WO2020151952A2 - Système d'ascenseur - Google Patents

Système d'ascenseur Download PDF

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Publication number
WO2020151952A2
WO2020151952A2 PCT/EP2020/050361 EP2020050361W WO2020151952A2 WO 2020151952 A2 WO2020151952 A2 WO 2020151952A2 EP 2020050361 W EP2020050361 W EP 2020050361W WO 2020151952 A2 WO2020151952 A2 WO 2020151952A2
Authority
WO
WIPO (PCT)
Prior art keywords
rack
tooth
elevator system
drive
gap
Prior art date
Application number
PCT/EP2020/050361
Other languages
German (de)
English (en)
Other versions
WO2020151952A3 (fr
Inventor
Thomas Kuczera
Artur Katkow
Original Assignee
Thyssenkrupp Elevator Innovation And Operations 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
Priority claimed from DE102019200669.8A external-priority patent/DE102019200669A1/de
Priority claimed from DE102019200665.5A external-priority patent/DE102019200665A1/de
Application filed by Thyssenkrupp Elevator Innovation And Operations Ag filed Critical Thyssenkrupp Elevator Innovation And Operations Ag
Priority to CN202080010233.3A priority Critical patent/CN113710604A/zh
Priority to EP20700459.9A priority patent/EP3914548A2/fr
Publication of WO2020151952A2 publication Critical patent/WO2020151952A2/fr
Publication of WO2020151952A3 publication Critical patent/WO2020151952A3/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/02—Kinds or types of lifts in, or associated with, buildings or other structures actuated mechanically otherwise than by rope or cable
    • B66B9/022—Kinds or types of lifts in, or associated with, buildings or other structures actuated mechanically otherwise than by rope or cable by rack and pinion drives
    • 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
    • B66B11/04—Driving gear ; Details thereof, e.g. seals
    • B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
    • B66B11/0461—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with rack and pinion gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/003—Kinds or types of lifts in, or associated with, buildings or other structures for lateral transfer of car or frame, e.g. between vertical hoistways or to/from a parking position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/26—Racks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/26—Racks
    • F16H55/28—Special devices for taking up backlash

Definitions

  • the invention relates to an elevator system.
  • DE 10 2014 220 966 A1 discloses an elevator installation in which several cars are operated cyclically in a circulating mode, similar to a paternoster. In contrast to the classic paternoster, each car is driven independently of the other cars and can therefore stop at any stop independently of the other cars. Transfer units are provided to transfer the cars from a vertical lane to a horizontal lane, so as to transfer the cars between different vertical lanes. The drive is based on a linear motor.
  • the elevator installation comprises a plurality of lanes, which in at least one,
  • At least one car in particular a plurality of cars
  • the elevator system further includes racks running along the
  • Lanes are installed, in particular comprising a movable rack; a drive with a drive wheel attached to the car, which can interact with the toothed racks in order to apply a driving force to the car for locomotion.
  • a rack and pinion drive is used instead of the conventional linear motor.
  • Rack and pinion drives are already known; an application this
  • Rack if the rack is designed throughout the entire shaft system.
  • the converters are arranged in regular sections, which change their absolute position in height when the building is set and thus force the racks attached to them to misalign with the neighboring racks.
  • Cogwheel railways generally do not have this problem, so that solutions from the technical field of cogwheel railways cannot be used. On the one hand, betting does not occur to the extent that is the case with buildings; on the other hand, passengers on cogwheels expect significantly less driving comfort than the residents of ultra-modern high-tech buildings.
  • a plurality of racks are arranged along a lane.
  • a rack that is permanently installed in the shaft is arranged at least temporarily in the track direction adjacent to a movable, in particular rotatable, rack.
  • the toothed rack gap may be necessary in order to enable two adjacent toothed racks to move relative to one another in the area of the converter.
  • the gap tooth pitch deviating from a defined tooth pitch within a rack.
  • the gap tooth pitch is larger than a defined tooth pitch within the rack.
  • the deviating gap tooth division arises in particular only by arranging two adjacent teeth on
  • the deviation of the gap tooth division from the defined gap tooth division can be any one of the gap tooth division from the defined gap tooth division.
  • the deviation is such that the gap tooth pitch is larger than the defined tooth pitch.
  • an adjustment arrangement is provided, by means of which the position of at least one rack, in particular several racks, can be changed in a defined manner in the track direction.
  • the first setting arrangement is in particular
  • lane direction denotes the direction in which the car or the drive wheel moves in an operating state.
  • the rack is particularly aligned in the direction of the track. When traveling vertically, the track direction is aligned vertically; at a
  • variable-length rack is provided with a plurality
  • Tooth sections provided. This can be part of the setting arrangement.
  • the positions of individual tooth sections with respect to one another can or are adjustable in the track direction within the variable-length rack using a length adjuster. Misalignments can be remedied locally using the variable-length rack without the need for time-consuming readjustment of a large number of racks.
  • variable-length toothed rack has at least three tooth sections, the spacing of which from one another during a joint actuation of one
  • Tooth division between the tooth sections The more even the gap tooth divisions are, the smaller the deviations from the defined tooth pitch and thus the less
  • each rack in the elevator system can be designed as such a variable-length rack.
  • the drive is suitable, in particular is set up to interact with toothings of different tooth pitch. This makes the drive robust against
  • the toothing comprises a defined tooth pitch and in some places a toothing that deviates from the defined tooth pitch by at least 10%, preferably at least 20%.
  • the deviation of the tooth pitch can also be in the range between 40% and 60%, i.e. means that the toothing is aligned essentially out of phase.
  • the tooth of the drive wheel would now hit the tooth of the rack.
  • the drive is suitable, in particular it is set up or can be set up to interact with a toothing in a defined tooth pitch (1Z) and in a tooth pitch (1.5xZL) which deviates by 30-70%, in particular approximately 50%, of it . Without further measures, the tooth of the drive wheel would now hit the tooth of the rack.
  • the drive comprises a controller which is set up to control the drive as a function of tooth pitches which vary in the direction of the track.
  • the rotational speed of the drive wheel can be specifically adjusted, in particular reduced, before the drive wheel engages in a rack area with an enlarged tooth pitch.
  • the drive has a first and a second drive wheel on a common elevator car, the drive power of the second drive wheel being increased when the drive power of the first drive wheel is reduced when a toothed rack gap is passed over.
  • the alignment requirement is consequently shifted from the rack to the drive.
  • Information that is required for the control depending on tooth pitches that change during operation can be stored in a configuration in a data memory and can be made available in operation.
  • the drive knows where the teeth are. The drive can then align itself accordingly, so that it always interacts correctly with the racks.
  • Information that is required for the control as a function of tooth pitches that change during operation can be recorded by a tooth sensor during operation.
  • the tooth sensor rushes ahead of the drive wheel in the direction of the track and thus detects the teeth in the area of the toothed rack that is to be passed next. This allows the required information to be recorded in real time; in this respect is one
  • a rack comprises a bendable tooth.
  • the bendable tooth represents in particular an outermost tooth of a rack.
  • the elevator installation has in particular a shaft height in the first, in particular vertical, direction of at least 100 m, in particular at least 200 m.
  • the maximum car speed of the car in the first, in particular vertical, direction is in particular at least 8 m / s, in particular at least 9 m / s or 10 m / s.
  • FIG. 1 shows a section of an elevator installation according to the invention in perspective
  • FIG. 2 shows a rack area and a car of the elevator system according to FIG. 1 in FIG
  • Figure 3 shows a transition between two racks of the elevator system of Figure 1 in a schematic side view
  • FIG. 4 shows several toothed racks with an adjustment arrangement of the elevator installation according to FIG. 1 in a schematic side view
  • FIG. 5 shows a drive wheel when driving over an unaligned rack transition of the elevator installation according to FIG. 1 in a schematic side view in different situations;
  • Figure 6 shows the speed profile of the drive wheel in the situations of Figure 5;
  • Figure 7 shows a drive wheel when driving over an aligned rack transition
  • Figure 8 shows the speed profile of the drive wheel in the situations of Figure 7;
  • FIG. 9 different representations of a variable-length toothed rack of the elevator installation according to FIG. 1;
  • FIG. 10 shows a drive wheel when driving over an unaligned toothed rack transition of the elevator system according to FIG. 1 in a schematic side view in different situations with an adapted drive wheel speed;
  • FIG. 11 shows the speed profile of the drive wheel in the situations according to FIG. 10;
  • FIG. 12 shows a toothed rack with a bendable tooth of the elevator installation according to FIG. 1 in
  • the elevator system 1 shows parts of an elevator system 1 according to the invention.
  • the elevator system 1 comprises a plurality of lanes 2H, 2V, along which a plurality of cars 5a-5h are guided.
  • the horizontal lane 2H connects the two vertical lanes 2VL, 2VR to one another.
  • the horizontal lane 2H also serves to transfer the car 10 between the two vertical lanes 2VL, 2VR, e.g. to carry out a modern paternoster operation.
  • further vertical lanes can be provided, which are not shown.
  • Guide rails 22 V, 22H, 22D are provided along the lanes for guiding the cars.
  • the cars have guide rollers, not shown.
  • the guide rails include backpack guide rails 22 V, 22H, 22D.
  • Backpack guide rails are arranged on a common side of the car.
  • the car 5, in particular the center of gravity of the car 5, is always cantilevered.
  • the weight is determined by the introduction of bending moments on the
  • the backpack guide rails include 22V fixed vertical backpack guide rails aligned along the vertical track.
  • the backpack guide rails include fixed horizontal backpack guide rails 22H aligned along the horizontal track 2H.
  • the car can be moved from one of the vertical lanes 2V to the other of the vertical lanes 2V via a transfer arrangement 3.
  • the transfer arrangement 3 comprises two transfer units 30 and a horizontal one
  • the elevator car 5 can be transferred between one of the vertical backpack guide rails 22V and the horizontal backpack guide rails 22H via the conversion units 30.
  • the conversion unit 30 comprises a rotatable one
  • All guide rails are installed at least indirectly in a shaft wall 20.
  • the elevator installation basically corresponds to what is described in WO 2015/144781 A1 and in DE10 2016 211 997A1 and DE 10 2015 218 025 A1.
  • Racks 23 interact with at least one drive wheel 52 which is attached to the car 5.
  • a motor 53 is attached to the car 5 to drive one or more drive wheels.
  • a plurality of motors can also be provided for driving the plurality of drive wheels, as schematically illustrated in FIG. 2.
  • the vertical direction and the horizontal direction are merely an example of a first and second direction, as set out in the claims.
  • Figure 3 shows sections of adjacent racks, here a vertical rack 23 V and a movable rack.
  • the racks have a defined tooth pitch ZI.
  • a rack gap 23L is provided between the racks.
  • the teeth adjacent to the gap have a gap tooth pitch ZL to one another.
  • the toothed racks 23 are designed and arranged in such a way that, despite the toothed rack gap 23L, the gap tooth pitch ZL corresponds to the defined tooth pitch ZI. This enables a smooth transition of the drive wheel 53 from a rack 23 to the adjacent rack.
  • the attachment of the toothed racks to a shaft 6 is described with reference to FIG. 4.
  • the shaft can be through a concrete wall or through a frame on the shaft side
  • Elevator components are attached.
  • the elevator installation has, among other things, an adjustment arrangement 7, by means of which the positions of one or more racks 23 in the track direction S can be adjusted. Based on the setting arrangement, the
  • Gap tooth pitches ZL set to any value, in particular to the value of the defined tooth pitch ZI.
  • the setting arrangement 7 comprises a plurality of setting points 71.
  • Each setting point comprises a shaft-side fastening 73 and a rack-side fastening 74. Between the shaft-side fastening 73 and the rack-side fastening 74 there is one
  • Screw connection 75 is provided, on the basis of which an orientation of the shaft-side fastening 73 and the rack-side fastening 74 can be varied. By varying this orientation, the position of the respective rack, which is fastened with the rack-side fastening 74, can be adjusted and finally the gap tooth pitches ZL can also be adjusted.
  • the gap tooth pitch is ZL
  • movable adjacent vertical rack 23B here any value between the single defined tooth pitch IxZl and twice the defined tooth pitch 2xZl.
  • FIG. 5 shows the travel path of the drive wheel 53 over the rack gap 23L shown in the upper part of FIG. 4.
  • the rotational position can be tracked using the individual intervention means highlighted by black shading in the illustration.
  • the rack gap 23L is not optimally set in the illustrations in FIGS. 5a-d and thus has, for example, a gap tooth pitch ZL of approximately 1.5 ⁇ Z1.
  • the drive wheel 53 When moving over the rack gap 23L from bottom to top, the drive wheel 53 consequently do not plunge gently into the corresponding tooth gap, but rather collide with the head of the first gear of the vertical rack (see “Blitz” in Figure 5d).
  • FIG. 6 shows the rotational position w52 or the constant rotational speed v52 of the drive wheel over time during the situations shown in FIGS. 5a-d.
  • the gap tooth pitch ZL is set to a desired value, in particular IxZl, in one setting process (see FIG. 7a). If the drive wheel 53 now drives over the toothed rack gap 23L, it becomes a smooth one
  • FIG. 8 shows the rotational position w52 or the constant rotational speed v52d of the drive wheel over time during the situations which are shown in FIGS. 7a-e.
  • Tooth spacing of +/- 20% is used in one embodiment in order to make the tooth spacing in the transition region of adjacent toothed racks sufficiently small, even if the toothed racks themselves have an excessive degree of misalignment. This is explained on the basis of FIG. 9.
  • Figure 9 shows an embodiment of the adjustment arrangement.
  • the setting arrangement here has a second setting points 72 within a rack 23.
  • the rack 23 has a plurality of tooth sections 23S1, 23S2 23S3.
  • the tooth pitch can be in
  • Transition area between two tooth sections based on the defined tooth pitch 1Z can be changed, in particular enlarged, by an adjustable tooth pitch difference dZ.
  • the toothed rack according to FIG. 6 thus has a first tooth section 23S1
  • the first tooth portion 23S1 has a plurality of teeth.
  • a length adjuster 8 has an adjusting screw 81. Based on Adjustment screw 81, the tooth sections are connected in series. The tooth pitch difference dZ can be changed by turning the adjusting screw 81 (FIG. 9b).
  • Thread areas Gl, G2, G3 have at least partially different pitches.
  • a first slope is provided in a first area G1. Based on the first
  • Thread section Gl is only the adjusting screw 81 compared to the first
  • Tooth section 23S1 held in a defined orientation. To this end, the first
  • Tooth section 23S1 a through hole Bl (without internal thread) for receiving
  • Adjustment screw 81 on.
  • the adjusting screw 81 is fastened on the first tooth section 23S1 by means of nuts 82 by means of the first threaded section Gl.
  • a second pitch is provided in a second thread area G2; the second tooth section 23S2 is guided thereon, the second tooth section having a second bore B2 with an internal thread (matching the external thread of the second threaded section).
  • a third pitch is provided in a third thread area G3; this becomes the third
  • the third slope is twice the second slope.
  • Tooth section 23S3 can be adjusted evenly since the displacement of the third
  • Tooth section 23S2 is twice as large as the displacement of the second tooth section 23S2.
  • Thread section Gl, G2 is identical.
  • IZ + dZ tolerable misalignment
  • Data storage 55 stored. For example, positions of tooth tips can then be made available as information 57 during the operation of the motor controller 54.
  • the individual values of the gap tooth divisions are linked to the associated positions along the lane. The difference between the current position and the relative position between the drive wheel and a tooth tip can then be used.
  • only a link between a target drive wheel position and the position of the cabin can be stored in the data memory; this link then takes into account the tooth pitch at the corresponding position.
  • a tooth sensor 56 which drives the car along the lane.
  • the tooth sensor detects the shape of the rack, in particular the position of tooth heads, before the drive wheel comes into engagement with the respective tooth head.
  • sensor 56 also provides information 57 about the relative position between the drive wheel and the tooth tips.
  • a sensor can be a laser scanner or a Hall sensor, each of which can detect a distance from a surface; if the distance to the surface is small, the presence of a tooth head at the sensor position is registered.
  • a variety of other sensors are conceivable.
  • the configuration according to FIG. 11 therefore only requires a rough alignment of the racks with respect to one another, each with large tolerances.
  • the drive connection via the drive wheel 52 to the rack is interrupted. If the car has only one drive wheel 52, the car can then briefly be in a kind of parabolic flight. However, since this state only lasts a few fractions of a second, passengers hardly notice it.
  • the duration of the drive interruption i.e. the gap tooth position in combination with the driving speed, is therefore decisive for the comfort behavior of the elevator system.
  • the loss of comfort caused by the drive interruption can be reduced or eliminated if the car (as shown by way of example in FIG. 2) has at least two
  • the drive power of the gearwheel connected to the drive can be temporarily increased in order to at least partially compensate for the brief loss of drive power of the other drive wheel.
  • FIG. 12 shows a toothed rack 23 with an outermost tooth 24D, which is designed to be bendable.
  • the tooth can be made of hard rubber.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Civil Engineering (AREA)
  • Types And Forms Of Lifts (AREA)
  • Warehouses Or Storage Devices (AREA)

Abstract

Système d'ascenseur (1) comprenant : une pluralité de voies de déplacement (2VL, 2VR, 2H) orientées dans une direction (z, y), au moins une cabine d'ascenseur (5), des rails de guidage (22V, 22B, 22H) servant à guider la cabine d'ascenseur (5) le long des voies de déplacement ; au moins une unité de transfert (30) servant à transférer la cabine d'ascenseur d'une des voies de déplacement à une autre. Ce système d'ascenseur est caractérisé par - des crémaillères (23V, 23B, 23H) installées le long des voies de déplacement, - un dispositif d'entraînement (52-55) comprenant une roue d'entraînement (52) montée sur la cabine d'ascenseur (5) et pouvant interagir avec les crémaillères pour appliquer une force d'entraînement à la cabine d'ascenseur (5) afin de déplacer cette dernière.
PCT/EP2020/050361 2019-01-21 2020-01-09 Système d'ascenseur WO2020151952A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202080010233.3A CN113710604A (zh) 2019-01-21 2020-01-09 电梯设备
EP20700459.9A EP3914548A2 (fr) 2019-01-21 2020-01-09 Système d'ascenseur

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102019200669.8 2019-01-21
DE102019200665.5 2019-01-21
DE102019200669.8A DE102019200669A1 (de) 2019-01-21 2019-01-21 Aufzugsanlage
DE102019200665.5A DE102019200665A1 (de) 2019-01-21 2019-01-21 Aufzugsanlage

Publications (2)

Publication Number Publication Date
WO2020151952A2 true WO2020151952A2 (fr) 2020-07-30
WO2020151952A3 WO2020151952A3 (fr) 2020-11-05

Family

ID=69157851

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2020/050361 WO2020151952A2 (fr) 2019-01-21 2020-01-09 Système d'ascenseur

Country Status (3)

Country Link
EP (1) EP3914548A2 (fr)
CN (1) CN113710604A (fr)
WO (1) WO2020151952A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113830652A (zh) * 2021-09-15 2021-12-24 李翔 一种具有轿门安全保护装置的电梯

Citations (4)

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Publication number Priority date Publication date Assignee Title
WO2015144781A1 (fr) 2014-03-28 2015-10-01 Thyssenkrupp Elevator Ag Système d'ascenseur
DE102014220966A1 (de) 2014-10-16 2016-04-21 Thyssenkrupp Elevator Ag Verfahren zum Betreiben einer Transportanlage sowie entsprechende Transportanlage
DE102015218025A1 (de) 2015-09-18 2017-03-23 Thyssenkrupp Ag Aufzugsystem
DE102016211997A1 (de) 2016-07-01 2018-01-04 Thyssenkrupp Ag Aufzugsanlage

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US1859483A (en) * 1929-08-23 1932-05-24 Lenna R Winslow Elevator
JPH02110097A (ja) * 1989-09-20 1990-04-23 Hitachi Ltd エレベータ乗場ドア装置
GB201016023D0 (en) * 2010-09-24 2010-11-10 Godwin Adrian M Transportation system
EP3002243A1 (fr) * 2014-09-30 2016-04-06 Inventio AG Système d'élévation équipé de cabines entraînées individuellement et voie de circulation fermée
CN108059062B (zh) * 2016-11-07 2020-05-26 奥的斯电梯公司 模块化调转站
CN108821063B (zh) * 2018-07-13 2023-06-09 辽宁科技大学 模块化二维电梯组及其运行控制方法

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Publication number Priority date Publication date Assignee Title
WO2015144781A1 (fr) 2014-03-28 2015-10-01 Thyssenkrupp Elevator Ag Système d'ascenseur
DE102014220966A1 (de) 2014-10-16 2016-04-21 Thyssenkrupp Elevator Ag Verfahren zum Betreiben einer Transportanlage sowie entsprechende Transportanlage
DE102015218025A1 (de) 2015-09-18 2017-03-23 Thyssenkrupp Ag Aufzugsystem
DE102016211997A1 (de) 2016-07-01 2018-01-04 Thyssenkrupp Ag Aufzugsanlage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113830652A (zh) * 2021-09-15 2021-12-24 李翔 一种具有轿门安全保护装置的电梯
CN113830652B (zh) * 2021-09-15 2023-07-21 李翔 一种具有轿门安全保护装置的电梯

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WO2020151952A3 (fr) 2020-11-05
CN113710604A (zh) 2021-11-26
EP3914548A2 (fr) 2021-12-01

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