WO2003043924A1 - Aufzugssystem - Google Patents
Aufzugssystem Download PDFInfo
- Publication number
- WO2003043924A1 WO2003043924A1 PCT/CH2002/000632 CH0200632W WO03043924A1 WO 2003043924 A1 WO2003043924 A1 WO 2003043924A1 CH 0200632 W CH0200632 W CH 0200632W WO 03043924 A1 WO03043924 A1 WO 03043924A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- suspension
- elevator
- counterweight
- elevator system
- elevator car
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
- B66B7/062—Belts
-
- 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
- B66B11/0045—Arrangement of driving gear, e.g. location or support in the hoistway
-
- 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
- B66B11/0065—Roping
- B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
-
- 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
- B66B11/0065—Roping
- B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
- B66B11/009—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave with separate traction and suspension ropes
Definitions
- the invention relates to an elevator system as defined in the claims.
- Elevator systems of the type according to the invention usually have an elevator car and a counterweight, which can be moved in an elevator shaft or along free-standing guide devices.
- the elevator system has at least one drive with at least one traction sheave, which carry the elevator car and the counterweight via carrying and driving means and transmit the required driving forces to the latter.
- suspension and drive means are referred to below as suspension means.
- An elevator system with a flat belt-like suspension element in different arrangements is known from PCT patent application WO 99/43593.
- the elevator according to this patent application contains a drive machine which is arranged in the shaft space above the elevator car and acts via at least one traction sheave on the differently arranged, flat suspension elements which are operatively connected to the elevator car in such a way that the elevator car is moved up and down.
- some of the disclosed are Arrangements of the suspension means, the suspensions of the elevator car and counterweight as a 2: 1 on Nicolungssyster ⁇ executed.
- the term 2: 1 suspension system is understood to mean a system in which suspension means driven by a traction sheave move an elevator car and / or a counterweight, the suspension means being arranged in such a way that their portion in contact with the traction sheave moves twice as fast such as the elevator car and / or the counterweight.
- the suspension elements are arranged in such a way that they wrap around at least one traction sheave and at least one deflection roller each on the elevator car and counterweight, and that they are fixed at their ends in the upper region of the elevator shaft.
- the traction sheave as well as the deflection or deflection rollers have the smallest possible diameter in the interest of optimal use of space and the use of drive machines with a minimum output torque.
- the object of the invention is seen in creating an improved elevator system of the aforementioned type which reduces or avoids disadvantages of the known systems, ie to create an elevator system in which while maintaining the advantages mentioned regarding space utilization and the required torque on the drive machine, the bending stress of the suspension means is greatly reduced.
- the elevator system comprises at least one drive with at least one traction sheave, an elevator car and at least one counterweight and preferably flat belt-type suspension means.
- the elevator car as well as the at least one counterweight have at least one support roller.
- the suspension elements form at least one 2: 1 suspension system for the cabin and the counterweight.
- one or more deflection rollers are still required.
- Carrier rollers are arranged so that the suspension elements are always bent in the same direction when the traction sheave and the support and deflection rollers rotate.
- Fig. 2 shows the elevator system of FIG. 1 as a plan view.
- FIGS. 1 and 2 shows the elevator system according to FIGS. 1 and 2, but with only one drive machine and a connecting shaft between two traction sheaves.
- FIG 4 shows a side view of an elevator system according to the invention with a single drive machine and a 2: 1 suspension system attached to one side of the elevator car.
- FIG. 5 shows the elevator system according to FIG. 4 as a top view.
- FIG. 6 shows an elevator system according to the invention with a single drive machine, the 2: 1 suspension system carrying the elevator car in the form of a loop, in a side view.
- FIG. 7 the elevator system according to FIG. 6 as a top view.
- FIG. 9 shows the elevator system according to FIG. 8 as a top view.
- FIG. 10 shows a suspension element designed as a V-ribbed belt for an elevator system according to the invention.
- 11 shows a suspension element designed as a toothed belt for an elevator system according to the invention.
- FIG. 12 shows a suspension element designed as a toothed belt with arrow teeth.
- FIG. 13 shows a suspension element designed as a toothed belt with curved teeth.
- FIG. 1 and 2 show, in side view and as a top view, an elevator system according to the invention arranged in an elevator shaft 1, each with a drive machine 2 and a 2: 1 suspension system on both sides of an elevator car 3.
- the elevator car 3 is with car guide shoes 4 on two car guide rails 5 guided and vertically displaceable along these cabin guide rails 5.
- a car support roller 7 In the lower area of the elevator car 3, it is equipped on both sides with a car support roller 7, the levels of which extend parallel to the side walls of the elevator car 3 and at a short distance from them.
- a counterweight 8 is guided on two counterweight guide rails 10 by means of counterweight guide shoes 9 and can be moved in the up and down direction.
- Each counterweight 8 has a counterweight support roller 11.
- the drive machines 2 are each mounted on a machine platform 14 arranged laterally in the elevator shaft head, which, as shown in FIG. 1, are supported on the guide rails 5, 10 of the elevator car 3 and the counterweight 8 fixed in the elevator shaft 1, but which are also directly on the Shaft walls could be attached. They each directed against a side wall of the elevator shaft 1 and output shafts 15 aligned with one another are each equipped with a traction sheave 16. These traction sheaves 16 are arranged between the associated drive machine 2 and the adjacent side wall of the elevator shaft 1 and vertically above the counterweight support roller (s) 11 of the associated counterweight 8, their planes being parallel to the side walls of the elevator car 3 and at the same lateral distance these extend, like the above-mentioned car support rollers 7.
- a deflection roller 17 is attached to the machine platform 14 on both sides of the elevator car 3.
- the elevator car 3 and the two counterweights 8 are connected to one another by means of suspension elements 18 via at least one further suspension element disk such that the lifting of the elevator cabin 3 causes the counterweight 8 to be lowered and vice versa.
- the suspension means 18 are set in motion by the traction sheaves 16.
- the suspension means 18 present on both sides of the elevator car 3 are each arranged as shown in the side view according to FIG. 1.
- the suspension means 18 visible here are fixed at one end below the left side of the traction sheave 16 to the machine platform 14, from where it extends vertically downward, loop the counterweight support roller 11 counterclockwise by 180 °, vertically upward to the right side of the traction sheave 16 run, loop around the traction sheave 16 counterclockwise by 90 °, extend horizontally above the traction sheave 16 to the left to the upper side of the deflection roller 17, loop it around counterclockwise by 90 °, run vertically down to the left side of the cabin support roller 7, these counterclockwise loop around 180 ° and extend vertically upwards from the right side of the cabin support roller to its second fixed point, which is below the right side of the deflection roller 17.
- the traction sheave 16, the deflection roller 17, the car support roller 7, the counterweight support roller 11 and the suspension means 18 form a 2: 1 suspension system for the elevator car 3 and one of the counterweights 8.
- suspension elements mentioned are each shown in the figures as individual suspension element strands. Usually, however, several parallel suspension element strands are arranged next to one another in the case of realized elevator systems, wherein they run around correspondingly wide suspension element disks.
- suspension element disk subsumes all of the disks interacting with the suspension element 18, such as traction sheaves, deflection rollers, and support rollers.
- FIG. 2 which shows a top view of the elevator system described with FIG. 1, it can be seen that in the above-described elevator variant on the opposite side of the elevator car 3, a second one is arranged symmetrically with respect to the central plane 20 2: 1 suspension system with a second drive machine 2 is present.
- Fig. 3 shows an elevator variant, 'substantially corresponding to the elevator system shown in FIGS. 1 and 2, but instead of two separate drive units 2, only a single drive unit 2 contains. This comprises or drives an output shaft 21 acting on both traction sheaves 16.
- FIGS. 4 and 5 show an elevator system according to the invention, in which the elevator car 3 is guided by means of a backpack frame 23 with cabin guide shoes 4 on laterally arranged cabin guide rails 5.
- a drive machine 2 which is mounted on one side of the elevator car 3 and is mounted on a machine platform 14, which is supported on the guide rails of the elevator car 3 and a counterweight 8, is used to drive the elevator.
- the drive machine 2 acts via the traction sheave 16 on a 2: 1 suspension system for the elevator car 3 and the counterweight 8, which corresponds to the 2: 1 suspension systems shown in FIGS. 1 and 2 and described above, and in which the suspension elements are always bent in the same direction.
- the deflection rollers 17 can be used in the elevator systems shown in FIGS. 1 to 5 additional drive machines 2 are replaced, or transmission means - for example belt drives - can be provided which transmit torques from the output shaft 15 to the deflection rollers 17.
- Such a transmission means 30 is shown in FIGS. 6 and 7 and described in connection with these figures.
- FIGS. 6 and 7 show a further embodiment of an elevator system according to the invention, which also has a 2: 1 suspension system for an elevator car 3 and a counterweight 8, in which the suspension means 18 are always bent in the same direction.
- the suspension means 18 are arranged here in such a way that they practically completely wrap around the elevator car 3, with car supporting rollers 7 being attached below the cabin floor on both sides, the periphery of which in each case protrudes somewhat laterally beyond the elevator car 3, and which the carrying and driving forces of the Transfer suspension means 18 to elevator car 3. Elevator car 3 and counterweight 8 are guided in the usual way on guide rails, not shown here.
- a drive machine is located laterally in the head region of an elevator shaft 1
- Both ends of the suspension means 18 are fixed in the shaft head area at a small horizontal distance from the left-hand cabin wall.
- the mentioned deflection roller support 27 offers itself as a holder for the two ends.
- the suspension means 18 extend from their fixed point, which is closer to the cabin wall, vertically downward to the left-hand cabin support rollers 7, loop them counterclockwise by 90 °, run horizontally to the right-side cabin support rollers 7, loop them counterclockwise by 90 °, extend from here in the vertical direction to the right sides of the traction sheaves 16, loop them counterclockwise by 90 °, run horizontally to the left up to the deflection rollers 17, loop them counterclockwise by 90 °, extend from the left side of the Deflection rollers 17 from vertically downwards to the left side of the counterweight support rollers 11, loop them counterclockwise by 180 ° and extend from the right side of the counterweight support rollers 11 vertically upwards to their second fixed point on the deflection roller support 27.
- the transmission means 30 and 30 in FIGS. 6 and 7 denote a transmission means which can transmit a torque from the output shaft 15 of the drive machine 2 to the axis 31 of the deflection rollers 17. It is thereby achieved that the effective wrap angle around which the suspension means 18 a around the driving disc, doubled. This measure therefore also results in a doubling of the traction force which can be transmitted from the drive system to the suspension means 18.
- the transmission means 30 is a belt drive which, for example, comprises a toothed or V-ribbed belt and two corresponding belt pulleys. Such a transmission means 30 is only installed if the system conditions so require. The elevator system can also be retrofitted with it.
- FIGS. 8 and 9 show a further embodiment of the elevator system according to the invention, which is identical with respect to the arrangement of the suspension means 18 with the embodiment shown in FIGS. 6 " and 7.
- a second drive machine 2 with a brake 26 is installed instead of the deflection roller 17.
- This also doubles the traction force that can be transmitted to the suspension means • 18.
- this solution offers the advantage of increased operational safety thanks to the double brake and, on the other hand, it enables maintenance of restricted operation with a single drive machine 2 in the event of a defect in one of the drive machines 2.
- each of the suspension means disks 7, 11, 16, 17 can perform the function of a traction sheave driven by a drive machine 2, ie a drive machine 2 is permanently installed in the elevator shaft 1 be and can act on a non-displaceably installed traction sheave 16 or on a deflection roller 17 serving to deflect the suspension means 18, or that a drive machine 2 on the elevator car 3 or on Counterweight 8 can be mounted and act on a cabin support roller 7 or on a counterweight support roller 11.
- Suitable suspension elements 18 for an elevator system according to the invention are all suspension elements known in elevator construction, such as wire ropes, synthetic fiber ropes, flat belts with wire or synthetic fiber reinforcement, etc.
- FIG. 10 shows the principle of a V-ribbed belt 32 which has a plurality of wedge-shaped grooves 33 and V-ribs 34 and reinforcing tension members 35 arranged in parallel in the longitudinal direction , When used in combination with suitably designed traction sheaves 16, these wedge-shaped grooves 33 and V-ribs 34, due to their wedge action, enable a significantly increased power transmission between the traction sheave 16 and suspension element 18 (V-ribbed belt 32).
- V-ribbed belt 32 it rests on the supporting means pulleys driving or guiding it, which have a counter profile corresponding to the rib / groove profile of the V-ribbed belt 32 on their periphery . self centered.
- the wedge-shaped grooves 33 of the V-ribbed belts have a groove angle b of 80 degrees to 100 degrees.
- the groove angle b is preferably approximately 90 degrees. This groove angle b is much larger than with conventional V-ribbed belts. The larger groove angle b reduces the running noise.
- the self-centering property as well as the increased power transmission between traction sheave 16 and suspension element 18 (V-ribbed belt 32) are sufficiently preserved.
- FIG. 11 shows a toothed belt 36 with teeth 37 and and reinforcing tension members 35. Toothed belts are also suitable for operation in combination with pulleys and rollers which have particularly small diameters. They generally offer extremely high traction ability and center themselves on the toothed disks and rollers themselves, for example if they have an arrow toothing or an arch toothing.
- FIG. 12 shows such a toothed belt with arrow toothing 38 and
- FIG. 13 shows a toothed belt with curved toothing 39.
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Paper (AREA)
- Vehicle Body Suspensions (AREA)
- Lubricants (AREA)
- Types And Forms Of Lifts (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Fluid-Pressure Circuits (AREA)
- Structure Of Belt Conveyors (AREA)
- Intermediate Stations On Conveyors (AREA)
- Coating Apparatus (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Pinball Game Machines (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Abstract
Description
Claims
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0214385-2A BR0214385B1 (pt) | 2001-11-23 | 2002-11-20 | elevador com meio de transmissão semelhante à correia, particularmente, com correias de nervuras cÈnicas, como dispositivo de suporte e/ou dispositivo de acionamento. |
DE50205760T DE50205760D1 (de) | 2001-11-23 | 2002-11-22 | Aufzugssystem |
EP02776633A EP1446350B1 (de) | 2001-11-23 | 2002-11-22 | Aufzugssystem |
PT02776634T PT1446351E (pt) | 2001-11-23 | 2002-11-22 | Sistema de ascensor |
JP2003545571A JP4468697B2 (ja) | 2001-11-23 | 2002-11-22 | エレベータシステム |
CA2465038A CA2465038C (en) | 2001-11-23 | 2002-11-22 | Lift system |
AU2002339284A AU2002339284B2 (en) | 2001-11-23 | 2002-11-22 | Elevator system |
US10/849,982 US7624846B2 (en) | 2001-11-23 | 2004-05-20 | Elevator system |
HK05101011A HK1068592A1 (en) | 2001-11-23 | 2005-02-07 | Elevator system |
CY20061100471T CY1105599T1 (el) | 2001-11-23 | 2006-04-03 | Συστημα αναβατοριου |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01811132 | 2001-11-23 | ||
EP01811132.8 | 2001-11-23 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/849,982 Continuation US7624846B2 (en) | 2001-11-23 | 2004-05-20 | Elevator system |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003043924A1 true WO2003043924A1 (de) | 2003-05-30 |
Family
ID=8184263
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CH2002/000624 WO2003043922A1 (de) | 2001-11-23 | 2002-11-20 | Aufzug mit riemenartigem übertragungsmittel, insbesondere mit keilrippen-riemen, als tragmittel und/oder treibmittel |
PCT/CH2002/000634 WO2003043926A1 (de) | 2001-11-23 | 2002-11-22 | Aufzugssystem |
PCT/CH2002/000633 WO2003043925A1 (de) | 2001-11-23 | 2002-11-22 | Aufzugssystem |
PCT/CH2002/000632 WO2003043924A1 (de) | 2001-11-23 | 2002-11-22 | Aufzugssystem |
Family Applications Before (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CH2002/000624 WO2003043922A1 (de) | 2001-11-23 | 2002-11-20 | Aufzug mit riemenartigem übertragungsmittel, insbesondere mit keilrippen-riemen, als tragmittel und/oder treibmittel |
PCT/CH2002/000634 WO2003043926A1 (de) | 2001-11-23 | 2002-11-22 | Aufzugssystem |
PCT/CH2002/000633 WO2003043925A1 (de) | 2001-11-23 | 2002-11-22 | Aufzugssystem |
Country Status (19)
Country | Link |
---|---|
US (5) | US7367431B2 (de) |
EP (9) | EP1834919B1 (de) |
JP (5) | JP2005509578A (de) |
CN (5) | CN101062742A (de) |
AT (9) | ATE393754T1 (de) |
AU (6) | AU2002340704B2 (de) |
BR (5) | BR0216031B1 (de) |
CA (4) | CA2465031C (de) |
CY (1) | CY1105599T1 (de) |
DE (8) | DE50212196D1 (de) |
DK (6) | DK1446348T3 (de) |
ES (9) | ES2368262T3 (de) |
HK (9) | HK1068592A1 (de) |
MX (3) | MXPA04004787A (de) |
NO (4) | NO330310B1 (de) |
NZ (1) | NZ532893A (de) |
PT (4) | PT1604939E (de) |
WO (4) | WO2003043922A1 (de) |
ZA (3) | ZA200403135B (de) |
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US7753174B2 (en) | 2005-03-12 | 2010-07-13 | Thyssenkrupp Elevator Ag | Elevator installation |
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- 2002-11-20 EP EP05104453A patent/EP1580156B1/de not_active Revoked
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1149795A1 (de) * | 1996-12-03 | 2001-10-31 | Inventio Ag | Anordnung des Antriebsmodules eines Aufzugs |
DE19860458C1 (de) * | 1998-12-28 | 2000-06-29 | System Antriebstechnik Dresden | Seiltrieb für Gebäudeaufzüge |
DE19963286A1 (de) * | 1999-12-27 | 2001-07-12 | Aufzugfabrik Wilhelm Nunn Gmbh | Aufzug |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7624847B2 (en) | 2004-01-07 | 2009-12-01 | Inventio Ag | Drive for an elevator installation |
US7775325B2 (en) * | 2004-01-07 | 2010-08-17 | Inventio Ag | Drive for an elevator installation and method of converting a drive in an elevator installation |
US7753174B2 (en) | 2005-03-12 | 2010-07-13 | Thyssenkrupp Elevator Ag | Elevator installation |
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