EP3792130B1 - Dispositif anti-chute pour une plate-forme de marche et de travail - Google Patents

Dispositif anti-chute pour une plate-forme de marche et de travail Download PDF

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Publication number
EP3792130B1
EP3792130B1 EP20401043.3A EP20401043A EP3792130B1 EP 3792130 B1 EP3792130 B1 EP 3792130B1 EP 20401043 A EP20401043 A EP 20401043A EP 3792130 B1 EP3792130 B1 EP 3792130B1
Authority
EP
European Patent Office
Prior art keywords
working platform
support posts
walkway
safety barrier
fall protection
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.)
Active
Application number
EP20401043.3A
Other languages
German (de)
English (en)
Other versions
EP3792130A1 (fr
Inventor
Thomas Mayer
Felix Wawrzyniak
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.)
Deutsche Bahn AG
Original Assignee
Deutsche Bahn AG
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 Deutsche Bahn AG filed Critical Deutsche Bahn AG
Priority to SI202030027T priority Critical patent/SI3792130T1/sl
Priority to PL20401043T priority patent/PL3792130T3/pl
Publication of EP3792130A1 publication Critical patent/EP3792130A1/fr
Application granted granted Critical
Publication of EP3792130B1 publication Critical patent/EP3792130B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61DBODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00Construction details of vehicle bodies
    • B61D17/04Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
    • B61D17/12Roofs
    • B61D17/14Roofs with gangways

Definitions

  • the invention relates to a fall protection device for a gangway or working platform, comprising at least two support posts, which are articulated at their base points by means of a first swivel joint on the walking or working platform.
  • the railing After completion of the activities of the operating personnel, however, the railing is brought into a folded or low-lying "rest position" and secured against unintentional automatic (re) erecting; the carrier vehicle then fulfills the permissible clearance dimensions and can be moved in traffic.
  • the railing supports are pivotably connected both to the gangway or working platform and to the railing longitudinal bars.
  • the erection or folding down of the railing can according to the teaching of DE 33 20 969 A1 via a movable lower Part of an essentially vertical climbing aid provided for climbing the gangway, for example in the form of a foldable or vertically displaceable lower part of the climbing aid.
  • a teaching similar to this is conveyed by the AU 725447 B .
  • a walking and working platform with a foldable handrail which can be actuated (ie can be raised or folded down) by means of an arrangement of two sub-elements that are pivotably coupled to one another, which are hinged on the one hand to the handrail of the handrail and on the other hand to the handrail of a climbing aid.
  • a railing provided with a handrail has often proven to be disadvantageous for the operating personnel, for example in operational practice when loading car transport vehicles, since the free space remaining between the load and railing is very narrow and an operator cannot pass such a narrow point.
  • the invention is therefore based on the object of providing a fall protection device for a gangway or working platform, comprising at least two support posts which are attached to their base points are articulated to the walking or working platform by means of a first swivel joint, which represents an alternative to the known prior art and in particular enables more ergonomic working conditions for the operating personnel.
  • each support post has an angle lever in the area of the base, the distal end of which is coupled to a rigid rod connecting the angle levers of all support posts by means of a second swivel joint.
  • a forced guidance of the support posts is achieved, which enables a transmission of, in particular, thrust forces between the support posts.
  • the particular advantage of the invention is that this takes place by means of a force transmission component arranged outside the work area of the operating personnel.
  • a rotational movement applied to a first support post about its first pivot joint is transmitted via the inventive arrangement of angle levers and the rigid rod connecting these angle levers to the other support posts of the same fall protection device, so that these other support posts perform a synchronous rotational movement.
  • fall protection with flexible barrier elements such as ropes, chains or rope-tensioned tarpaulins etc. can be used.
  • These flexible shut-off elements can be pushed out of their basic position to a certain extent by the operating personnel, provided that this is necessary due to restricted space in the area of the gangway or working platform. In this way, the operating personnel can increase the clearance between the load and the fall protection device, which is necessary for more ergonomic work, without the protective function of the fall protection device being canceled as a result.
  • the fall arrest device has at least one rope stretched in the free space between at least two support posts, the rope being pivotably connected to the support posts by means of a cable eye each.
  • a cable eye each.
  • the cable eye can be formed by turning over a cable end and fixing it against the cable body by means of cable clamps.
  • the rope eye is preferably reinforced by an inserted thimble. This reduces the friction between the rope and the receiving pin and thus also its wear.
  • At least one support post can be fixed in the area of the base point by means of a releasable lock against rotation about the first pivot joint.
  • This locking device can be designed, for example, in the form of a footrest, which can be adjusted from a first rest position by linear displacement in the direction of the support post into a second engagement position that locks the support post against pivoting about its first pivot joint. In this way, the fall protection is secured either in an unfolded working position against unintentional folding down or in a folded down rest position against unintentional erecting.
  • the invention also extends to a vehicle with at least one loading area designed for the transport of motor vehicles, the walking or working platform of which has a fall protection device with at least one of the aforementioned features.
  • FIG 2 is a perspective view of the working platform (7) (or “loading platform") of a double-decker car transport vehicle with a fall protection device according to the invention arranged in the longitudinal direction of the vehicle, which has an arrangement of three support posts (ie two end supports (1, 2) and a central support arranged between them (17)).
  • Ropes (13) are stretched between the support posts, each of which is pivotably mounted on the end supports (1, 2) by means of a rope eye and thimble, and is guided through eyelets on the central support (17) and is mounted on these in a linearly displaceable manner along its length.
  • the fall protection devices are arranged on the working platform on both sides of the longitudinal direction of the vehicle and can have any lengthways or any number of support posts.
  • it is a rail vehicle; however, the invention can also be applied in an identical manner to road vehicles.
  • the vehicle has a lateral climbing aid (15) to the working platform (7), which is similar to a rung ladder and from the in Figure 2 only the top step and a handrail (16) are shown.
  • the fall protection is in the upright working position. In the area of the exit from the climbing aid (15) to the work platform (7), the fall protection is interrupted so that the operating personnel can access the work platform.
  • Figure 2 only one side wall, but not the floor of the working platform (7) is shown.
  • an actuating device which is made up of two pivotably coupled (20) sub-elements (18, 19), which at a first end has a pivot coupling (21) to the end support (1) closest to the climbing aid and to one end at the second end a pivot coupling (22) to the handrail (16) of the climbing aid (15).
  • the axes of rotation of the swivel joints (20, 21, 22) are aligned parallel to one another.
  • the first sub-element (18) closest to the climbing aid is designed as a rigid, angled rod; the closest to the end support second sub-element (19) as a wire rope, which is mounted in the swivel joints (20, 21) in a manner analogous to the ropes (13) stretched between the support posts by means of a rope eye and thimble.
  • the first rod-like sub-element (18) is rotated about the swivel joint (22).
  • the sub-element (18) is moved counterclockwise around the swivel joint (22) in the area of the articulated connection (20), ie deflected upwards.
  • the second sub-element (19) follows this movement until the upright working position of the fall protection device is reached.
  • the actuation of the fall protection by the operating personnel can be additionally supported.
  • the fall protection is folded down into the rest position in the opposite way.
  • FIG 1 is a detailed view of a locking device designed as a footrest (14), by means of which the first end support (1) can be fixed against rotation about its first pivot joint (5).
  • the footrest (14) can be adjusted from a first rest position by linear displacement in the direction of the end support (1) into a second engagement position that locks the end support against pivoting about its first swivel joint (5).
  • the footrest can be locked against unintentional actuation both in the rest position and in the engaged position.
  • the locking device shown is part of a second fall protection device, which is a mirror image of the one in Figure 2 shown first fall protection, ie to the left of the climbing aid (15) is arranged.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Emergency Lowering Means (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)

Claims (4)

  1. Dispositif antichute pour une plateforme de marche ou de travail, comprenant au moins deux montants d'appui (1, 2), lesquels sont articulés à leurs pieds (3, 4) au moyen respectivement d'une première articulation rotative (5, 6) à la plateforme de marche ou de travail (7),
    caractérisé en ce que
    chaque montant d'appui (1, 2) présente dans la zone du pied (3, 4) un levier angulaire (8, 9) dont l'extrémité distale éloignée du montant d'appui est couplée au moyen d'une seconde articulation rotative (10, 11) à une barre (12) rigide reliant les leviers angulaires de tous les montants d'appui.
  2. Dispositif antichute pour une plateforme de marche ou de travail selon la revendication 1, caractérisé en ce que le dispositif antichute présente au moins un câble (13) tendu dans l'espace libre entre au moins deux montants d'appui, dans lequel le câble est relié chaque fois au moyen d'un œillet de câble par articulation rotative aux montants d'appui.
  3. Dispositif antichute pour une plateforme de marche ou de travail selon la revendication 1 ou 2, caractérisé en ce qu'au moins un montant d'appui (2) peut être fixé dans la zone du pied (4) au moyen d'un arrêt (14) amovible contre une rotation autour de la première articulation rotative (6).
  4. Véhicule avec au moins une surface de charge équipée pour le transport de véhicules automobiles, dont la plateforme de marche ou de travail est réalisée avec un dispositif antichute selon l'une quelconque des revendications 1 à 3.
EP20401043.3A 2019-09-16 2020-07-30 Dispositif anti-chute pour une plate-forme de marche et de travail Active EP3792130B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI202030027T SI3792130T1 (sl) 2019-09-16 2020-07-30 Varnostna pregrada za sprehajalno pot in delovno ploščad
PL20401043T PL3792130T3 (pl) 2019-09-16 2020-07-30 Zabezpieczenie przed upadkiem dla pomostu i platformy roboczej

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019124808.6A DE102019124808A1 (de) 2019-09-16 2019-09-16 Absturzsicherung für eine Lauf- und Arbeitsbühne

Publications (2)

Publication Number Publication Date
EP3792130A1 EP3792130A1 (fr) 2021-03-17
EP3792130B1 true EP3792130B1 (fr) 2021-11-10

Family

ID=72046836

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20401043.3A Active EP3792130B1 (fr) 2019-09-16 2020-07-30 Dispositif anti-chute pour une plate-forme de marche et de travail

Country Status (5)

Country Link
EP (1) EP3792130B1 (fr)
DE (1) DE102019124808A1 (fr)
ES (1) ES2905824T3 (fr)
PL (1) PL3792130T3 (fr)
SI (1) SI3792130T1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113232684B (zh) * 2021-06-11 2022-06-17 中车眉山车辆有限公司 一种旋转式渡板组成
DE202023104617U1 (de) 2023-08-15 2023-08-29 Hess GmbH Ingenieurbüro und Anlagenbau Arbeitsbühne für Verladeeinrichtungen

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3320969A1 (de) * 1983-06-10 1984-12-13 Hoechst Ag, 6230 Frankfurt Laufbuehne mit klappbarem gelaender und aufstiegshilfe fuer tankfahrzeuge
US4613155A (en) * 1984-12-03 1986-09-23 Greenwood William P Safety platform assembly for sanding trucks
US4936407A (en) * 1987-04-06 1990-06-26 Safewalk Railings Limited Safety rail for vehicle catwalks
US5921531A (en) * 1997-03-19 1999-07-13 Early; Stephen R. Retractable handrail for railroad cars
AU725447C (en) * 1997-07-02 2003-06-19 Booth Engineering Pty Ltd Guard railing arrangement for tankers
US8033482B2 (en) * 2008-08-14 2011-10-11 Cnh America Llc Pivoting handrail for an agricultural sprayer
PL2295303T3 (pl) * 2009-09-11 2012-06-29 S I T F A Soc It Trasporti Ferroviari Autoveicoli S P A Wagon kolejowy do przewozu pojazdów samochodowych
DE102011116982A1 (de) * 2011-10-26 2013-05-02 Db Waggonbau Niesky Gmbh Lauf- und Arbeitsbühne
US8632099B2 (en) * 2011-11-14 2014-01-21 Mac Trailer Manufacturing, Inc. Tank trailer having an air actuated handrail assembly
DE102015219500B4 (de) * 2015-10-08 2021-09-16 DB Systemtechnik GmbH Vorrichtung zur Begrenzung der Dachflächen von Fahrzeugen, vorzugsweise von Schienenfahrzeugen
US10293755B2 (en) * 2016-04-28 2019-05-21 Deere & Company Folding handrail for work vehicle

Also Published As

Publication number Publication date
DE102019124808A1 (de) 2021-03-18
ES2905824T3 (es) 2022-04-12
EP3792130A1 (fr) 2021-03-17
PL3792130T3 (pl) 2022-03-07
SI3792130T1 (sl) 2022-04-29

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