EP0933324A2 - Selbsttragendes Aufzugssystem - Google Patents

Selbsttragendes Aufzugssystem Download PDF

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Publication number
EP0933324A2
EP0933324A2 EP99200645A EP99200645A EP0933324A2 EP 0933324 A2 EP0933324 A2 EP 0933324A2 EP 99200645 A EP99200645 A EP 99200645A EP 99200645 A EP99200645 A EP 99200645A EP 0933324 A2 EP0933324 A2 EP 0933324A2
Authority
EP
European Patent Office
Prior art keywords
lift
guides
car
well
lift system
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.)
Withdrawn
Application number
EP99200645A
Other languages
English (en)
French (fr)
Other versions
EP0933324A3 (de
Inventor
Aldo Loiodice
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.)
Individual
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
Priority claimed from EP95201469A external-priority patent/EP0686594B1/de
Publication of EP0933324A2 publication Critical patent/EP0933324A2/de
Publication of EP0933324A3 publication Critical patent/EP0933324A3/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/02—Guideways; Guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/0035—Arrangement of driving gear, e.g. location or support
    • B66B11/004—Arrangement of driving gear, e.g. location or support in the machine room
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/02—Guideways; Guides
    • B66B7/023—Mounting means therefor
    • B66B7/027—Mounting means therefor for mounting auxiliary devices

Definitions

  • the present invention relates to elevators, lifts or hoists of the electrical or rope type and with self load bearing aspects, and further a new arrangement for mounting the main motor in lift systems and the like.
  • motors are generally placed into a "motor or engine room” in turn placed upon, or above the runway well.
  • said motors are connected to the building structure or to a metallic support frame in turn connected to the building structure.
  • Positioning the motor under the runway well requires the spatial availability for building an engine room in such a position, sometimes denied by the existence of accessible rooms such as garages and cellars, and also requires to have cement reaction plinths of large dimensions, their mass having to be much larger than the sum of the suspended system loads and its capacity load.
  • the main object of the present invention thus is to provide a lift system which is self load bearing, not of the hung up type but of the "abutting" type, namely able to discharge loads into the pit, and thus not acting on the upper slab.
  • a further object of the present invention is to provide a lift system which allows a maximum and complete use of the available space as pneumatic lift systems.
  • a further object of the invention is to notably reduce the engine room dimension and not having to place it upon the runway well of the lift-car.
  • a further object of the present invention is to provide a lift system able to use a power which is about half the power used by conventional pneumatic lift systems.
  • a further object of the present invention is to provide a modular manufacture of the whole system as to obtain the certification "in factory” without requiring a certification in the field when the system is mounted.
  • a further object of this invention is to provide an arrangement for mounting motors in electric lift apparatuses which overcomes the above said problems of the prior art, allowing to place the engine room anywhere along the runway well of the lift-car even without load bearing walls.
  • the lift, elevator, hoist and the same system according to the invention has the aspects set forth in the characterizing part of claim 1.
  • the inventive arrangement for mounting lift motors has the aspects set forth in the characterizing part of claim 6. Further advantageous aspects of the invention are claimed in the dependent claims.
  • Figures 5A and 5B show a conventional embodiment of a prior art electric lift system.
  • car 100 has a dimension notably lower than the lift well 112.
  • Guides 114 of counter-weight 116 are placed along the side of the lift-car and at different planes with respect to the plane whereat guides 118 of the lift-car lie. It is also shown, upon the end runway position in the well in which the lift moves, an engine room 120 where a winch and a deflection pulley 122 are placed in a hung up to the slab relationship.
  • FIG 1 a plant view of a lift system 10 according to the present invention is shown, said system being mounted to a lift-car 12 of the two opposed entrances type.
  • FIG 2 such a system has been mounted to a lift-car 12 having just one entrance, but it will be understood that those lift-cars have been shown as not limitative embodiments only.
  • the first new feature consists, as it will be clear to a man skilled in the art, in placing the lift-car guides 14 and the counter-weight guides 16 at a single plain: which thus allows to obtain a notable space saving with respect to what hitherto done.
  • System 10 further is self loading because guides 14, 16 provide a support frame which is completely autonomous under the structural point of view, with loads discharged directly into pit 42 (Fig.3) as in pneumatic systems.
  • guides behave as tip loaded beams because upon them some transmission pulleys 36 are placed in an "abutting" relationship (Fig. 3).
  • This engine room will be comparable to a "box” or “cabinet” 50 with doors 44 that can be opened and allowing an easy maintenance; when the doors are in their opened position they provide an engine room 50' meeting the dimension requirements imposed by rules.
  • said engine room has an only about 350 mm minimum width.
  • the engine room 50,50' with the arrangement shown in the various figures of the drawing, has the new feature of being placed at any height along the runway well of the lift-car (Fig.4).
  • This feature as well makes absolutely easy and inexpensive its installation in preexisting buildings.
  • the believed structurally and space-saving optimum diameter of transmission pulleys 36 is 360mm and 400mm with four ropes in turn having a 9mm diameter for capacities up to 630Kg.
  • Such a system as the inventive one further provides, in a more advantageous way with respect to a common pneumatic system, the possibility of being used for any lift-car runway length and using powers that are halved with respect to said pneumatic system.
  • the only building work which is necessary for mounting the system according to the present invention is to fix the guides to the well walls by proper brackets 38 if a specific metal frame is not used.
  • FIG. 6 a pair of guides 60 is shown, said guides representing both counter-weight guides or lift-car guides, respectively, on which a supporting shelf 62 is transversely mounted for supporting the motor with its relative traction pulley, not shown for a better comprehension of the drawings, through shaped sheets 64.
  • shelf 62 will not be further described being dependent from the particular motor used, and being derived by the motor frame usually used for the particular motor in a very well known way for a man skilled in the art.
  • said shaped sheets 64 are mounted at one of the joints 66 between the section bars forming guides 60, which section bars, as it is known, are necessary in all the lift systems.
  • said joints 66 are generally obtained by a plate 68 provided with holes 70 in which screw and bolt assemblies passing through holes 72, said holes 72 being correspondingly arranged on the end portions of section bars forming the guides, are inserted.
  • sheets 64 at one of the joints, between section bars forming the guides 60 and plates 68 it is possible to use the same fasteners having only to provide additional holes 74 only on the sheets 64.
  • such an arrangement of sheets 64 at one of joints 66 provides a convenient stiffening of joint 66 itself being possible to add fasteners of sheets 64 to guides 60 at a distance from joint 66 larger than plate 68 dimensions.
  • the motor can be placed in any position along the runway well of the lift-car, irrespective of the strength of the walls and the supporting frame.
  • the reaction forces will be conveyed on guides 60 through shelf 62 and thus they will be self compensated by opposed forces due to the load on the upper pulleys, as above said, discharging said loads into the pit or connecting them to a beam which can laterally discharge its loads at a distance from the runway well, which is particularly useful when there is an usable sole under the runway well.
  • the shelf 12 could be connected as above pointed out to both the guide pairs, resulting in a very advantageous distribution of loads.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Types And Forms Of Lifts (AREA)
  • Design And Manufacture Of Integrated Circuits (AREA)
  • Toilet Supplies (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
EP99200645A 1994-06-09 1995-06-03 Selbsttragendes Aufzugssystem Withdrawn EP0933324A3 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITMI941205A IT1270195B (it) 1994-06-09 1994-06-09 Dispositivo ascensore, montacarichi o simili autoportante
ITMI941205 1994-06-09
EP95201469A EP0686594B1 (de) 1994-06-09 1995-06-03 Selbsttragendes Aufzugsystem und Einbaueinrichtung für dessen Hauptmotor

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP95201469A Division EP0686594B1 (de) 1994-06-09 1995-06-03 Selbsttragendes Aufzugsystem und Einbaueinrichtung für dessen Hauptmotor

Publications (2)

Publication Number Publication Date
EP0933324A2 true EP0933324A2 (de) 1999-08-04
EP0933324A3 EP0933324A3 (de) 2001-12-05

Family

ID=11369085

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99200645A Withdrawn EP0933324A3 (de) 1994-06-09 1995-06-03 Selbsttragendes Aufzugssystem

Country Status (2)

Country Link
EP (1) EP0933324A3 (de)
IT (1) IT1270195B (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2802521A1 (fr) * 1999-12-16 2001-06-22 Otis Elevator Co Ensemble de charpente de support de machine d'ascenseur monte sur le mur de la cage d'ascenseur et systeme d'ascenseur correspondant
EP1151955A4 (de) * 1999-12-06 2003-05-21 Mitsubishi Electric Corp Aufzugsgeraet
EP1520831A1 (de) * 2003-10-02 2005-04-06 S.A.L.A. CONSULTING S.A.S. DI SARA FALETTO & C. Aufzug mit reduziertem Schachtkopf und Schachtgrube, sogar ohne Maschinenraum

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4793441A (en) * 1987-10-20 1988-12-27 Otis Elevator Company Elevator car system with three guide rails
DE3922798C1 (de) * 1989-07-11 1990-09-20 Gerhard Ing.(Grad.) 8060 Dachau De Schlosser
EP0442230A1 (de) * 1990-02-13 1991-08-21 Otis Elevator Company Aufzugsmontagevorrichtung mit einer modularen Trägerkolonne und ein solcher Aufzug
DE9302119U1 (de) * 1993-02-15 1993-04-01 C. Haushahn Gmbh & Co, 7000 Stuttgart, De

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4793441A (en) * 1987-10-20 1988-12-27 Otis Elevator Company Elevator car system with three guide rails
DE3922798C1 (de) * 1989-07-11 1990-09-20 Gerhard Ing.(Grad.) 8060 Dachau De Schlosser
EP0442230A1 (de) * 1990-02-13 1991-08-21 Otis Elevator Company Aufzugsmontagevorrichtung mit einer modularen Trägerkolonne und ein solcher Aufzug
DE9302119U1 (de) * 1993-02-15 1993-04-01 C. Haushahn Gmbh & Co, 7000 Stuttgart, De

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1151955A4 (de) * 1999-12-06 2003-05-21 Mitsubishi Electric Corp Aufzugsgeraet
EP1801062A1 (de) * 1999-12-06 2007-06-27 Mitsubishi Denki Kabushiki Kaisha Aufzugsvorrichtung
FR2802521A1 (fr) * 1999-12-16 2001-06-22 Otis Elevator Co Ensemble de charpente de support de machine d'ascenseur monte sur le mur de la cage d'ascenseur et systeme d'ascenseur correspondant
EP1520831A1 (de) * 2003-10-02 2005-04-06 S.A.L.A. CONSULTING S.A.S. DI SARA FALETTO & C. Aufzug mit reduziertem Schachtkopf und Schachtgrube, sogar ohne Maschinenraum

Also Published As

Publication number Publication date
ITMI941205A1 (it) 1995-12-09
IT1270195B (it) 1997-04-29
EP0933324A3 (de) 2001-12-05
ITMI941205A0 (it) 1994-06-09

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