EP0080038B1 - Flèche télescopique, en particulier pour ascenseurs inclinés - Google Patents

Flèche télescopique, en particulier pour ascenseurs inclinés Download PDF

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Publication number
EP0080038B1
EP0080038B1 EP82108665A EP82108665A EP0080038B1 EP 0080038 B1 EP0080038 B1 EP 0080038B1 EP 82108665 A EP82108665 A EP 82108665A EP 82108665 A EP82108665 A EP 82108665A EP 0080038 B1 EP0080038 B1 EP 0080038B1
Authority
EP
European Patent Office
Prior art keywords
telescopic
telescopic section
section
penultimate
last
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
EP82108665A
Other languages
German (de)
English (en)
Other versions
EP0080038A3 (en
EP0080038A2 (fr
Inventor
Albert Böcker
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.)
Albert Boecker GmbH and Co KG
Original Assignee
Albert Boecker GmbH and Co KG
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
Priority claimed from DE3137846A external-priority patent/DE3137846C2/de
Priority claimed from DE19813137845 external-priority patent/DE3137845C2/de
Priority claimed from DE19813137847 external-priority patent/DE3137847C2/de
Application filed by Albert Boecker GmbH and Co KG filed Critical Albert Boecker GmbH and Co KG
Priority to AT82108665T priority Critical patent/ATE20726T1/de
Publication of EP0080038A2 publication Critical patent/EP0080038A2/fr
Publication of EP0080038A3 publication Critical patent/EP0080038A3/de
Application granted granted Critical
Publication of EP0080038B1 publication Critical patent/EP0080038B1/fr
Expired legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/02Ladders in general with rigid longitudinal member or members
    • E06C1/04Ladders for resting against objects, e.g. walls poles, trees
    • E06C1/08Ladders for resting against objects, e.g. walls poles, trees multi-part
    • E06C1/12Ladders for resting against objects, e.g. walls poles, trees multi-part extensible, e.g. telescopic
    • E06C1/125Ladders for resting against objects, e.g. walls poles, trees multi-part extensible, e.g. telescopic with tubular longitudinal members nested within each other
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/16Mobile or transportable lifts specially adapted to be shifted from one part of a building or other structure to another part or to another building or structure
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/10Reinforcements for ladders
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/12Lifts or other hoisting devices on ladders

Definitions

  • the invention relates to telescopic boom according to the preamble of claim 1.
  • a telescopic boom is known from the French utility model 2 377 748.
  • a winch is arranged at the lower end of the first telescopic section, which simultaneously serves as a rail winch (for telescoping the individual shots) and as a load winch (for moving a load bucket or the like on the guide rails of the telescopic boom).
  • the rope running off the winch is guided over pulleys at the upper end of the lowest telescopic section, runs from there over the lower pulleys of the second telescopic section and further via a cable clamping device arranged at the lower end of the second telescopic section over the head pulley to the trolley.
  • the rope can be fixed relative to the second telescopic section by means of the rope clamping device, so that no more pull can be exerted on the transport trolley.
  • the winch is actuated, only the telescopic sections are extended to one another.
  • a locking device is known, by means of which the individual telescopic sections can be locked to one another in that after actuation of a locking device arranged on the lowest telescopic section - which effects a locking between the first and the second telescopic section - via corresponding cable connections automatically Interlocks between the subsequent telescopic sections are inserted or removed.
  • the invention has for its object to be able to perform as many functions as possible via a rope or a winch in a telescopic boom of the type mentioned.
  • the task is addressed here of being able to use a winch rope to simultaneously carry out a time-separated telescoping and angling of the last telescopic section.
  • the upper end of the second-last telescopic shot on the one hand and the lower end of the last telescopic shot on the other hand should be designed in such a way that the last telescopic shot and the penultimate telescopic shot are also securely guided to one another in any bending position. Since, in particular, the kinked part of the inclined lift on the eaves had previously been time-consuming and had to be carried out by hand under difficult conditions, the aim is to simplify this.
  • claims 2 and 3 relate to advantageous refinements of the locking device, by means of which the position of the last telescopic shot compared to the penultimate one can be fixed.
  • the claims 4 and 5 contain design features of the guides of the last and penultimate telescopic shot to each other for the purpose of kinking.
  • the teaching according to claim 5 is of its own inventive rank.
  • the slide shoe connected to the penultimate telescopic shot even with the associated handlebars, with a correspondingly long design, can form all or part of the bendable end of the penultimate telescopic shot, so that the am outer end of the penultimate telescopic shot articulated guide section according to claim 4 can be shortened or possibly omitted.
  • the features of claim 6 favor an inexpensive construction of the entire inclined elevator, because by assigning the tensioned rope profile cross sections of smaller dimensions can be used, which in turn has a favorable effect for the kinking technique according to the invention, because the weight of the last, bendable telescopic shot can be kept low .
  • the particular advantage of the invention thus lies in the use of only one winch and one rope for several functions, in particular for the telescoping of the individual telescopic sections in combination with the kinking of the last telescopic section.
  • the first telescopic section 4 of the inclined elevator 1 carries as an actuating means 3 a motor winch 23, the cable 2 of which is a pulley rope 8 of a pulley block 7, which, deflected several times via rollers 9, from the opposite ends of two adjacent telescopic sections (e.g. upper end 10 of the first telescopic section 4 and beginning 16 of the second telescopic section 5) is guided back and forth over rollers 9.
  • a manually operated lock 6 is provided, which is brought into engagement when a predetermined or selected extension length is reached, and thus prevents a relative displacement of these two shots.
  • the block and tackle rope 8 per se could be guided from the beginning 16 of the second telescopic section 5 via the penultimate telescopic section 13 directly to the beginning 14 of the last telescopic section 15.
  • the pulley rope 8 is fixed (see FIGS. 3, 4, 5).
  • the penultimate telescopic section 13 has at its outer end 12 a guide section 31 which is articulated over the axes 30 and whose guide profile 33 with its guide flanges 34 comprises the corresponding profile of the last telescopic section 15.
  • the last telescopic section 25 carries a corresponding articulated section 32 with the axes 30 'at its beginning 14.
  • the locking device 24 (see FIG. 9) is arranged such that in the locked position the joints 51, 52 with the axes 30, 30' are approximately at the same level and are therefore released.
  • the last telescopic section 15 now runs against a stop indicated at 48, which is arranged such that the two joints 51, 52 with their parting planes 35 are in the same position (see FIG. 5) and are thus released.
  • a stop indicated at 48 which is arranged such that the two joints 51, 52 with their parting planes 35 are in the same position (see FIG. 5) and are thus released.
  • the tackle rope 8 is tensioned so that a support arm 39, which can be pivoted, for example, about the wheel axis 46, pivots the slide shoe 37, on which the outer rollers 57 are arranged, with the outer shot part 36 of the last telescopic shot 15, so that this again with the penultimate telescopic shot 13 is brought into an aligned position.
  • a support arm 39 which can be pivoted, for example, about the wheel axis 46, pivots the slide shoe 37, on which the outer rollers 57 are arranged, with the outer shot part 36 of the last telescopic shot 15, so that this again with the penultimate telescopic shot 13 is brought into an aligned position.
  • the locking bolt 27 see FIG. 9) of the lever 28 pivoted by a spring 29 is guided out of the locking latch 26, and around that heart-shaped guide piece 25 pivoted around.
  • a locking piece 55 makes this function more secure.
  • the lock is released.
  • the last telescopic section 15 moves into the penultimate
  • the transport carriage 53 is moved in a known manner with the aid of an additional rope 59, which is guided over a load roller 58 (see FIG. 4) arranged at the end of the last telescopic section 15, to its end position shown in FIG.
  • FIG. 1 A further embodiment is shown in FIG. 1.
  • a tensioned cable 44 as the lower chord 41, the bending stiffness of the telescopic boom can be increased so that it experiences practically no significant deflection due to its own weight and the load (trolley 53) carried on it.
  • the individual telescopic sections are thus easier to move against each other.
  • the overall construction becomes lighter.
  • the load weight can be increased.
  • the tensioned cable 44 runs from a supply tension roller 42 via removable spacers 40 to an arbitrary attachment point on the penultimate telescopic section 13, and can be fixed by means of suitable clamping devices 43.
  • the supply tension roller 42 automatically pulls the tensioned rope 44 when the telescopic boom is shortened.
  • the lock 6 and the cable sections 19 of fixed length enable this function.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Jib Cranes (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Claims (6)

1. Flèche télescopique composée de plusieurs tronçons télescopiques, en particulier pour des élévateurs inclinés (1) dont les tronçons télescopiques (4, 5, 13, 15, 18) constituent des semelles de guidage (34) pour un chariot de transport (53) qui peut s'y déplacer cette flèche étant munie d'un câble (8) actionné par un treuil (23) guidé sous forme de moufle du premier tronçon télescopique (4) vers le deuxième tronçon télescopique (5) et de câbles de longueur finie (19) servant au déplacement des autres tronçons télescopiques, câbles qui sont guidés respectivement à partir d'un point fixe d'un tronçon télescopique, via l'extrémité du tronçon télescopique suivant, vers un point fixe du début d'un autre tronçon télescopique suivant, ceci incluant au moins le début (22) de l'avant dernier tronçon télescopique (13) ainsi que de verrouillages (6) bloquant la position de déploiement entre le premier tronçon télescopique (4) et le deuxième tronçon télescopique (5) caractérisée par les propriétés suivantes:
a) le câble (8) actionné par le treuil (23) est guidé à partir du deuxième tronçon télescopique (5) via l'extrémité (12) de l'avant dernier tronçon télescopique (13) et ensuite vers le début (14) du dernier tronçon télescopique (15) et est fixé à cet endroit.
b) Entre l'avant-dernier tronçon télescopique (13) et le dernier tronçon télescopique (15) on prévoit un dispositif de verrouillage (24) qu'on peut engager, respectivement dégager, en actionnant le câble (8).
c) l'extrémité (12) de l'avant dernier tronçon télescopique (13) et le début (14) du dernier tronçon télescopique (13) et le début (14) du dernier tronçon télescopique (15) ont une configuration rabattable.
2. Flèche télescopique suivant la revendication 1, caractérisée en ce que, entre l'avant-dernier tronçon télescopique (13) et le dernier tronçon télescopique (15), on prévoit un dispositif de verrouillage (24) s'engageant automatiquement, pour une longueur de déploiement prédéterminée, et qui empêche une rétraction du dernier tronçon télescopique (15) par rapport à l'avant-dernier tronçon télescopique (13).
. 3. Flèche télescopique suivant la revendication 1 ou 2, caractérisée en ce que comme dispositif de verrouillage s'engageant automatiquement (24), on dispose sur un des deux derniers tronçons télescopiques (13, 15) une pièce de guidage (25) en forme de coeur avec logement de verrou (26) et sur l'autre tronçon télescopique, un axe de verrouillage (27) qui peut basculer sous l'action d'un ressort (29) monté sur un levier (28), qui lors du mouvement de déploiement des tronçons télescopiques (13 ou 15) reste contre la pièce de guidage (25) et est guidé jusqu'à tomber dans le logement de verrou (26), avec mouvement de re- traction correspondant, et en ce que le logement de verrou (26) ainsi que la pièce de guidage (25) sont dimensionnées de telle façon que lors d'un nouveau mouvement relatif des tronçons télescopiques (13, 15) provoqué par une tension du câble, l'axe de verrouillage (27) se soulève hors du logement de verrou (26), continue à basculer et ensuite, lors du changement de direction suivant du mouvement des tronçons télescopiques (13, 15) retombe dans sa position de départ en basculant autour de la pièce de guidage (25).
4. Flèche télescopique suivant une des revendications 1 à 3, caractérisée en ce que l'avant- dernier tronçon télescopique (13) présente sur son extrémité (12) un tronçon de glissière (31) rapporté avec articulation (axes 30), tandis que le dernier tronçon télescopique (15) comporte un tronçon articulé correspondant (32) à son extrémité intérieure (début 14) les axes (30) de l'avant dernier tronçon télescopique (13) se trouvant à l'extérieur des profilés de guidage (33) et étant disposés, dans la position fixée par le dispositif de verrouillage, à peu près dans le plan de la semelle de guidage supérieure (34), dans le plan de séparation du tronçon de glissière (31).
5. Flèche télescopique suivant la revendication 4, caractérisée en ce que la partie extérieure de tronçon (36) du dernier tronçon télescopique (15) porte un patin (37) l'entourant extérieurement, qui est relié par des guides (38) à un bras d'appui (39) qui pour sa part est disposé d'une façon fixe sur l'extrémité (12) de l'avant dernier tronçon télescopique (13).
6. Flèche télescopique suivant une des revendications de 1 à 5, caractérisée en ce que le premier tronçon télescopique (4) et l'avant dernier tronçon télescopique (13) sont reliés par un câble (44) guidé sur des écarteurs (40), servant de membrure inférieure (41) se raccourcissant automatiquement (par exemple par une poulie d'enroulement de tension (42) ), et étant mis sous tension, lors de son immobilisation (par exemple par un dispositif de blocage (43) ), par les efforts de flexion des tronçons télescopiques sous-tendus, après que le verrouillage ait été effectué.
EP82108665A 1981-09-23 1982-09-20 Flèche télescopique, en particulier pour ascenseurs inclinés Expired EP0080038B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82108665T ATE20726T1 (de) 1981-09-23 1982-09-20 Teleskopausleger, insbesondere fuer schraegaufzuege.

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE3137846A DE3137846C2 (de) 1981-09-23 1981-09-23 Teleskopausleger mit mindestens zwei Teleskopschüssen
DE19813137845 DE3137845C2 (de) 1981-09-23 1981-09-23 Aus wenigstens drei Teleskopschüssen gebildeter Teleskopausleger
DE3137846 1981-09-23
DE19813137847 DE3137847C2 (de) 1981-09-23 1981-09-23 Teleskopausleger für Schrägaufzüge
DE3137845 1981-09-23
DE3137847 1981-09-23

Publications (3)

Publication Number Publication Date
EP0080038A2 EP0080038A2 (fr) 1983-06-01
EP0080038A3 EP0080038A3 (en) 1984-05-23
EP0080038B1 true EP0080038B1 (fr) 1986-07-16

Family

ID=27189569

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82108665A Expired EP0080038B1 (fr) 1981-09-23 1982-09-20 Flèche télescopique, en particulier pour ascenseurs inclinés

Country Status (3)

Country Link
US (1) US4491196A (fr)
EP (1) EP0080038B1 (fr)
DE (1) DE3272023D1 (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8437917U1 (de) * 1984-12-22 1985-05-02 Albert Boecker Gmbh & Co Kg, 4712 Werne Aus mehreren teleskopschuessen gebildeter bau- oder geruestaufzug
DE3500876C1 (de) * 1985-01-12 1986-06-19 Albert Böcker GmbH & Co KG, 4712 Werne Lastaufzug,insbesondere Schraegaufzug mit einer aus mehreren Teleskopschuessen zusammengesetzten Schiene
DE3505506A1 (de) * 1985-02-16 1986-08-28 Albert Böcker GmbH & Co KG, 4712 Werne Aus mehreren teleskopschuessen bestehender schraegaufzug
DE3532062A1 (de) * 1985-02-16 1986-08-21 Albert Böcker GmbH & Co KG, 4712 Werne Aus mehreren teleskopschuessen bestehender schraegaufzug
DE3532194A1 (de) * 1985-09-10 1987-03-12 Boecker Albert Gmbh & Co Kg Aus mehreren teleskopschuessen bestehender schraegaufzug
DE3625876A1 (de) * 1985-09-02 1987-03-05 Francesco Bono Auf einem fahrzeug fahrbarer lastenaufzug mit gleisartigem teleskopausleger
IT1183935B (it) * 1985-09-02 1987-10-22 Francesco Bono Montacarichi autotrasportabile con braccio telescopico binato
US4772175A (en) * 1986-11-13 1988-09-20 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Space station erectable manipulator placement system
US4875547A (en) * 1987-07-20 1989-10-24 Hanthorn Philip T Portable conveyor system with telescopic boom assembly and load carrying apparatus
US4793437A (en) * 1987-07-20 1988-12-27 Philip Hanthorn Portable lift with telescopic booms and load-carrying apparatus
US5495915A (en) * 1990-04-10 1996-03-05 Charles A. McDonnell Collapsible ladder
US5788377A (en) * 1995-06-06 1998-08-04 Uniflex, Inc. Tamper-resistant envelope
US5911287A (en) * 1997-12-24 1999-06-15 Campbell; Ronald L. Lifting device for use with a ladder
US6308802B1 (en) * 2000-08-17 2001-10-30 Michel Briere Mobile elevator assembly
US6527088B1 (en) 2000-12-27 2003-03-04 David W. Fowler Lift apparatus for transporting packages between two or more floors of a building
US7681691B1 (en) 2007-04-16 2010-03-23 William Miller Planar object lifting apparatus
US8136632B2 (en) 2008-07-10 2012-03-20 Edward J. Gabriel Collapsible platform assembly for a ladder
DE202009007991U1 (de) * 2009-06-05 2010-10-28 Ovibell Pflanzen, Deko Und Freizeit Gmbh & Co. Kg Teleskopierbare Leiter
US9169693B2 (en) 2009-09-18 2015-10-27 Safe Rack Llc Mobile access unit and cage
WO2012175766A2 (fr) * 2011-06-20 2012-12-27 Rec. International Alfydia Limited Procédé et dispositif élévateur pour le montage et le démontage de composants d'une éolienne
US8689937B2 (en) * 2011-09-20 2014-04-08 Gilberto M. Grado Cargo lifting device for a ladder
US8322489B1 (en) * 2012-02-12 2012-12-04 Orville Douglas Denison Aerial rescue device
GB2554740A (en) * 2016-10-07 2018-04-11 Bright Structures Ltd A materials handling system
CN117068910B (zh) * 2023-10-19 2024-03-22 佛山市正江科技有限公司 一种伸缩承重装置及其安装和使用方法

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US470112A (en) * 1892-03-01 Fire-escape
US1115721A (en) * 1913-11-22 1914-11-03 Frederick Teed Murdoch Skid.
US2987140A (en) * 1958-09-15 1961-06-06 Hyster Co Multiple stage mast structure
US3394778A (en) * 1966-11-25 1968-07-30 Eaton Yale & Towne Lift truck mast assembly
US3451506A (en) * 1967-10-13 1969-06-24 Vernon L Neal Collapsible ladder
US3693755A (en) * 1970-08-03 1972-09-26 Morita Fire Pump Mfg Device for preventing falling down of lifter of fire fighting ladder-equipped vehicle
DE2701193A1 (de) * 1977-01-13 1978-07-20 Albert Boecker Fa Ausfahrvorrichtung zum ausfahren der schienenpaare bei teleskopierbaren auslegern an schraegbauaufzuegen
US4102433A (en) * 1977-02-18 1978-07-25 Leslie Van Valkenburgh Ladder
DE2708796A1 (de) * 1977-03-01 1978-09-07 Albert Boecker Fa Transportschlitten fuer schraegaufzuege

Also Published As

Publication number Publication date
DE3272023D1 (en) 1986-08-21
EP0080038A3 (en) 1984-05-23
US4491196A (en) 1985-01-01
EP0080038A2 (fr) 1983-06-01

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