then fixed to the bracket 12 by the jaws 42, 44 at the desired inclination.
  • the inclination of the steps 24, 40 is adjusted before tightening the fixing bolts 30.
  • One or more steps 22 may have a railing 58.
  • the invention is of course by no means limited to the mode of implementation more particularly described and it extends to any variant, in particular to that in which the steps are fixed to two beams or by different means such as studs secured spar or step. Certain elements may be of different structure or shape or of a plastic material.

Landscapes

  • Architecture (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Bridges Or Land Bridges (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Emergency Lowering Means (AREA)
  • Catching Or Destruction (AREA)
  • Ropes Or Cables (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Pretreatment Of Seeds And Plants (AREA)
  • Gears, Cams (AREA)
  • Electric Cable Installation (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
EP84401193A 1983-06-21 1984-06-08 Passerelle d'accès notamment aux balanciers d'une installation de transport à câble aérien Expired EP0158755B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84401193T ATE33366T1 (de) 1983-06-21 1984-06-08 Modularer laufsteg, insbesondere zur ueberwachung von kabeltragrollen-pendelgestellen von schwebebahninstallationen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8310362A FR2547850B1 (fr) 1983-06-21 1983-06-21 Passerelle d'acces notamment aux balanciers d'une installation de transport a cable aerien
FR8310362 1983-06-21

Publications (2)

Publication Number Publication Date
EP0158755A1 EP0158755A1 (fr) 1985-10-23
EP0158755B1 true EP0158755B1 (fr) 1988-04-06

Family

ID=9290076

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84401193A Expired EP0158755B1 (fr) 1983-06-21 1984-06-08 Passerelle d'accès notamment aux balanciers d'une installation de transport à câble aérien

Country Status (6)

Country Link
EP (1) EP0158755B1 (no)
JP (1) JPS6048534U (no)
AT (1) ATE33366T1 (no)
DE (1) DE3470296D1 (no)
FR (1) FR2547850B1 (no)
NO (1) NO161185C (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2707095B1 (fr) * 1993-06-29 1995-10-13 Mounier Alain Dispositif de sécurité, notamment pour pylône de soutènement d'un téléphérique.
FR2972986B1 (fr) * 2011-03-23 2013-04-26 Pomagalski Sa Installation de transport par cable aerien munie d'un vehicule de maintenance

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2191575A5 (no) * 1972-06-27 1974-02-01 Genevee Freteva
US3908793A (en) * 1974-11-01 1975-09-30 Chicago Bridge & Iron Co Adjustable metal scaffold
CH585326A5 (no) * 1974-12-06 1977-02-28 Habegger Ag Maschf
FR2390564A1 (fr) * 1977-05-11 1978-12-08 Tolartois Sa Perfectionnements au montage d'escaliers et passerelles de service
BE886570A (fr) * 1980-12-09 1981-04-01 Promotion Ind Off De Escalier a pas variables.
US4355700A (en) * 1981-02-17 1982-10-26 Matthews Wesley D Modular stairway system for installation on structures having non-linear walls
DK171181A (da) * 1981-04-15 1982-10-16 C F Mogensen Trappe

Also Published As

Publication number Publication date
JPS6048534U (ja) 1985-04-05
NO842493L (no) 1984-12-27
ATE33366T1 (de) 1988-04-15
NO161185B (no) 1989-04-03
FR2547850A1 (fr) 1984-12-28
FR2547850B1 (fr) 1988-05-06
JPH032600Y2 (no) 1991-01-24
NO161185C (no) 1989-07-12
EP0158755A1 (fr) 1985-10-23
DE3470296D1 (en) 1988-05-11

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