EP4397615A1 - Aufzugsschienen - Google Patents

Aufzugsschienen Download PDF

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Publication number
EP4397615A1
EP4397615A1 EP23150392.1A EP23150392A EP4397615A1 EP 4397615 A1 EP4397615 A1 EP 4397615A1 EP 23150392 A EP23150392 A EP 23150392A EP 4397615 A1 EP4397615 A1 EP 4397615A1
Authority
EP
European Patent Office
Prior art keywords
guide rail
guide
solid
flange portion
elevator
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.)
Pending
Application number
EP23150392.1A
Other languages
English (en)
French (fr)
Inventor
Akshay SASTE
Amit PRATIHAR
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.)
Inventio AG
Original Assignee
Inventio 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 Inventio AG filed Critical Inventio AG
Priority to EP23150392.1A priority Critical patent/EP4397615A1/de
Publication of EP4397615A1 publication Critical patent/EP4397615A1/de
Pending 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
    • B66B7/022—Guideways; Guides with a special shape

Definitions

  • Elevator rails are typically used as a guiding element for simultaneous movement of elevator cars and associated counterweights.
  • Existing elevator systems utilize custom irregular shaped elevator rails that are generally hollow.
  • WO2021122814A1 shows a drive system for an elevator installation, comprising: a drive and a drive suspension means for fastening the drive to a support element of the elevator installation.
  • the support element disclosed is a guide rail capable of tiltably mounting the drive. The application focuses on the installation of the drive system onto the support element using a rotary joint.
  • an elevator rail in particular, a solid guide rail for guiding moving bodies of an elevator system for installation in a multi-story building.
  • the solid guide rail guides the moving bodies of the elevator system.
  • the moving bodies serve as at least one of an elevator car (hereinafter referred to as car) for the transport of people or goods and a counterweight.
  • the solid guide rail has at least one guide contour suitable for interacting with a guide shoe.
  • the solid guide rail includes a plurality of guide contours adapted to engage with the counterweight and the car.
  • the solid guide rail includes at least one flange portion and at least one web portion. This means the solid guide rail has one of an I-shaped cross section, a T-shaped cross section, and a double T shaped cross section.
  • the "guide contours" are preferably plane guiding surfaces defined on at least one of the flange portion and the web portion.
  • the guide contours may be reworked by machining to provide a geometrically defined clean surface.
  • the guide contours may be defined preferably along the ends of at least one of the flange portion and the web portion.
  • the guide contours may be defined at different positions along the length of the flange portions and the web portions.
  • the guide contours may be formed as grooves or projections at different positions along the length of the flange portions and the web portions.
  • At least one of the plurality of guide contours is defined as a braking contour and formed on at least one end of the at least one flange portion wherein the braking contour serves as a braking surface for a safety brake of the car.
  • the solid guide rail includes a flange portion perpendicularly oriented to the web portion.
  • the flange portion and the web portion collectively define a T-shaped cross section or T-shaped profile.
  • an end of the web portion and at least one of the ends and preferably each end of the flange portion defines the plurality of guide contours.
  • the solid guide rail includes a pair of web portions and the flange portion perpendicularly oriented with respect to each of the pair of web portions.
  • a first web portion, from the pair of web portions, is spaced apart from a second web portion.
  • the flange portion and the pair of web portions collectively define a double T-shaped cross section or double T-shaped profile.
  • Each end of the flange portion and each end of the pair of web portions define the plurality of guide contours.
  • the solid guide rail includes two parallel flange portions at ends of the web portion.
  • the guide contours are formed only along the flange portions.
  • the solid guide rail having a T-shaped cross section the solid guide rail includes a single flange portion at one end of the web portion.
  • the guide contours are formed along the flange portion and a free end of the web portion.
  • the solid guide rail having a double T shaped cross section the solid guide rail includes a single flange portion and two web portions extending from the single flange portion. The two web portions are spaced apart with each of the two web portions having a free end.
  • the guide contours are formed along the flange portion and the two free ends of the two web portions.
  • At least one of the plurality of guide contours is defined as a braking contour and formed on one end of the at least one web portion.
  • the braking contour serves as a braking surface for a safety brake of the car.
  • the safety brake can act on the braking contour, thus bringing the car safely to a halt.
  • the safety brake can be adapted to exert a retarding force on the braking contour thereby generating corresponding frictional forces bringing the car to a halt. Since the elevator rail is designed as a solid guide rail to be sturdy, the solid profile in comparison to existing hollow rails can better withstand the pressure forces.
  • the solid guide rail further includes at least one bracket fastening contour adapted to allow attachment of at least one bracket thereon in a vertically movable manner.
  • the bracket is attached to the bracket fastening contour such that it can be moved upwards and/or downwards in the bracket fastening contour. This allows for the problem of building subsidence to be considered. If the building is still subsiding after the elevator has been installed, the bracket that aligns the solid guide rail can be moved downwards along the bracket fastening contour without applying a moment to the solid guide rail or the bracket being bent.
  • the advantage of the brackets is that they can be designed in a simple manner and space can be used optimally.
  • a guide system includes at least a first solid guide rail and a second solid guide rail.
  • the guide system includes a plurality of brackets, each fastened to the first solid guide rail and the second solid guide rail.
  • the plurality of brackets connects the first solid guide rail and the second solid guide rails directly or indirectly to a shaft wall.
  • the plurality of brackets is connected to one shaft wall, from among a plurality of shaft walls, such that the shaft wall is a front wall in which the floor openings are integrated.

Landscapes

  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
EP23150392.1A 2023-01-05 2023-01-05 Aufzugsschienen Pending EP4397615A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP23150392.1A EP4397615A1 (de) 2023-01-05 2023-01-05 Aufzugsschienen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP23150392.1A EP4397615A1 (de) 2023-01-05 2023-01-05 Aufzugsschienen

Publications (1)

Publication Number Publication Date
EP4397615A1 true EP4397615A1 (de) 2024-07-10

Family

ID=84829816

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23150392.1A Pending EP4397615A1 (de) 2023-01-05 2023-01-05 Aufzugsschienen

Country Status (1)

Country Link
EP (1) EP4397615A1 (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2242318A1 (en) * 1973-09-03 1975-03-28 Durand Francois Lift using rolled steel beam as guide track - lift cabin and counterweights run along opposite sides of beam
EP0611724A1 (de) * 1993-02-15 1994-08-24 C. HAUSHAHN GmbH & Co. Führungsvorrichtung für Aufzüge
DE4423412A1 (de) * 1994-07-05 1996-04-11 Foerder Weber & Systemtechnik Führungseinrichtung
WO1998018709A1 (en) * 1996-10-31 1998-05-07 Otis Elevator Company Elevator guide rail
WO2020127787A1 (de) 2018-12-20 2020-06-25 Inventio Ag Aufzugsschiene
WO2021122814A1 (de) 2019-12-19 2021-06-24 Inventio Ag Antriebssystem für eine aufzugsanlage, aufzugsanlage sowie verfahren zur montage eines antriebs an einem stützelement einer aufzugsanlage

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2242318A1 (en) * 1973-09-03 1975-03-28 Durand Francois Lift using rolled steel beam as guide track - lift cabin and counterweights run along opposite sides of beam
EP0611724A1 (de) * 1993-02-15 1994-08-24 C. HAUSHAHN GmbH & Co. Führungsvorrichtung für Aufzüge
DE4423412A1 (de) * 1994-07-05 1996-04-11 Foerder Weber & Systemtechnik Führungseinrichtung
WO1998018709A1 (en) * 1996-10-31 1998-05-07 Otis Elevator Company Elevator guide rail
WO2020127787A1 (de) 2018-12-20 2020-06-25 Inventio Ag Aufzugsschiene
WO2021122814A1 (de) 2019-12-19 2021-06-24 Inventio Ag Antriebssystem für eine aufzugsanlage, aufzugsanlage sowie verfahren zur montage eines antriebs an einem stützelement einer aufzugsanlage

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