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EP0958845B1 - Dispositif de sécurité pour une corde d'escalade - Google Patents

Dispositif de sécurité pour une corde d'escalade Download PDF

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Publication number
EP0958845B1
EP0958845B1 EP99109805A EP99109805A EP0958845B1 EP 0958845 B1 EP0958845 B1 EP 0958845B1 EP 99109805 A EP99109805 A EP 99109805A EP 99109805 A EP99109805 A EP 99109805A EP 0958845 B1 EP0958845 B1 EP 0958845B1
Authority
EP
European Patent Office
Prior art keywords
climbing
rope
rollers
person
climbing rope
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
EP99109805A
Other languages
German (de)
English (en)
Other versions
EP0958845A2 (fr
EP0958845A3 (fr
Inventor
Johannes Dahm
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.)
DAHM, JOHANNES
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
Publication of EP0958845A2 publication Critical patent/EP0958845A2/fr
Publication of EP0958845A3 publication Critical patent/EP0958845A3/fr
Application granted granted Critical
Publication of EP0958845B1 publication Critical patent/EP0958845B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B1/00Devices for lowering persons from buildings or the like
    • A62B1/06Devices for lowering persons from buildings or the like by making use of rope-lowering devices
    • A62B1/08Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brake mechanisms for the winches or pulleys
    • A62B1/10Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brake mechanisms for the winches or pulleys mechanically operated

Definitions

  • the invention relates to a safety device for a climbing rope climbing person, the climbing rope through the belay device can be pulled through and at one end of the climbing rope the person climbing attachable and at the other end of the climbing rope by a belayer is mountable, comprising a housing with at least two or more in one common level in the housing rotatably arranged rollers over which the Climbing rope is feasible, with at least one of the rollers with a freewheel is equipped, when pulling the climbing rope in the direction of securing person allows the roller to rotate and in the opposite direction Direction blocked rotation of the role, so that the climbing rope at one Pulling towards the person climbing over the blocked roll underneath Generation of rope friction making pulling slips.
  • the person climbing is attached to the rope with a rope highest point of the climbing route is redirected by a belayer secured.
  • the belayer uses a device that is attached to their Body is attached. In this device the climbing rope on which the climbing person is secured, braked when lowering. The handling this device requires great care and experience in all cases.
  • DE 295 20 702 U1 describes a device for deflecting and securing of a climbing rope known when exceeding a predetermined downward rope speed, e.g. B. in the event of a crash Person automatically triggers a braking mechanism that the person climbing intercepts and protects against the fall without the help of the belayer. at this device is accordingly a personal protection device, which automatically climbs the person to be secured against falling guaranteed.
  • the disadvantage here is the very complex structure of the known Device that entails high manufacturing and acquisition costs and the fact that this known device is only suitable fixed climbing walls can be installed on different, changing Places of use, such as those used in the training of emergency services occur, but is not applicable because an exact selection of the Attachment point for the proper functioning of the known device Requirement is. It has also been shown that the self-releasing Braking mechanism of the known device the climbing person too often tempted to act carelessly so that they become unnecessarily high Exposes risk.
  • DE 43 15 952 A1, DE-AS 2 064 761 and DE-AS 22 31 844 describe Descenders where the climbing or safety rope is at the highest point the climbing route is guided over a roller and redirected, the roller is freely rotatable in one direction by means of a freewheel and in the other Direction blocked so that the climbing rope slips over the blocked pulley, the rope friction to secure the climbing person against a Crashes is increased.
  • a disadvantage of these known abseiling devices is that that the rope always runs in several turns around the single roll must be in order to achieve the necessary for the safety function Wrap angle and the resulting rope friction guarantee.
  • the climbing rope can make single turns skip, which can lead to undesirable blocking of the descender can.
  • the object of the invention is to provide a safety device for a climbing rope to propose to a person who is easy to use and yet all the advantages of conventional handling Offers backup methods that can be produced with little effort and that Climbing rope less stressed, especially in thermal terms adapt to different body weights and rope lengths of the Climbing ropes can be adjusted.
  • Offers backup methods that can be produced with little effort and that Climbing rope less stressed, especially in thermal terms adapt to different body weights and rope lengths of the Climbing ropes can be adjusted.
  • even with large climbing rope lengths for great climbing or abseiling heights still ensure reliable belaying and abseiling made possible by people.
  • the invention solves this problem by designing a Security device according to the characterizing features of Claim 1.
  • At least one of the roles as an adjusting roller in various installation positions with respect to the others Rollers can be attached in the housing, so that the total wrap angle of the climbing ropes guided over the rollers can be changed.
  • the invention teaches that by the proposed changeability of Total wrap angle used to generate rope friction the rope friction is responsible for the body weight of the person to be secured person at risk of falling, the length of the climbing rope and / or the experience of the person climbing and / or the person to be mastered Climbing task can be customized.
  • the housing at least two superimposed, defining the installation positions of the roll Has holes through which the role in the different Installation positions can be fastened in the housing.
  • the safety device enables one Securing climbing people at risk of falling.
  • the person falls interception of the falling person due to low holding forces particularly easy and secure the climbing person facilitated.
  • An advantageous embodiment of the invention provides that a total of three Rollers are arranged in the housing and their axes are the corner points of a Form a triangle.
  • the climbing rope is advantageous in the of the reels plane formed two-dimensionally in a total wrap angle of 400 ° to 500 ° around the rollers.
  • Total wrap angle is understood here to mean the angle in the associated bow length the climbing rope on the respective roles overall there is along this arc length for securing the climbing person required rope friction from the reels onto the climbing rope can be transferred.
  • both one and also several roles within the device according to the invention with one Be equipped freewheeling when pulling the climbing rope in Direction of the belayer allows the rollers to rotate and in opposite direction blocked rotation of the rollers, being in one advantageous embodiment is provided that all roles with such Freewheels are equipped.
  • the role facing the person climbing can be a larger one Have diameter than the other roles, because of this larger role already the greatest rope friction and strength against unimpeded pulling through of the climbing rope in the direction of the person climbing.
  • the Diameter dimensioning depends on the permissible Blocking force of the freewheels used and the intended Field of application of the safety device according to the invention.
  • Belay device can also some roles with a circumferential groove be trained so that the climbing rope is guided while the changeable installable adjusting roller advantageously has a cylindrical circumference.
  • FIG. 3 schematically shows a climbing process on one in a hall built climbing wall KW shown.
  • a backup facility for a Climbing rope 7, also called belay device 100 for short, is the highest Point of the climbing route, for example attached to the KW climbing wall.
  • the Climbing rope 7 is guided through the belay device 100 and deflected and is divided into the two rope parts 7a and 7b.
  • On the rope part 7b hangs on the lower free end of the climbing person K, while on Rope part 7a attacks the securing person S and holds the climbing person K and secures against falling.
  • the rope part on which the belayer S attacks, is also referred to as tether part 7a, while the rope part, on from which the climbing person K hangs, also referred to as safety rope part 7b becomes.
  • the safety device serving as a safety device 100 is for the climbing rope 7 schematically in a side view in more detail shown.
  • the belay device 100 comprises a housing 3 which for example on the KW climbing wall at the highest point climbing route to be secured is installed, d. H. both the belaying Person S as well as the climbing person K are always below the Device, see also Figure 3.
  • the housing 3 is made up of two spaced apart bearing plates 33, 34 formed on the top a bridge part 30 is connected by means of screws 31, not shown are.
  • the bridge part 30 of the housing 3 can, for example, by means of Screws 35 on a support 32 at the highest point of the climbing route on the Climbing wall KW are attached, see also Figure 4, where also other mounting options are conceivable.
  • Inside the housing 3 are three rollers 4, 5, 6 rotatably mounted between the bearing plates 33, 34 and arranged so that their axes X, Y, Z are the corner points of a triangle form, which is in the illustration of Figure 1 on the top and that Climbing rope 7 is guided successively over these rollers 4, 5, 6.
  • a safe guidance of the climbing rope 7 on the rollers is effected in that both the roller 4 and roller 6 have a circumferential groove, i.e. their Diameter increases on both sides, causing the climbing rope 7 to open laterally the roles, especially when it is run quickly, see see Figure 2.
  • the middle roller 5, also referred to as an adjusting roller has a cylindrical circumference.
  • Breakthrough 36 in the bearing plates 33 and 34 provided the climbing rope 7 just around the rollers 4, 5 and 6 in the manner shown can.
  • At least one of the rollers 4, 5, 6 is not shown with one Equipped freewheel, but preferably all three rollers 4, 5, 6.
  • the freewheel blocked when pulling the climbing rope 7 in the direction of the climbing Person (K), i.e. with a downward movement of the cable part 7b in the direction of the arrow H2 on which the climbing person K is attached.
  • the rollers 4, 5 and 6 through the Freewheels are not hindered in their rotatability, so that the securing person S the climbing rope 7 in this direction, i.e. towards you, without noteworthy Friction can pull through and through Pulling the tether part 7a easily exerts a force on the climbing person K can exercise to hold this and prevent falling from the Secure climbing wall KW.
  • the rollers 4, 5 and 6 are in the housing 3 on a common plane E. arranged, see also Figure 2, so that the climbing rope 7th two-dimensionally over the rollers 4, 5, 6 in this plane E.
  • the Sum of the wrap angles of the climbing rope 7 around the rollers 4, 5, 6 is in the embodiment shown in the drawing a total of about 500 °. This total wrap angle creates at a crash of the climbing person K and the person caused thereby Pull on rope part 7b in the direction of arrow H2, i.e. towards the climbing Person (K), due to the blocking of the freewheels of the rollers 4, 5, and 6 a high sliding friction acting on the climbing rope 7.
  • the role facing the climbing person K in particular the roller 4 adjacent to the cable part 7b with a larger diameter than the remaining rollers 5 and 6 designed to over the associated freewheel the greatest possible braking effect on the climbing rope 7 generating power and the weight of the climbing Dismantle person K as far as possible.
  • rollers within the housing 3 can also be different Be made as in the present embodiment explained.
  • the axes can be provided with three rollers any, for example also form an isosceles triangle or even on one Straight lines. It is also possible to arrange more than three roles, each according to the desired total wrap angle of the climbing rope 7 at Performing and redirecting in device 100.
  • the rope part 7a is shown in FIG illustrated embodiment further the middle, d. H.
  • bores 50, 51, 52 arranged one above the other are provided, which Define the respective installation positions Y1, Y2 and Y3 and each with the Guide bearing plates 33, 34 in alignment with each other.
  • these Bores 50, 51, 52 can then the adjusting roller 5 by screwing corresponding axle bolts or the like. are secured and fastened.
  • the safety device described is climbing to secure people at risk of falling, for example on climbing walls and scaffolding for sporting purposes or also for training mountaineers or at Exercises by rescue services, fire services etc. can be used in a variety of ways.
  • the safety device as a rescue device for To provide for emergencies, e.g. B. abseiling of people from cable cars etc. to enable in an emergency.

Landscapes

  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Emergency Lowering Means (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Ropes Or Cables (AREA)
  • Ladders (AREA)
  • Movable Scaffolding (AREA)
  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)

Claims (8)

  1. Dispositif de sécurité pour la corde d'escalade d'un grimpeur, la corde d'escalade pouvant se dérouler à travers le dispositif de sécurité et le grimpeur pouvant s'accrocher à une extrémité de la corde d'escalade et pouvant être tenu à l'autre extrémité de la corde d'escalade par une personne assurant la sécurité, comprenant un boítier comportant au moins deux rouleaux ou davantage disposés dans un plan commun dans le boítier, qui permettent de guider la corde d'escalade, au moins un des rouleaux étant équipé d'une roue libre qui, lorsque la corde d'escalade se déroule en direction de la personne assurant la sécurité, permet une rotation du rouleau et bloque la rotation du rouleau dans la direction opposée, de sorte que la corde d'escalade, lors du déroulement en direction du grimpeur, glisse sur le rouleau bloqué en générant un frottement de la corde rendant plus difficile le déroulement,
    caractérisé en ce qu'au moins un des rouleaux (4, 5, 6) peut être installé en tant que rouleau d'ajustement dans différentes positions de montage par rapport aux autres rouleaux dans le boítier (2), de sorte que l'angle d'encerclement global de la corde d'escalade (7) guidée par les rouleaux est modifiable.
  2. Dispositif selon la revendication 1, caractérisé en ce que le boítier (2) présente au moins deux alésages (50, 51, 52) superposés définissant les positions de montage du rouleau d'ajustement, au moyen desquels on peut fixer le rouleau d'ajustement dans les différentes positions de montage dans le boítier.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que trois rouleaux (4, 5, 6) sont disposés dans le boítier (2) et que leurs axes (X, Y, Z) forment les coins d'un triangle et qu'un rouleau est réalisé sous forme d'un rouleau d'ajustement.
  4. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la corde d'escalade (7) peut être guidée avec un angle d'encerclement global allant de 400° à 500° autour des rouleaux (4, 5, 6).
  5. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé en ce que tous les rouleaux (4, 5, 6) sont équipés d'une roue libre qui permet, lorsque la corde d'escalade (7) se déroule en direction de la personne assurant la sécurité (S), une rotation des rouleaux (4, 5, 6) et bloque une rotation des rouleaux (4, 5, 6) dans la direction opposée.
  6. Dispositif selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le rouleau (4) tourné vers le grimpeur (K) présente un diamètre plus grand que les autres rouleaux (5, 6).
  7. Dispositif selon l'une quelconque des revendications 1 à 6, caractérisé en ce que la force à exercer sur la corde par la personne assurant la sécurité (S) pour tenir le grimpeur (K) s'élève à un dixième du poids du grimpeur (K) ou moins.
  8. Dispositif selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le rouleau d'ajustement présente une périphérie cylindrique et que les autres rouleaux présentent une rainure périphérique pour le guidage de la corde d'escalade (7).
EP99109805A 1998-05-19 1999-05-19 Dispositif de sécurité pour une corde d'escalade Expired - Lifetime EP0958845B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29809056U DE29809056U1 (de) 1998-05-19 1998-05-19 Vorrichtung zum Umlenken und Sichern eines Kletterseiles
DE29809056U 1998-05-19

Publications (3)

Publication Number Publication Date
EP0958845A2 EP0958845A2 (fr) 1999-11-24
EP0958845A3 EP0958845A3 (fr) 2001-09-19
EP0958845B1 true EP0958845B1 (fr) 2004-07-07

Family

ID=8057411

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99109805A Expired - Lifetime EP0958845B1 (fr) 1998-05-19 1999-05-19 Dispositif de sécurité pour une corde d'escalade

Country Status (3)

Country Link
EP (1) EP0958845B1 (fr)
AT (1) ATE270572T1 (fr)
DE (2) DE29809056U1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012022675A1 (de) 2012-11-20 2014-05-22 Johannes Dahm Sicherungsgerät für ein Seil
DE102015003545A1 (de) 2015-03-19 2016-09-22 Johannes Dahm Sicherungsgerät für ein Seil
DE102019107587B3 (de) * 2019-03-25 2020-03-26 Fritimi UG (haftungsbeschränkt) Vorschaltwiderstand für das Klettern

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20012018U1 (de) * 2000-07-11 2000-11-16 Sotgiu, Walter, 52499 Baesweiler Vorrichtung zum Sichern eines Kletterseiles
AT510556B1 (de) * 2011-04-11 2012-05-15 Univ Wien Tech Kletterseilsicherung
CN102274591B (zh) * 2011-07-08 2013-03-06 济南大学泉城学院 一种逃生救援缓降器
CN102526902B (zh) * 2011-11-28 2014-05-07 盐城工学院 高空逃生自救装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2064761C3 (de) 1970-12-31 1974-04-18 Otto 8112 Bad-Kohlgrub Brda Abseilgerät mit Laufseil zum Abseilen von Personen oder Lasten
DE2231844C3 (de) 1972-06-29 1981-01-15 Otto Brda Abseilgerat
DE4315952C2 (de) 1993-05-12 1997-05-07 Anton Staltmeir Abseil- und Aufseilgerät
FR2741272A1 (fr) * 1995-10-16 1997-05-23 Morin Pierre Francois Dispositif de securite pour grimpeur, notamment pour l'alpinisme ou l'escalade sur un mur artificiel
DE29520702U1 (de) 1995-12-30 1996-03-07 Dahm, Johannes, Dipl.-Ing., 53115 Bonn Vorrichtung zum Umlenken und Sichern eines Kletterseiles

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012022675A1 (de) 2012-11-20 2014-05-22 Johannes Dahm Sicherungsgerät für ein Seil
DE102015003545A1 (de) 2015-03-19 2016-09-22 Johannes Dahm Sicherungsgerät für ein Seil
DE102019107587B3 (de) * 2019-03-25 2020-03-26 Fritimi UG (haftungsbeschränkt) Vorschaltwiderstand für das Klettern

Also Published As

Publication number Publication date
DE59909885D1 (de) 2004-08-12
ATE270572T1 (de) 2004-07-15
DE29809056U1 (de) 1998-08-20
EP0958845A2 (fr) 1999-11-24
EP0958845A3 (fr) 2001-09-19

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