DE102005002607A1 - Elevator, with a cabin riding between guide rails, has the machine and emergency brake in a cube structure mounted at the top of the shaft with an angle carrier at the shaft wall and roof - Google Patents

Elevator, with a cabin riding between guide rails, has the machine and emergency brake in a cube structure mounted at the top of the shaft with an angle carrier at the shaft wall and roof

Info

Publication number
DE102005002607A1
DE102005002607A1 DE200510002607 DE102005002607A DE102005002607A1 DE 102005002607 A1 DE102005002607 A1 DE 102005002607A1 DE 200510002607 DE200510002607 DE 200510002607 DE 102005002607 A DE102005002607 A DE 102005002607A DE 102005002607 A1 DE102005002607 A1 DE 102005002607A1
Authority
DE
Germany
Prior art keywords
car
shaft
elevator
elevator machine
traction sheave
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Withdrawn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
DE200510002607
Other languages
German (de)
Inventor
Klaus Fichtner
Jens Werdin
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 ELECTRIC DRIVES GMBH, DE
Original Assignee
SYSTEM ANTRIEBSTECHNIK DRESDEN
SYSTEM ANTRIEBSTECHNIK DRESDEN GMBH
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 SYSTEM ANTRIEBSTECHNIK DRESDEN, SYSTEM ANTRIEBSTECHNIK DRESDEN GMBH filed Critical SYSTEM ANTRIEBSTECHNIK DRESDEN
Priority to DE200510002607 priority Critical patent/DE102005002607A1/en
Publication of DE102005002607A1 publication Critical patent/DE102005002607A1/en
Application status is Withdrawn legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/02Cages, i.e. cars
    • B66B11/0226Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/0035Arrangement of driving gear, e.g. location or support
    • B66B11/0045Arrangement of driving gear, e.g. location or support in the hoistway

Abstract

In a traction sheave elevator with a run between two rails car and run between two other rails counter load, with a set of suspension ropes on which the car and the counterweight are suspended, and with an elevator machine above the car, which consists essentially of a traction sheave with propulsion-promoting seat grooves, an at least double-acting emergency stop brake and a matched, gearless three-phase motor as an active magnetic part, the active magnetic part of the elevator machine (11) has a length-diameter ratio of 1: 1 or almost 1: 1, has the entire Elevator machine (11) is an approximately cube-like appearance and the elevator machine (11) is arranged in the space of the upper shaft area, which is formed on the one hand by a shaft wall (1) and on the other hand by an imaginary vertical plane which consists of a (permissible) projection for Parts of the elevator machine (11) on a ebe NEN, horizontal area of the car roof (8) results, wherein the elevator machine (11) is supported by a corner support (12) which is fixed on the one hand to the shaft wall (1) and on the other hand on the shaft ceiling (2).

Description

  • The The invention relates to a traction sheave elevator with an intermediate two rails guided car and a whisk two further rails led counter load, with one Set of suspension ropes on which the car and the counterweight in loose role suspended in such a way are that the respective ends of the rope set in the upper area of the shaft are resiliently mounted, so that a reeving of 2: 1 arises, and with a complete elevator machine above the Car, consisting essentially of a traction sheave with driveability-enhancing seat grooves, an at least double-acting emergency stop brake and an adapted emergency stop brake gearless three-phase motor consists.
  • Traction sheave lifts, in which the elevator machine is constructed above the car on a false ceiling above the prescribed shaft head, have long been state of the art. It is then spoken by a machine room, as for example in DE 24 41 992 A1 is described.
  • The trend-setting machine-room-less lifts are in decline EP 0 719 724 B1 Also known is an arrangement in which a small machine room is provided in the shaft head below the shaft ceiling.
  • For a machine room-free solution EP 0 926 093 A1 and also after US 4,664,230 is the Aufzugsma machine over a first portion of the car roof, whereby the accessibility is limited only to the remaining second area. The latter is disadvantageous because it narrows the working space for the operator and thus increases the risk of accidents.
  • There are other machine roomless arrangements are known in which the elevator machine is located in the room, which is formed by a shaft wall on the one hand and on the outside of the car or its vertical extension upwards on the other. For these cases, either short thick elevator machines, preferably executed as a disk or outer rotor runner, must be used, such as. B. after EP 0 631 966 B1 . EP 0 631 967 B1 . EP 0 688 735 B1 . EP 0 710 618 A2 . EP 0 779 233 B1 and EP 0 784 030 B1 or long thin elevator machines, such as B. after EP 0 905 081 A2 . EP 1 216 949 A2 and DE 202 19 056 U1 , The short, thick versions, as well as the long, thin variants of elevator machines but do not allow optimal dimensioning of a gearless elevator machine, which consists of traction sheave, emergency stop brake system, measuring system and electric motor.
  • Especially the electric motor can for the totality of the required parameters, such as utilization of the Construction volume for Power and torque, adjusted moment of inertia and permissible heating by Power loss, only with compromises and therefore not optimal be interpreted.
  • After the scriptures EP 0 905 081 A2 . US 4,664,230 . DE 101 49 610 A1 , WO 99/43 593 A1, WO 99/33 742 A1, WO 01/27 015 A1, WO 02/26 611 A1, WO 03/04394 A1, WO 03/066498 A1 and EP 1 216 949 A2 it is known, "long thin" and after EP 0 688 735 B1 . EP 0 710 618 A2 , and EP 1 024 105 B1 To attach "short thick" lift machines to the top of the manhole on / on one or more rails of the car and / or counterweight, this has the advantage that the overall lift is a conceptual and easy to assemble unit that focuses solely on the guide rails independently of the shaft walls However, it is disadvantageous that the suspension loads of the overall system fully act on these guide rails, which are therefore often to be reinforced, and that additional bending moments occur.Instead of usually provided shock absorbers, vibrations and noises are transmitted via the highly conductive metallic guide rails to the arrangement in the building and, above all into the car, which makes it difficult to achieve a higher level of living and driving comfort.
  • Also attaching the elevator machine to the building fabric of the shaft is known, as on the ceiling EP 0 631 966 B2 . EP 1 018 480 A2 and EP 1 216 949 A2 or on two walls by means of auxiliary carriers, as in EP 0 631 966 B2 and DE 203 17 589 U1 disclosed. In these types of attachment, the suspension loads are introduced directly into the static of the building, the guide rails of the elevator are relieved of forces and vibrations and can be optimized.
  • at an exclusive one Installation on the ceiling, however, this must absorb pure tensile forces and the assembly "overhead" is complex.
  • at the attachment of the elevator machine on or on cross members at least two walls appropriate requirements must be drilled or pointed. In addition, will the cross-members reaching from wall to wall are relatively long and heavy are of considerable importance Bending moments claimed. About that In addition, they require a higher shaft head, when she over the stand area lying on the cabin roof.
  • To DE 298 21 667 U1 the elevator machine is mounted on a wall console. The Einlei tion of the suspension forces on such cantilever brackets leads to a considerable load on the wall with pressure and bending. For this reason, in DE 202 07 439 U1 an additional support propagated via vibration damper on a guide rail. However, the expected shifts between elevator mechanics and building fabric can lead to problems here.
  • To DE 197 12 646 A1 and DE 197 52 232 A1 and the elevator machine is placed on a concrete base cast integrally with the bottom floor of the last floor. The disadvantage is due to the cantilevered concrete base. According to WO 00/15 535 A1 and EP 0 849 209 A1 the elevator machine stands at the top of the shaft on a support that reaches to the bottom of the shaft. This support is all the more complex, the more floors the elevator comprises, whether it is masonry, poured concrete or made of metal profile.
  • outgoing From this prior art, the invention is based on the object an electromagnetically and mechanically optimally designed gearless Traction-type hoisting machine for one machine-room-free arrangement to create and this space-saving, and in accordance with the applicable safety standards for the car roof, above in the shaft so that the elevator rails are not loaded and the suspension loads the elevator machine only by balanced pressure and tensile forces in the Buildings are initiated.
  • The Invention is solved by the in the claims 1 and 2 specified characteristics. Give advantageous advancements the dependent claims.
  • The Invention allows the design of an electromagnetically and mechanically optimized elevator machine, consisting of permanent magnet excited synchronous motor with measuring system, Traction sheave and emergency stop brake system for a machine room less Shaft head installation, whereby the space between a shaft wall and an imaginary vertical plane is exploited, made up of one for Modules allowable overhang above the level, horizontal car roof area results. Because one for this Purpose thermal-electromagnetically advantageous designed Electric motor has a length-to-diameter ratio of active magnetic part of about 1: 1, it results from in Advantageously, at the same time an approximately cubic appearance of the entire elevator machine. This optimal design is in turn only executable, if the previously described installation space is occupied.
  • in the provided installation space, the elevator machine is positioned horizontally so that the rope guide to car and counter load is reached vertically. This is the Elevator machine on a corner frame showing the suspension loads supporting and hanging, So by pressure in a shaft wall and by train in the shaft ceiling, initiates and easy to accomplish its assembly by means of hoists is.
  • The Invention is based on an embodiment be explained in more detail. In the associated Show drawing:
  • 1 schematized assembly of a complete elevator machine in the upper shaft area in side view, top view and the detail "E" in oblique view when using a corner carrier with mountable ceiling support,
  • 2 schematisiert a mounting of a complete elevator machine with laterally arranged or rotated brake in the upper shaft area in side view, top view and the detail "F" in an oblique view when using a narrow girder and
  • 3 schematizes a mounting of a complete elevator machine in the upper shaft area in side view and cable guide under the car through.
  • According to 1 runs in the space between a shaft wall 1 and a shaft ceiling 2 an elevator shaft a car 3 between two guide rails 4 , On the car 3 are two loose rolls 5 installed over which the car 3 is suspended. On two further guide rails 6 at right angles to the guide rails 4 for the car 3 are not shown in detail, also in a loose role 7 suspended, counter load led. On the car roof 8th is a defense 9 mounted as a guard rail in case of assembly and maintenance work. A set of suspension cables 10 runs from an attachment point of the shaft ceiling 2 coming to the loose roles 4 of the car 3 and back up to one in the corner area between the shaft wall 1 and the shaft ceiling 2 arranged elevator machine 11 , consisting of the main components gearless engine 11a , Traction sheave 11b and an at least double-acting emergency stop brake 11c , wraps around the drive-enhancing seat grooves for the suspension cables 10 equipped traction sheave 11b , runs down to the counter load, wraps around the loose roll 7 the counterweight and ultimately leads to a second attachment point on the shaft ceiling 2 , The elevator machine 11 is on a corner carrier 12 stored, on the one hand with a wall flange 13 and a wall bracket on the shaft wall 1 and on the other hand with a ceiling flange 14 at the shaft ceiling 2 is attached. In addition, the drive-disk-side ceiling mounting is another ceiling support 15 , however, detachable on the corner support 12 is attached, so that the suspension cables 10 easier on the traction sheave 11b hang up. The corner carrier 12 supports itself with its flanges 13 . 14 and the ceiling support 15 at the shaft wall 1 and the shaft ceiling 2 from that the suspension loads of car 3 and counter-load supporting and hanging, more precisely, by pressure in the shaft wall 1 and by train into the shaft ceiling 2 be initiated, whereby a very secure attachment is guaranteed and the installation of the elevator machine by means of a hoist is very easy to accomplish.
  • The elevator machine 11 itself is characterized by an electromagnetically and mechanically optimized, gearless motor 11a out. The motor 11a , preferably a permanent magnet magneto-excited synchronous motor with measuring system, has a thermo-magnetically optimally designed axial length-diameter ratio of 1: 1 or at least almost 1: 1. This also results in an approximately cubic appearance of the entire elevator machine 11 So engine 11a , Traction sheave 11b and emergency stop brake 11c with the length L and the diameter D. However, an optimized engine design is only possible if the elevator machine 11 the space between the shaft wall 1 and an imaginary vertical plane resulting from the permissible projection above the flat, horizontal area of the car roof 8th results. According to European standard EN 81-1, the permissible distance A from the barrier must be 9 to protruding parts in the elevator shaft, so here the elevator machine 11 , for safety reasons, be at least 100 mm, taking into account in addition that the barrier 9 in turn, at most 150 mm from the edge of the flat car roof 8th may be removed to prevent overcrowding. True, the top edge of the car roof 8th to achieve the allowable distance A, as shown, are bevelled so that entering outside the barrier is impossible, however, this bevel is at the expense of the interior of the car 3 , With the optimization of the parameters of the elevator machine 11 and the suspension of the elevator machine according to the invention 11 in the corner between the shaft wall 1 and shaft ceiling 2 Overall, optimal installation and operating results are achieved, and it should also be emphasized that the support cables 10 from the elevator machine 11 perpendicular to the loose scrolls 5 . 7 from car 3 and counter load run, whereby transverse forces are avoided and a startup of the car 3 up to the required safety distance to the shaft ceiling 2 becomes possible.
  • In the detail E is the approximately cubic elevator machine 11 on the corner carrier 12 shown in perspective. The corner carrier 12 has an angled flange 13 for attachment to the shaft wall 1 and an angled flange 14 and a detachable ceiling support 15 for attachment to the shaft ceiling 2 or a cross member not shown above the shaft ceiling 2 , The ceiling carrier 15 will only after hanging the ropes 10 fastened before putting the lift into operation. A radially rotatable to the motor axis brake-Lüftmagnet 16 the emergency stop brake 11c shows coverward.
  • Out 1b The loose rolls are visible 5 on the car roof 8th so obliquely to the imaginary line through the guide rails 4 of the centrally suspended car 3 arranged that the suspension ropes 10 not only in the extension direction of the shaft rear wall, but also in the extension direction of the two shaft side walls runs vertically. For the same reason is also the loose role 7 twisted at the counterweight to this.
  • The embodiment according to 2a differs from the variant 1 in that the emergency stop brake 11c so to the axis of the elevator machine 11 twisted is that the brake release magnet is rotated by 90 °, and that the detachable ceiling support 15 has been omitted. The corner carrier 12 and thus the elevator machine 11 are therefore only on a ceiling flange 14 and the wall flange 13 attached, being the base of the corner carrier 12 overall is kept narrower to the emergency stop brake 11c outside on the corner support 12 to turn around. In addition, according to the variant 2 the car 3 hung asymmetrically, reducing the loose rolls 5 on the car roof 8th parallel to the rear wall or to the imaginary line between the car guide rails 4 can be arranged aligned. From the top view in 2 B and the perspective view of the detail F becomes the approximate cube shape of the elevator machine 11 clear. The cable guide corresponds to the in 1 described the ropes 10 in turn, they run vertically from top to bottom and back. The car roof 8th is again chamfered to the car side wall.
  • According to 3 is a variant shown in which, in contrast to the 1 and 2 the loose drive rollers 5 below the car 3 are attached, the suspension cables 10 so under the car 3 be performed. Another peculiarity is that the defense 9 is placed obliquely inwards, whereby the distance A can be maintained even if the defense at the base denser (maximum of 150 mm) to the driving basket sidewall, because, as in the example, the car roof 8th to car side wall is not chamfered. Also in this variant are elevator machine 11 and elevator arrangement optimized in the elevator shaft according to the invention.
  • 1
    shaft wall
    2
    shaft ceiling
    3
    car
    4
    guide rails for car
    5
    loose Roll on the car
    6
    guide rails for counter load
    7
    loose Role on counter load
    8th
    Car roof
    9
    safety fence (Railing)
    10
    supporting cable
    11
    Elevator machine
    11a
    gearless engine
    11b
    traction sheave
    11c
    Emergency brake
    12
    corner supports
    13
    wall mounting (Flange)
    14
    ceiling Mount (Flange)
    15
    mountable floor beams
    16
    Brake solenoid release
    A
    distance according to European standard EN 81-1
    e
    detail
    F
    detail
    D
    diameter the elevator machine
    L
    Axial length of the Elevator machine

Claims (12)

  1. Traction sheave elevator with a guided between two rails car and guided between two other rails counter load, with a set of suspension ropes on which the car and the counterweight are suspended in a loose role such that the respective ends of the cable set in the upper region of the shaft resiliently attached are, so that a shearing of 2: 1 arises, and with an elevator machine above the car, which consists essentially of a traction sheave with driveability-enhancing seat grooves, an at least double-acting emergency holding brake and a customized, gearless three-phase motor as an active magnetic part, characterized in that the active magnetic part of the elevator machine ( 11 ) has a length-to-diameter ratio of 1: 1 or nearly 1: 1, the entire elevator machine ( 11 ) has an approximately cube-like appearance, and the elevator machine ( 11 ) is arranged in the space of the upper shaft area, on the one hand by a shaft wall ( 1 ) and on the other hand is formed by an imaginary vertical plane resulting from a (permissible) projection for parts of the elevator machine ( 11 ) over a flat, horizontal area of the car roof ( 8th ), and wherein the elevator machine ( 11 ) from a corner support ( 12 ), on the one hand at the shaft wall ( 1 ) and on the other hand at the shaft ceiling ( 2 ) is attached.
  2. Traction sheave elevator with a guided between two rails car and guided between two other rails counter load, with a set of Tragsei len, where the car and the counterweight 1: 1 are suspended, and with an elevator machine above the car, which consists essentially of a Traction sheave with driveability-promoting seat grooves, an at least double-acting emergency stop brake and an adapted, gearless three-phase motor as an active magnetic part, characterized in that the active magnetic part of the elevator machine ( 11 ) has a length-to-diameter ratio of 1: 1 or nearly 1: 1, the entire elevator machine ( 11 ) has an approximately cube-like appearance, and the elevator machine ( 11 ) is arranged in the space of the upper shaft area, on the one hand by a shaft wall ( 1 ) and on the other hand is formed by an imaginary vertical plane resulting from a (permissible) projection for parts of the elevator machine ( 11 ) over a flat, horizontal area of the car roof ( 8th ), and wherein the elevator machine ( 11 ) from a corner support ( 12 ), on the one hand at the shaft wall ( 1 ) and on the other hand at the shaft ceiling ( 2 ) is attached.
  3. Traction sheave elevator according to claim 1 or 2, characterized in that the corner carrier ( 12 ) the suspension loads (car 3 , Counter load) supporting in the shaft wall ( 1 ) and hanging in the shaft ceiling ( 2 ).
  4. Traction sheave elevator according to claim 3, characterized in that the corner carrier ( 12 ) on one side by means of a molded-on flange ( 13 ) to the shaft wall ( 1 ) is clipped.
  5. Traction sheave elevator according to claim 3, characterized in that the corner carrier ( 12 ) on one side by means of a molded-on flange ( 14 ) on the shaft ceiling ( 2 ) or a carrier, which transversely across the shaft ceiling ( 2 ) lies.
  6. Traction sheave elevator according to claim 3, characterized in that on the corner support ( 12 ) an additional ceiling support ( 15 ) is releasably attached.
  7. Traction sheave elevator according to claim 3, characterized in that the corner carrier ( 12 ) a lateral attachment of the double-acting emergency stop brake ( 11c ) allows.
  8. Traction sheave elevator according to claim 1 or 2, characterized in that the elevator machine ( 11 ) is horizontally positioned so that a vertical cable guide to car ( 3 ) and counter-load can be realized.
  9. Traction sheave elevator according to claim 1 or 2, characterized in that the car roof ( 8th ) has a reduced horizontal area which, in conjunction with a barrier ( 9 ) a (permissible) distance for protruding parts of the elevator machine ( 11 ).
  10. Traction sheave elevator according to claim 1 or 2, characterized in that the car roof ( 8th ) in the required area is completely flat and in conjunction with an obliquely inwardly placed Umwehrungsteil ( 9 ) a (permissible) distance for protruding parts of the elevator machine ( 11 ) is made.
  11. Traction sheave elevator according to claim 1 or 2, characterized by a symmetrical suspension of the car ( 3 ).
  12. Traction sheave elevator according to claim 1 or 2, characterized by an asymmetrical suspension or "backpack suspension" of the car ( 3 ).
DE200510002607 2005-01-20 2005-01-20 Elevator, with a cabin riding between guide rails, has the machine and emergency brake in a cube structure mounted at the top of the shaft with an angle carrier at the shaft wall and roof Withdrawn DE102005002607A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE200510002607 DE102005002607A1 (en) 2005-01-20 2005-01-20 Elevator, with a cabin riding between guide rails, has the machine and emergency brake in a cube structure mounted at the top of the shaft with an angle carrier at the shaft wall and roof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200510002607 DE102005002607A1 (en) 2005-01-20 2005-01-20 Elevator, with a cabin riding between guide rails, has the machine and emergency brake in a cube structure mounted at the top of the shaft with an angle carrier at the shaft wall and roof

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DE200510002607 Withdrawn DE102005002607A1 (en) 2005-01-20 2005-01-20 Elevator, with a cabin riding between guide rails, has the machine and emergency brake in a cube structure mounted at the top of the shaft with an angle carrier at the shaft wall and roof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010065038A1 (en) * 2008-12-05 2010-06-10 Otis Elevator Company Elevator machine support

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DE20207439U1 (en) * 2002-05-11 2002-10-31 Tepper Aufzuege Gmbh & Co Kg drive rocker
DE20219056U1 (en) * 2002-12-10 2003-02-27 Ziehl Abegg Ag Elevator cable drive arrangement via pulley wheels to counterweight
DE20317589U1 (en) * 2003-11-13 2004-03-04 Osma-Aufzüge Albert Schenk Gmbh & Co. Kg Elevator comprises a door, a basket vertically guided along guide rails and hung on a cable using a counterweight, and a drive arranged above the door

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010065038A1 (en) * 2008-12-05 2010-06-10 Otis Elevator Company Elevator machine support
US8820483B2 (en) 2008-12-05 2014-09-02 Otis Elevator Company Elevator machine support

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