EP1467802B1 - Abseilvorrichtung - Google Patents

Abseilvorrichtung Download PDF

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Publication number
EP1467802B1
EP1467802B1 EP02778983A EP02778983A EP1467802B1 EP 1467802 B1 EP1467802 B1 EP 1467802B1 EP 02778983 A EP02778983 A EP 02778983A EP 02778983 A EP02778983 A EP 02778983A EP 1467802 B1 EP1467802 B1 EP 1467802B1
Authority
EP
European Patent Office
Prior art keywords
brake
brake shoes
abseiling
jaws
housing
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
EP02778983A
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English (en)
French (fr)
Other versions
EP1467802A1 (de
Inventor
Gerold Angermann
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT02778983T priority Critical patent/ATE299390T1/de
Publication of EP1467802A1 publication Critical patent/EP1467802A1/de
Application granted granted Critical
Publication of EP1467802B1 publication Critical patent/EP1467802B1/de
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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B1/00—Devices for lowering persons from buildings or the like
    • A62B1/06—Devices for lowering persons from buildings or the like by making use of rope-lowering devices
    • A62B1/08—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brake mechanisms for the winches or pulleys
    • A62B1/10—Devices 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 descender with a in a housing rotatably mounted cable guide roller over a gear with two toothed axes of centrifugal braking communicating which pairs of on the device housing having acting brake shoes with brake shoes.
  • Such devices connected to their housing e.g. above a carabiner on a fixed structure, e.g. a building, be attached are in different designs known, e.g. from DE 198 18 688 C1.
  • DE 198 18 688 C1 In these descenders, for lowering weights, in particular Persons, and specifically used as rescue equipment, is the abseiling speed depending on the weight of the sacredseilenden Load or person variable. The bigger the weight, the more higher the abseiling speed.
  • the invention aims at the operation of the To improve centrifugal force, and achieves this in a device of the initially mentioned type according to the invention in that in addition to the one predetermined Constant abseiling speed causing the brake shoes Brake shoes one of the centrifugal brake devices to this Brake shoes two safety brake shoes are provided, the when falling below a predetermined minimum thickness of the brake shoes come into function and the abseiling speed noticeable reduce, with the brake shoes held in the rest position are in the opposite ends of the Brake shoes are arranged.
  • the brake shoes and the additional brake shoes sit in over the height of the brake shoes through recesses.
  • the brake shoes and the additional brake shoes sit in over the height of the brake shoes through recesses.
  • the brake shoes and the additional brake shoes sit in over the height of the brake shoes through recesses.
  • the housing both sides open eyebolts mounted, over which in the cable guide roller Running rope can be performed.
  • the device according to the invention is for the user also visually recognizable that the device a service must be subjected, i. worn the actual brake shoes are and have to be renewed.
  • FIG. 1 shows an axial section through a rappelling device according to the invention along the line I-I in Fig. 2, Fig. 2 a schematic plan view of the device of FIG. 1 when removed Housing covers, Figs. 3-6 another embodiment the invention.
  • the abseiling device shown in the drawings has a composed of several parts housing 1, in which a Pulley 2 is rotatably supported by means of an axle 3. On the axis 3 of the pulley 2 sits a gear 4, which with two diametrically opposite toothed sprockets 5 and 5 'meshes, each formed on a shaft 6 and 6' are, which is slidably mounted in the housing 1 and at its upper End of a hub 7 or 7 'carries. At each hub 7 and 7 'is respectively a pair of circular brake shoes 8 and 8 'at 9 pivotally mounted.
  • the resting state is shown in which the brake shoes 8 and 8 'and their brake shoes 10 and 10' at the circular inner wall of the associated brake housing part 1 'lie.
  • the brake shoes 10 of the brake shoes 8 in Fig. 1 left brake device with the inner wall of the housing part 1 'in stronger engagement and Brake the pulley 2 in this way in the required Extent off.
  • the brake shoes 8 in FIG. 2 are on the brake shoes 8 except the Brake shoes 10 additional safety brake shoes 10 "provided, the lower strength than the brake shoes 10 have.
  • the lowering speed is considerably reduced, e.g. on the Half reduced.
  • the brake shoes 8, 8 ' are at their free ends with a circular magnet 11 and an iron core 11 ', provided and held together by these at rest. This has to Result that no resistance exists when tightening the rope is.
  • the strength of the magnets is determined so that at a certain Speed of about 0.4 m / sec or as soon as the weight load a predetermined size of e.g. Exceeds 60-70 kg, open the cheeks. In this way then becomes a even descending speed even at higher load guaranteed.
  • the device Since the device has two brake units, can this by attaching magnets with two different ones Magnetic strengths are set variably. At a speed of descent of about 0.4 m / sec opens - with low weight - only the first brake unit. This can also be a person with a low weight (about small children) a corresponding Reach departure speed. At greater load the second brake unit opens and reduces the speed the heavy departing person.
  • the brake shoes 10 are 10 'and the safety brake shoes 10 "not as in the parent patent circular rather than over the height of the Brake shoes continuous inserts, which is the production of the Brake shoes further simplified.
  • Figs. 3-6 are mounted on the housing 1 two open eyebolts 12, over which the rope can be guided on both sides, so thesentseilende Person at any time with minimum effort to stop and to hold. This stopping and holding can be departing from the Person himself or be made by a helper.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Braking Arrangements (AREA)
  • Emergency Lowering Means (AREA)

Description

Die Erfindung betrifft eine Abseilvorrichtung mit einer in einem Gehäuse drehbar gelagerten Seilführungsrolle, die über ein Zahnrad mit zwei gezahnten Achsen von Fliehkraftbremseinrichtungen in Verbindung steht, welche Paare von auf das Vorrichtungsgehäuse einwirkenden Bremsbacken mit Bremsschuhen aufweisen.
Derartige Vorrichtungen, die mit ihrem Gehäuse z.B. über einen Karabiner an einer feststehenden Struktur, z.B. einem Gebäude, angebracht werden, sind in verschiedenen Ausführungen bekannt, z.B. aus der DE 198 18 688 C1. Bei diesen Abseilvorrichtungen, die zum Herablassen von Gewichten, insbesondere Personen, und speziell als Rettungsgeräte verwendet werden, ist die Abseilgeschwindigkeit in Abhängigkeit vom Gewicht der abzuseilenden Last bzw. Person variabel. Je größer das Gewicht, desto höher die Abseilgeschwindigkeit.
Die Erfindung zielt darauf ab, die Funktionsweise der Fliehkraftbremseinrichtungen zu verbessern, und erreicht dies bei einer Vorrichtung der einleitend angegebenen Art erfindungsgemäß dadurch, daß zusätzlich zu den eine vorbestimmte konstante Abseilgeschwindigkeit bewirkenden Bremsschuhen der Bremsbacken einer der Fliehkraftbremseinrichtungen an diesen Bremsbacken zwei Sicherheitsbremsschuhe vorgesehen sind, die bei Unterschreiten einer vorbestimmten Mindeststärke der Bremsschuhe in Funktion treten und die Abseilgeschwindigkeit merkbar reduzieren, wobei die Bremsbacken in der Ruhestellung gehalten sind, die in den einander gegenüberliegenden Stirnseiten der Bremsbacken angeordnet sind.
Vorzugsweise sitzen die Bremsschuhe und die Zusatzbremsschuhe in über die Höhe der Bremsbacken durchgehenden Ausnehmungen. Zweckmäßig sind an dem Gehäuse beidseitig offene Augenschrauben montiert, über welche das in der Seilführungsrolle laufende Seil geführt werden kann.
Bei der erfindungsgemäßen Vorrichtung wird für den Benutzer auch optisch erkennbar, daß die Vorrichtung einem Service unterzogen werden muß, d.h. die eigentlichen Bremsschuhe abgenützt sind und erneuert werden müssen.
Die Erfindung wird nachfolgend an einem Ausführungsbeispiel mit Bezugnahme auf die Zeichnungen näher erläutert. Es zeigen: Fig. 1 einen Axialschnitt durch eine Abseilvorrichtung gemäß der Erfindung nach der Linie I-I in Fig. 2, Fig. 2 eine schematische Draufsicht auf die Vorrichtung nach Fig. 1 bei abgenommenen Gehäusedeckeln, die Fig. 3-6 eine weitere Ausführungsform der Erfindung.
Die in den Zeichnungen gezeigte Abseilvorrichtung hat ein aus mehreren Teilen zusammengesetztes Gehäuse 1, in welchem eine Seilrolle 2 mittels einer Achse 3 drehbar gelagert ist. Auf der Achse 3 der Seilrolle 2 sitzt ein Zahnrad 4, welches mit zwei einander diametral gegenüberliegenden Zahnritzeln 5 bzw. 5' kämmt, die jeweils auf einer Welle 6 bzw. 6' ausgebildet sind, welche im Gehäuse 1 gleitgelagert ist und an ihren oberen Ende eine Nabe 7 bzw. 7' trägt. An jeder Nabe 7 bzw. 7' ist jeweils ein Paar von kreisbogenförmigen Bremsbacken 8 bzw. 8' bei 9 schwenkbar gelagert.
In der Zeichnung ist der Ruhezustand gezeigt, in welchem die Bremsbacken 8 bzw. 8' und ihre Bremsschuhe 10 bzw. 10' an der kreisförmigen Innenwand des zugeordneten Bremsgehäuseteiles 1' anliegen. Im Betrieb kommen bei einer vorbestimmten Abseilgeschwindigkeit infolge der Fliehkraftwirkung die Bremsschuhe 10 der Bremsbacken 8 der in Fig. 1 linken Bremseinrichtung mit der Innenwand des Gehäuseteiles 1' in stärkeren Eingriff und bremsen die Seilrolle 2 auf diese Weise in dem erforderlichen Ausmaß ab. Wie Fig. 2 zeigt sind an den Bremsbacken 8 außer den Bremsschuhen 10 zusätzliche Sicherheitsbremsschuhe 10" vorgesehen, die geringere Stärke als die Bremsschuhe 10 haben. Sobald auch diese Sicherheitsbremsschuhe 10" an der Innenwand angreifen, wird die Absenkgeschwindigkeit erheblich, z.B. auf die Hälfte reduziert.
Die Bremsbacken 8, 8' sind an ihren freien Enden mit einem kreisrunden Magneten 11 bzw. einem Eisenkern 11', versehen und von diesen in der Ruhestellung zusammengehalten. Dies hat zur Folge, daß beim Nachziehen des Seiles kein Widerstand vorhanden ist. Die Stärke der Magneten ist so bestimmt, daß bei einer bestimmten Drehzahl von etwa 0,4 m/sec bzw. sobald die Gewichtsbelastung eine vorbestimmte Größe von z.B. 60-70 kg überschreitet, die Backen öffnen. Auf diese Weise wird sodann eine gleichmäßige Abseilgeschwindigkeit auch bei höherer Belastung gewährleistet.
Da die Vorrichtung über zwei Bremseinheiten verfügt, können diese durch Anbringen von Magneten mit zwei verschiedenen Magnetstärken variabel eingestellt werden. Bei einer Abseilgeschwindigkeit von etwa 0,4 m/sec öffnet sich - bei geringem Gewicht - nur die erste Bremseinheit. Dadurch kann auch eine Person mit geringem Gewicht (etwa kleine Kinder) eine entsprechende Abfahrtsgeschwindigkeit erreichen. Bei größerer Belastung öffnet sich die zweite Bremseinheit und reduziert die Geschwindigkeit der schweren abfahrenden Person.
Bei der gezeigten Ausführungsform sind die Bremsschuhe 10, 10' und die Sicherheitsbremsschuhe 10" nicht wie beim Stammpatent kreisförmig ausgebildet, sondern als über die Höhe der Bremsbacken durchgehende Einsätze, was die Herstellung der Bremsbacken weiter vereinfacht.
Bei der in den Fig. 3-6 dargestellten Ausführungsform sind an dem Gehäuse 1 zwei offene Augenschrauben 12 montiert, über welche das Seil beidseitig geführt werden kann, um so die abzuseilende Person jederzeit mit geringsten Kraftaufwand zu stoppen und zu halten. Dieses Stoppen und Halten kann von der abfahrenden Person selbst oder von einem Helfer vorgenommen werden.

Claims (3)

  1. Abseilvorrichtung mit einer in einem Gehäuse drehbar gelagerten Seilführungsrolle, die über ein Zahnrad mit zwei gezahnten Achsen von Fliehkraftbremseinrichtungen in Verbindung steht, welche Paare von auf das Vorrichtungsgehäuse einwirkenden Bremsbacken mit Bremsschuhen aufweisen, dadurch gekennzeichnet, daß zusätzlich zu den eine vorbestimmte konstante Abseilgeschwindigkeit bewirkenden Bremsschuhen (10, 10') der Bremsbacken (8, 8') einer der Fliehkraftbremseinrichtungen an diesen Backen (8, 8') zwei Sicherheits-Zusatzbremsschuhe (10") vorgesehen sind, die bei Unterschreiten einer vorbestimmten Mindeststärke der Bremsschuhe (10, 10') in Funktion treten und die Abseilgeschwindigkeit merkbar reduzieren, wobei die Bremsbacken (8, 8') jedes Paares durch einen Magnet (11) und einen Eisenkern (11') in der Ruhestellung gehalten sind, die in den einander gegenüberliegenden Stirnseiten (8") der Bremsbacken (8, 8') angeordnet sind.
  2. Abseilvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Bremsschuhe (10, 10') und die Zusatzbremsschuhe (10") in über die Höhe der Bremsbacken (8, 8') durchgehenden Ausnehmungen sitzen.
  3. Abseilvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß an dem Gehäuse (1) beidseitig offene Augenschrauben (12) montiert sind, über welche das in der Seilführungsrolle (2) laufende Seil geführt werden kann.
EP02778983A 2001-12-18 2002-10-31 Abseilvorrichtung Expired - Lifetime EP1467802B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT02778983T ATE299390T1 (de) 2001-12-18 2002-10-31 Abseilvorrichtung

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT19802001 2001-12-18
AT0198001A AT411058B (de) 2001-12-18 2001-12-18 Abseilvorrichtung
PCT/AT2002/000307 WO2003051459A1 (de) 2001-12-18 2002-10-31 Abseilvorrichtung

Publications (2)

Publication Number Publication Date
EP1467802A1 EP1467802A1 (de) 2004-10-20
EP1467802B1 true EP1467802B1 (de) 2005-07-13

Family

ID=3689518

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02778983A Expired - Lifetime EP1467802B1 (de) 2001-12-18 2002-10-31 Abseilvorrichtung

Country Status (10)

Country Link
US (1) US7097005B2 (de)
EP (1) EP1467802B1 (de)
AT (1) AT411058B (de)
AU (1) AU2002342380B2 (de)
CA (1) CA2470126C (de)
DE (1) DE50203644D1 (de)
DK (1) DK1467802T3 (de)
ES (1) ES2246018T3 (de)
PT (1) PT1467802E (de)
WO (1) WO2003051459A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101961531A (zh) * 2010-10-14 2011-02-02 西北工业大学 可控永磁式涡流逃生装置

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2903318B1 (fr) * 2006-07-04 2008-08-29 Zedel Sas Appareil antichute double installe sur un anneau de corde.
US9764172B2 (en) * 2009-03-09 2017-09-19 D B Industries, Llc Safety device with fall arrest and descending modes
US10688323B2 (en) * 2009-03-09 2020-06-23 D B Industries, Llc Safety device with fall arrest and descending modes
DE202009005925U1 (de) * 2009-04-21 2009-07-16 Skylotec Gmbh Fliehkraftkupplung und getriebeloses Abseilgerät
CN102821817B (zh) * 2010-03-30 2015-11-25 U·贝格曼 绕绳下降装置
AU2013204011A1 (en) * 2012-10-15 2014-05-01 Capital Safety Group (Australia) Pty Limited Automatic descender
CN104288920A (zh) * 2014-10-19 2015-01-21 车晋绥 能发电缓降器
CN108261613B (zh) * 2018-02-01 2019-09-20 河南及时星应急救援装备有限公司 一种高层逃生背包
KR102676735B1 (ko) * 2019-04-15 2024-06-19 현대자동차주식회사 차량용 러기지박스 장치
CN114634127B (zh) * 2022-03-21 2023-02-24 如皋市武源机械有限公司 一种具有防缠绕功能的伺服卷扬机

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US4198033A (en) * 1977-09-14 1980-04-15 Dulondel Jacques System for transmitting and/or controlling rotary motion
DD134915B1 (de) * 1978-03-09 1980-03-12 Hans Spensberger Abseilvorrichtung fuer personen
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AT384741B (de) * 1979-07-31 1987-12-28 Bloder Hans Rettungsgeraet zum abseilen von personen
FR2513886A1 (fr) * 1981-10-07 1983-04-08 Games Appareil permettant de freiner et/ou d'immobiliser une charge qui lui est amarree et qui chute, notamment appareil anti-chute de securite
US5280828A (en) * 1992-02-07 1994-01-25 Mattel, Inc. Speed governor for rotational drive
JP2523883Y2 (ja) * 1992-02-24 1997-01-29 株式会社三協精機製作所 プーリ付調速器
AT400813B (de) * 1992-08-10 1996-03-25 Bloder Hans Gerät zum abseilen oder hochziehen von personen und/oder lasten
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FR2714612B1 (fr) * 1994-01-05 1996-05-15 Marcel Jose Peltier Appareil de sécurité anti-chute.
DE59711234D1 (de) * 1997-06-09 2004-02-26 Rollgliss Ag Zuerich Bremsvorrichtung für Auf/Abseilgerät
DE19818688C1 (de) * 1998-04-25 2000-01-05 Mittelmann Armaturen Vollgekapseltes Abseilgerät mit zwei Wirkungsrichtungen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101961531A (zh) * 2010-10-14 2011-02-02 西北工业大学 可控永磁式涡流逃生装置

Also Published As

Publication number Publication date
CA2470126A1 (en) 2003-06-26
ES2246018T3 (es) 2006-02-01
DE50203644D1 (de) 2005-08-18
AU2002342380A1 (en) 2003-06-30
EP1467802A1 (de) 2004-10-20
US20050092557A1 (en) 2005-05-05
ATA19802001A (de) 2003-02-15
US7097005B2 (en) 2006-08-29
WO2003051459A1 (de) 2003-06-26
CA2470126C (en) 2011-02-22
AU2002342380B2 (en) 2008-02-07
PT1467802E (pt) 2005-11-30
AT411058B (de) 2003-09-25
DK1467802T3 (da) 2005-11-14

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