EP1772413A1 - Ascenseur (ascenseur "rucksack" comprenant une cabine suspendue au cadre de cabine) - Google Patents

Ascenseur (ascenseur "rucksack" comprenant une cabine suspendue au cadre de cabine) Download PDF

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Publication number
EP1772413A1
EP1772413A1 EP06020282A EP06020282A EP1772413A1 EP 1772413 A1 EP1772413 A1 EP 1772413A1 EP 06020282 A EP06020282 A EP 06020282A EP 06020282 A EP06020282 A EP 06020282A EP 1772413 A1 EP1772413 A1 EP 1772413A1
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EP
European Patent Office
Prior art keywords
car
elevator
drive
frame
elevator car
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.)
Granted
Application number
EP06020282A
Other languages
German (de)
English (en)
Other versions
EP1772413B9 (fr
EP1772413B1 (fr
Inventor
Wolfgang Adldinger
Dietmar Dr. Küntscher
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.)
Wittur Holding GmbH
Original Assignee
Wittur AG
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Filing date
Publication date
Application filed by Wittur AG filed Critical Wittur AG
Publication of EP1772413A1 publication Critical patent/EP1772413A1/fr
Application granted granted Critical
Publication of EP1772413B1 publication Critical patent/EP1772413B1/fr
Publication of EP1772413B9 publication Critical patent/EP1772413B9/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B66B11/02—Cages, i.e. cars
    • B66B11/0206—Car frames

Definitions

  • the application relates to a cable lift according to the preamble of claim 1, as it is usually realized for lifts in medium-heavy construction up for lifts in lightweight construction and in both cases up to medium speeds.
  • Heavily eccentrically suspended elevators are those in which the car consisting of car frame and elevator car is subjected to significant bending stresses due to suspension, which it has to withstand.
  • elevators are distinguished by the fact that the carrying cable is fastened outside the projection of the car base area available for the payload.
  • Cab frames of heavily off-center elevators or backpack elevators are usually in the shape of a L. The cab is placed on the lower horizontal part of the L. This form of car frame is used in connection with rope mechanical drives as well as with hydraulic drives. Since the elevator car itself is practically not charged with appreciable bending loads but "sits", it can be designed accordingly easy.
  • the heavily off-center car suspension or the backpack suspension is, in practice in many cases therefore given preference, in particular in conjunction with an L-shaped car frame, because it is possible by such suspensions without particular design difficulties, access to three sides of the elevator car provided.
  • Such constructions are therefore particularly flexible with regard to the position of the cabin door or the cabin doors.
  • backpack elevators or elevators with a highly eccentric car suspension system have a worse overall efficiency than centrally guided elevators.
  • the cable guides are carried out in practice in a variety of ways.
  • a special form in this context is the 2: 1 suspension of the counterweight with the 1: 1 suspension of the car.
  • Such a backpack lift with an L-shaped car frame is z. B. from the DE 44 36 088 known.
  • the known structures with L-shaped car frame have the disadvantage that in particular below the actual elevator car some space is needed - namely, the additional space for the horizontal beam of the L-shaped car frame.
  • the support frame at least one extending substantially in the horizontal direction support arm comprises, which runs above the elevator car and on which the elevator car is suspended.
  • the basic idea of the invention is therefore the principle reversal of saddled loads to suspended loads.
  • the load is the elevator car, which hangs with its payload on the upper horizontal part of the car frame - with the vast majority of its weight, preferably even with its almost total weight.
  • the car frame thus has the stylized form of a gallows-like structure, d. H. an upside down "L".
  • space is gained on the underside of the elevator car, which provides advantages for small shaft pits.
  • a particularly preferred embodiment provides that the vertical parts of the support frame are shortened relative to the lower edge of the elevator car, d. H. so far above the lower edge of the elevator car end that below the vertical parts of the support frame and in extension of their projection down an additional, further clearance between the cabin and shaft wall is present, which is used by other shaft internals, such as cabin buffers, which protrude into it ,
  • Such a design allows because of the associated once again optimized space utilization very small pits, provided the Schutzraum insurance for assembly and / or service personnel shaft pit side the known replacement measures.
  • a space is available, which receives a portion of the drive and / or the cable guide when the car has reached a specific shaft position, so that at least a section of the car (Namely, the support frame or preferably even the elevator car) reaches the same height position as the recorded part of the drive and / or the cable guide or even passes this.
  • This embodiment allows the construction of facilities that cope with very small shaft heads - if the protective frame for the assembly and / or service personnel the known replacement measures are provided.
  • the described embodiments of the car frame invention thus allow car heights and shaft depths, which are only slightly larger than the vertical dimensions of the car plus safety distance. This is especially important in new plants, where thus shaft heads and pits with integrated shelters or extremely small vertical shaft heads and / or pit dimensions can be provided, as well as when replacing a found in the building to be rehabilitated hydraulic system. The latter usually comes from the vertical shaft dimensions with much smaller installation spaces than the usual rope mechanical systems. Therefore, the Sanierer on-site also only correspondingly tight shafts available.
  • the elevator car is suspended by means of an elastic mounting on the at least one support arm extending substantially in the horizontal direction.
  • the elevator car is additionally attached to at least one substantially vertically extending support arm of the support frame.
  • an elastic bearing is used, which essentially only allows the transmission of forces acting in the horizontal direction. This ensures that the elevator car does not become tense. Because a rigid bearing in the field of vertical arms can raise problems when the elevator car performs certain vertical movements in the region of their upper, usually elastic bearing and does not yield the rigid bearing in the vertical direction accordingly.
  • a further preferred embodiment provides that any suspension means suspension, preferably with 2: 1 and at least one loose role on the car or the counterweight or 1: 1 or in the special case for the car with the counter load with 2: 1 can be provided and that as a means of suspension wire ropes or plastic belts with or without reinforcements made of other materials, without or with wedge or arcuate longitudinal profiles in the belt to increase traction can be used.
  • the use of a 2: 1 suspension by the counter load creates additional space below the counterweight which can be used constructively.
  • the suspension means described here favor this further by allowing a compact construction.
  • Fig. 1 shows a backpack lift 1, in which both the elevator car 3 (cabin in the broadest sense - whose design can be almost arbitrary) and the counterweight 4 are each 2: 1 suspended.
  • the drive 7 is here, which is particularly advantageous as traction sheave drive with double wrap designed - such a drive is very compact from home and thus makes its contribution to the optimal use of space.
  • the elevator car 4 hangs on the upper part of the car frame 2.
  • the elevator car 3 is equipped with zugaufnemden structural elements that ensure a safe dissipation of the initiated by the payload in the cabin floor forces towards the suspension points with which the elevator car is mounted on the ceiling side of the support frame.
  • the support frame 2 carries the guide means or guide rollers of the car as well as the catching means and the other safety devices.
  • the car suspension which is provided with a guide roller 10 is placed in the lower part of the vertical portion of the support frame 2 at this. It thus allows retraction of the higher-lying parts of the support frame right and left of the drive 7 and 8, ie a part of the traction sheave 7 associated deflecting 8 comes to rest between the substantially vertically extending support arms or Tragarmabitesen the support frame 2. As a result, space is saved in the shaft head area, so that if necessary, the drive 7 can be mounted service-friendly with an increased distance to the shaft head ceiling.
  • the lower part of the vertical portion of the support frame 2 will often close almost flush with the lower edge of the elevator car, it ends here clearly above the cabin floor. In this way, additional space is gained below the support frame between the elevator car and the shaft wall. This is used here to accommodate a buffer 5 or (not shown here) of multiple buffers.
  • FIG. 2 shows a variant of the elevator just described with reference to FIG. 1.
  • a 2: 1 suspension with traction sheave drive and simple rather than double wrap is provided.
  • both wire ropes and belts of any type can be used.
  • the use of belts, in particular elastomer-coated belts can offer particular advantages.
  • the straps have a high degree of traction even with heavy bends. They allow small pulley diameters.
  • Fig. 3 The embodiment shown by Fig. 3 is characterized in that the car 3 is suspended in the ratio 1: 1, while the counterweight 4 is suspended in the ratio 2: 1.
  • the path of the counterweight 4 is shortened in this way in half. This creates ideal space for the installation of further (not shown here) construction components in the pit area below the distance traveled by the counterweight in the shaft path.
  • FIG. 4 shows another elevator example with a 1: 1 suspension, and a traction sheave 7 with simple looping. Again, this solution can be performed with traction sheave with a corresponding counter-disc and double wrap.
  • FIG. 5 shows an elevator construction with hydraulic drive.
  • the suspension is here 2: 1 executed to keep the required by the hydraulic cylinder 13 working stroke small.
  • the support cable 6 runs over a deflection roller 14, which is arranged as a roller head on the hydraulic cylinder 13.
  • the invention- ⁇ e support frame construction has a particularly advantageous. Because the roller head on the hydraulic cylinder 13 can retract at the top position of the car between the vertical portions of the support frame 2 (from above), wherein the car approaches from below the roller 14 and the roller 14 between the vertical sections of the support frame 2 vertically no longer sticking out over this.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Types And Forms Of Lifts (AREA)
EP06020282A 2005-10-04 2006-09-27 Ascenseur (ascenseur "rucksack" comprenant une cabine suspendue au cadre de cabine) Active EP1772413B9 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005047499A DE102005047499A1 (de) 2005-10-04 2005-10-04 Aufzug (Rucksackaufzug mit am Fahrkorbrahmen aufgehängter Kabine)

Publications (3)

Publication Number Publication Date
EP1772413A1 true EP1772413A1 (fr) 2007-04-11
EP1772413B1 EP1772413B1 (fr) 2010-12-15
EP1772413B9 EP1772413B9 (fr) 2011-03-09

Family

ID=37622020

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06020282A Active EP1772413B9 (fr) 2005-10-04 2006-09-27 Ascenseur (ascenseur "rucksack" comprenant une cabine suspendue au cadre de cabine)

Country Status (5)

Country Link
EP (1) EP1772413B9 (fr)
CN (1) CN1944215B (fr)
AT (1) ATE491663T1 (fr)
DE (2) DE102005047499A1 (fr)
ES (1) ES2357462T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2050703A3 (fr) * 2007-10-16 2009-07-22 Exclusive Lift GmbH Installation d'ascenseur pour personnes et/ou charges dotée d'au moins une cabine d'ascenseur
DE102014017357A1 (de) 2014-11-25 2016-05-25 Thyssenkrupp Ag Aufzuganlage

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998039242A1 (fr) * 1997-03-06 1998-09-11 Inventio Ag Cabine d'ascenseur
WO2000044664A1 (fr) * 1999-01-27 2000-08-03 Kone Corporation Ascenseur a poulie d'entrainement
DE20320004U1 (de) * 2003-12-22 2004-02-26 Wittur Ag Treibscheibenaufzug in Rucksackbauweise
US20040094370A1 (en) * 2002-08-29 2004-05-20 Esben Rotboll Lift cage, lift with the lift cag and method of assembling the lift
WO2004096691A1 (fr) * 2003-04-30 2004-11-11 Wittur Ag Ascenseur
EP1520831A1 (fr) * 2003-10-02 2005-04-06 S.A.L.A. CONSULTING S.A.S. DI SARA FALETTO & C. Ascenseur avec tête et fosse de gaine réduites, même sans salle des machines

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4436088B4 (de) * 1994-10-10 2005-06-16 Wittur Ag Aufzug mit einem an einem Gestell rucksackgeführtem Fahrkorb
EP1394095A1 (fr) * 2002-08-29 2004-03-03 Inventio Ag Cabine d'ascenseur
CN1261342C (zh) * 2002-11-18 2006-06-28 上海三菱电梯有限公司 电梯轿厢
DE20312626U1 (de) * 2003-08-16 2003-10-16 Ziehl Abegg Ag Antriebsmotor für einen Treibscheibenaufzug mit einem Anschlusskasten
DE20314469U1 (de) * 2003-09-18 2003-12-11 Aufzugteile Bt Gmbh Treibscheibenaufzug mit einer an Tragmitteln aufgehangenen Trageinrichtung für eine Aufzugskabine
DE202005011467U1 (de) * 2005-07-21 2005-09-29 Exclusive Lift Gmbh Aufzug für Personen und/oder Lasten

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998039242A1 (fr) * 1997-03-06 1998-09-11 Inventio Ag Cabine d'ascenseur
WO2000044664A1 (fr) * 1999-01-27 2000-08-03 Kone Corporation Ascenseur a poulie d'entrainement
US20040094370A1 (en) * 2002-08-29 2004-05-20 Esben Rotboll Lift cage, lift with the lift cag and method of assembling the lift
WO2004096691A1 (fr) * 2003-04-30 2004-11-11 Wittur Ag Ascenseur
EP1520831A1 (fr) * 2003-10-02 2005-04-06 S.A.L.A. CONSULTING S.A.S. DI SARA FALETTO & C. Ascenseur avec tête et fosse de gaine réduites, même sans salle des machines
DE20320004U1 (de) * 2003-12-22 2004-02-26 Wittur Ag Treibscheibenaufzug in Rucksackbauweise

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2050703A3 (fr) * 2007-10-16 2009-07-22 Exclusive Lift GmbH Installation d'ascenseur pour personnes et/ou charges dotée d'au moins une cabine d'ascenseur
EP2325128B1 (fr) 2007-10-16 2017-08-23 Inventio AG Installation d'ascenseur pour personnes et/ou charges dotée d'au moins une cabine d'ascenseur
DE102014017357A1 (de) 2014-11-25 2016-05-25 Thyssenkrupp Ag Aufzuganlage

Also Published As

Publication number Publication date
DE502006008498D1 (de) 2011-01-27
CN1944215B (zh) 2010-09-29
ES2357462T3 (es) 2011-04-26
ATE491663T1 (de) 2011-01-15
EP1772413B9 (fr) 2011-03-09
DE102005047499A1 (de) 2007-04-12
CN1944215A (zh) 2007-04-11
EP1772413B1 (fr) 2010-12-15

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