EP4107106A1 - Elevator system - Google Patents
Elevator systemInfo
- Publication number
- EP4107106A1 EP4107106A1 EP21706257.9A EP21706257A EP4107106A1 EP 4107106 A1 EP4107106 A1 EP 4107106A1 EP 21706257 A EP21706257 A EP 21706257A EP 4107106 A1 EP4107106 A1 EP 4107106A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- elevator
- cabin
- support
- elevator system
- actuator
- 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
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000013016 damping Methods 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 4
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- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 230000005484 gravity Effects 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 230000003993 interaction Effects 0.000 claims 1
- 239000000725 suspension Substances 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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
- B66B9/003—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
-
- 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
-
- 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
- B66B11/026—Attenuation system for shocks, vibrations, imbalance, e.g. passengers on the same side
- B66B11/0293—Suspension locking or inhibiting means to avoid movement when car is stopped at a floor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/34—Safe lift clips; Keps
Definitions
- the invention refers to an elevator system, in particular to a ropeless elevator system comprising one or multiple elevator cabins.
- a car arrangement for an elevator system is disclosed in WO 2018/153650.
- the car arrangement comprises a car support with at least one horizontal leg and at least one vertical leg, the elevator car resting on the at least one horizontal leg and the horizontal leg being at least indirectly connected to a bearing via the vertical leg.
- the weight of the elevator car including the payloads, is largely passed through the car floor as compressive forces.
- Such an arrangement however reguires a substantial amount of space about the exterior of the elevator car within the elevator shaft and therefore restricts the size of the elevator car that can be used.
- WO 2018/046406 Al which may be considered as closest prior art, shows an elevator having a cabin.
- the cabin is supported on a carrier in a forklift manner.
- a level of the cabin floor can be lifted or lowered to the cabin floor level matches to a floor level of a floor level in the building.
- the invention relates to a, in particular ropeless, elevator system having at least one elevator shaft and at least one elevator car.
- the elevator system can comprise a plurality of said elevator cars.
- the elevator car preferably comprises:
- an elevator cabin adapted to transport passengers between floors of a building
- an elevator support adapted to support the weight of the elevator cabin.
- the elevator support is adapted to connect to both the elevator cabin and the sledge.
- the sledge is a mechanism that connects to both
- the sledge can also advantageously be adapted to comprise braking elements and one or more auxiliary mechanism, e.g., a damping system.
- auxiliary mechanism e.g., a damping system
- the elevator car is adapted to switch between a first elevator shaft and at least one further elevator shaft, wherein the car can travel in both directions, in particular in upwards and downwards direction in each vertical shaft and or sidewards in a horizontal shaft.
- the elevator support is comprised in a suspension system, preferably a rucksack suspension system, such that it is positioned in parallel with a vertical wall in particular a single side of the elevator cabin, preferably the rear side of the elevator cabin.
- the the rear side may be opposite the front side of the elevator cabin where passengers enter and exit.
- This type of elevator support is preferably as streamlined as possible with the rear wall of the elevator cabin, thus space can be saved or even redistributed within the elevator shaft. This can accommodate for example:
- the elevator cabin comprises a reinforced rear wall and a reinforced floor structure. This advantageously provides for the connection of the elevator support to the elevator cabin.
- the elevator support comprises a plurality of panels which intersect at a point Pi, each panel preferably comprising a plurality of connection means.
- the plurality of connection means are adapted to connect to one or both of:
- This type of elevator support is preferably as streamlined as possible with the rear wall of the elevator cabin, thus space can be saved or even redistributed within the elevator shaft.
- the elevator support is adapted to extend at least partially across the height of the elevator cabin, more preferably, extend across at least two thirds of the height of the elevator cabin. This advantageously provides support to a larger surface area of the cabin thereby increasing safety.
- the elevator support is adapted to extend substantially across the total height of the elevator cabin. This advantageously provides support to a larger surface area of the cabin thereby increasing safety.
- the elevator support further comprises a bearing housing located around the point of intersection Pi wherein the bearing housing comprises a plurality of working elements adapted to facilitate the travelling direction of the elevator car along one or more vertically, or vertically and/or horizontally extending rail comprised within the elevator shaft.
- the elevator system comprises one or more auxiliary mechanism, this advantageously provides a means that allows the cabin to move relative to the sledge and the shaft in order to compensate for e.g.;
- the one or more auxiliary mechanism is selected from the group comprising:
- a levelling system - preferably to aid in the control of the positioning of a sill of the elevator cabin with respect to a sill of a landing area;
- One or more auxiliary mechanism can also advantageously function as a safety mechanism whilst simultaneously improving passenger comfort.
- a levelling system can help ensure that the sill of the elevator cabin is at the same level as the sill of the landing.
- a damping system can help absorb any unpleasant effects of unexpected movements of the cabin thereby preventing discomfort to passengers.
- a locking system can for example function as a supporting device to the elevator cabin when it stops at each landing area, thereby helping to mitigate any risk that the drive motor of the elevator car overheats.
- a brake system for example can facilitate weight distribution and help relieve the weight on the car for a given time period.
- the one or more auxiliary mechanism preferably the levelling system comprises a camshaft system.
- the one or more auxiliary mechanism preferably the damping system, and/or the locking system and/or the brake system comprises a linear actuator arrangement.
- the one or more auxiliary mechanism is comprised within one or more of:
- the elevator cabin preferably, at the reinforced rear wall
- connection means comprises
- the elevator support is comprised of a light-weight composite material wherein the composite material comprises at least one from the group including:
- thermosetting or thermoplastic polymer one or more thermosetting or thermoplastic polymer
- the elevator support according to any embodiment of the invention is preferably made out of a light-weight resilient material, for example, aluminum casting and extrusion profile. Therefore, the overall weight of the elevator cabin is reduced, improving its performance and operational lifetime.
- the invention also relates to the use of an elevator system according to any of the preceding embodiments in a high rise building.
- Fig. 1 shows a typical elevator cabin having a reinforced rear wall and floor structure
- Fig. 2 shows an elevator cabin support according to a first embodiment of the invention
- Fig. 3 shows an exploded view of a section of the elevator cabin support shown in fig. 2;
- Fig. 4 shows an elevator cabin support according to a second embodiment of the invention;
- Fig. 4a shows an exploded view of a section of the elevator cabin support shown in
- Fig. 5 shows an elevator cabin comprising an elevator cabin support according to a third embodiment of the invention
- Figs. 6 to 8 show an elevator cabin comprising an elevator cabin support according to a first, second and third embodiment of the invention respectively;
- Figs. 9a to 9c show a schematic representation of an elevator cabin and an auxiliary mechanism
- Figs. 10a, 10b show a schematic representation of an auxiliary mechanism
- Fig. 11 shows a schematic representation of an elevator car in an elevator shaft comprising an auxiliary mechanism
- Fig. 12 the overall structure of an inventive elevator system.
- Fig. 12 shows parts of an inventive elevator system.
- Several, here exemplarily two, vertical travel tracks 2VL, 2VR are aligned in a first direction z, along which the cars 5 can be moved between different floors.
- horizontal travel tracks 2H are arranged in a second direction y, along which the cars 1 are each movable within one floor.
- the horizontal travel track 2H connects the two vertical travel tracks 2VL, 2VR with each other.
- the horizontal track 2H also serves to transfer the cars 1 between the two vertical tracks 2VL, 2VR between the two vertical tracks 2VL, 2VR.
- Additional horizontal travel tracks may be provided in the elevator system, which connect the two vertical travel tracks with each other. Further vertical tracks may also be provided, not shown, may be provided. Rails 22V, 22H, 22B are provided along the tracks to guide the cars 1. The cars 1 have guide rollers for this purpose that are not shown. Along transfer units the car 1 can transfer from one track to another track. In this embodiment the transfer unit comprises a movable rail 22B.
- the elevator car has a sledge 11 with rollers 13, wherein the rollers 13 provides guidance of the sledge at the rails 22.
- the sledge 11 has a support bearing 12, to which a support 10 of the car 1 is attached in a rotatably manner.
- the elevator 1 car has a cabin 100 for accommodation of passengers.
- the support 10 connects the cabin 100 with the sledge of the car 1.
- the orientation of the sledge 11 can change from a vertical orientation to a horizontal orientation.
- the orientation of the cabin stays always constant.
- the sledge 11 is shown in figure 12 without an attached support and cabin.
- An elevator having such a structure is in principle disclosed in DE WO 2015/144781 Al, DE 10 2016 211 997A1 and DE 102015 218 025 Al.
- an elevator cabin 100 is shown having a reinforced vertical wall 101 (with reinforcements 101R) and a reinforced floor structure 102.
- the vertical wall is a rear wall.
- the cabin 100 is adapted such that an elevator support 10 (not shown) according to an embodiment of the invention can be attached thereto.
- the elevator support 10 is described in further detail in figures 2 to 8.
- the support 10 is connected to the cabin 100 at a lower area 101L of the vertical wall 101 and at a upper area 101U of the vertical wall. In particular the connection has not be immediate between the wall and the support itself. Compared the solution of the prior art less space is reguired below the elevator floor.
- Fig. 2 shows an elevator support 10 according to a first embodiment of the invention.
- the elevator support 10 comprises two elongated panels 20 which intersect at their respective centers at point P, to form in particular an “X” shape.
- a bearing housing 30 Surrounding the point of intersection P, is a bearing housing 30 which comprises a plurality of working elements 31 for example a locking device between a sledge (not shown), and the support 10.
- the plurality of working elements 31 are adapted to facilitate the travelling direction of the elevator car 1 along the one or more vertically extending rail.
- These working elements 31 also provide for example a rotative function that enables an elevator cabin e.g., the elevator cabin 100 to switch between elevator shafts and thereby travel in both vertical and horizontal directions.
- the bearing housing 30 can also optionally act as a point of connection between the elevator cabin 100 and the support 10, however it is not shown in this particular example. Further information regarding how an elevator cabin moves between elevator shafts can be found in the applicant’s patent EP 3122680 Bl.
- the support 10 comprises at the end of each panel 20 a connection means 201, this is shown more clearly in fig. 3.
- the elevator cabin 100 is connected to the support 10 at each connection means 201.
- the connection means 201 is adapted to be attached to the reinforced wall 101 and/or the reinforced floor structure 102 of the elevator cabin 100 in each case in the lower area 101 L of the rear wall 101. This is shown more clearly in figure 6.
- connection means 201 comprise a first connecting elements 201aand second connecting elements 201b.
- first connecting element 201a include one or more of screws, nuts and bolts however any suitable connecting element.
- the first connecting element 201a is attached to the cabin 100
- the second connecting element201b is attached to the support 10 and/or the panel 20 of the support.
- the connecting elements allow a vertical relative movement of the second connecting element 201b relative to the first connecting element 201a, so that the position vertical orientation between the cabin (and consequently to the cabin floor) relative to the support can be adjusted.
- the connection means 201 can be a linear bearing which supports vertical movement. So as an example a connecting element 201a, b can be a vertical oriented bolt, which is at least partially surrounded by the respective other connecting element.
- the cabin 100 is held relative to the support in a cantilever like manner, resulting horizontal in heavy horizontal forces Fh.
- a main function of the connecting means 201 in the upper and lower 101 U, 101 L area is to transmit at least theses horizontal forces Fh from the cabin to the support 10.
- Cantilevered means, that the support is not located below the center of gravity of the cabin, so that the cabin weight can not be transferred by merely vertically forces, but also by bending stress.
- the elevator support 10 can optionally comprise one or more auxiliary mechanism to facilitate and improve the mobility quality of the elevator cabin 100.
- a damping system can be introduced, wherein said system comprises a spring, or a pneumatic or hydraulic mechanism.
- a levelling system could also be introduced whereby the elevator cabin 100 can be rotated or tilted any number of degrees to ensure that the sill of the elevator cabin and the sill at the landing side are at the same level. This is described in further detail in figs. 4, 5, 7 and 8.
- Fig. 4 shows a support 10 according to a second embodiment of the invention. As in the previous embodiment The support 10 comprises two elongated panels 20 which intersect at their respective centers at point P, to form an “X” shape.
- a bearing housing 30 Surrounding the point of intersection P, is a bearing housing 30 which comprises a plurality of working elements 31 for example a locking device between a sledge (not shown) and the support.
- the plurality of working elements 31 are adapted to facilitate the travelling direction of the elevator car 1 along the one or more vertically extending rail.
- These working elements 31 also provide for example a rotative function that enables an elevator cabin e.g., the elevator cabin 100 to switch between elevator shafts and thereby travel in both vertical and horizontal directions.
- connection means 201 is comprised at the bottom end of each of the intersecting panels 20.
- This connection means 201 provides a rotation axle 2021 and is preferably comprised of a bolt or a load measuring bolt or other similar means.
- the bearing housing 30 comprises a connection means 203.
- the connection means 203 provides a middle fixation means 2031 and is preferably comprised of a bolt or other similar means and curved long hole which helps to enable rotation.
- connection means 202 is adapted to comprise an auxiliary mechanism 40, wherein said mechanism 40 is a camshaft system 40.
- the camshaft system 40 functions as a levelling system, whereby the elevator cabin 100 can be tilted any number of degrees to ensure that the sill on the cabin side is at the same level as the sill of the landing side.
- the camshaft system 40 comprises a motor 41 for camshaft rotation.
- the camshaft system 40 is secured to the reinforced rear wall 101 of the elevator cabin 100 allowing for the cabin 100 to be tilted as shown by the arrow A in fig. 4a.
- Fig. 5 shows an elevator support 10 according to a third embodiment of the invention.
- the support 10 comprises two elongated panels 20 which intersect at their respective centers at point P, to form an “X” shape.
- a bearing housing 30 Surrounding the point of intersection P, is a bearing housing 30 which comprises a plurality of working elements 31 for example a locking device between a sledge (not shown) and the support 10.
- the plurality of working elements 31 are adapted to facilitate the travelling direction of the elevator car 1 along the one or more vertically extending rail.
- These working elements 31 also provide for example a rotative function which enables an elevator cabin e.g., the elevator cabin 100 to switch between elevator shafts and thereby travel in both vertical and horizontal directions.
- the support 10 comprises a connection means 204 at each end of the intersecting panels 20, wherein said connection means 204 is preferably comprised of a bolt or a load measuring bolt or other similar means.
- the connection means 204 is connected to the reinforced rear wall 101 of the elevator cabin 100.
- An auxiliary mechanism 50 is provided which can be optionally connected to the elevator cabin 100 at the reinforced rear wall 101.
- the auxiliary mechanism 50 is comprised of a linear actuator arrangement e.g., a linear motor, hydraulic/pneumatic cylinder.
- This linear actuator arrangement 50 functions as a damping system to aid in vibration absorption.
- the linear actuator arrangement 50 can also facilitate cabin levelling.
- Fig. 6, fig. 7 and fig. 8 show a schematic representation of how the supportlO according to each embodiment of the invention looks when attached to an elevator cabin 100, at the reinforced rear wall 101 and reinforced floor structure 102.
- fig. 7 the structural outline of a cabin 100 is shown.
- a rubber bushing can optionally be added to aid in vibration absorption.
- Figs. 9a to 9c show a side view schematic representation of an auxiliary mechanism 60 which is located in the elevator shaft 2.
- the auxiliary mechanism is a locking system 60 which also facilitates in the re-leveling of the elevator cabin 100.
- the locking system 60 offers the opportunity to transfer the weight and electrical power necessary for re-leveling from the cabin 100 side to the shaft 2 side. At the shaft 2 side, considerations such as weight and electrical power are less of an issue.
- the cabin 100 is mounted to a support 10 according to any embodiment of the invention (shown more clearly in fig. 11).
- the locking system 60 is attached to the shaft 2, in particular to the shaft wall. In fig. 9a, the locking system 60 is at rest. With reference to fig. 10a, fig.
- the locking system 60 comprises a base body 61 which is attached to the shaft wall of shaft 2.
- An extendable arm 611 is comprised within the base body 61 which is extended when the locking system 60 is in operation (see figs. 9b and 9c).
- the base body 61 comprises a piston assembly 62 comprising a set of extendable pistons 621 which also extend when the locking system 60 is in operation (see figs. 9b and 9c).
- the piston assembly 62 is rotatably connected to the base body 61 at point connection 622.
- the extendable arm 611 and the extendable pistons 621 converge at a ledge 63.
- the ledge 63 is rotatable about connection point 631 which connects the extendable pistons 621 with the ledge 63.
- connection point 631 which connects the extendable pistons 621 with the ledge 63.
- the locking system 60 is fully extended and can move the cabin 100 in a vertical or horizontal direction, as shown by the arrows X, Y in fig. 9c.
- the operation of the locking system 60 is achieved by a motor or additional cylinder system (not shown).
- Fig. 10b shows an alternative locking system 60 wherein the base body 61 comprises a set of extendable arms 611 which converge to a ledge 63.
- This alternative system 60 operates in the same way as the system 60 described previously.
- Fig. 11 shows a schematic representation of an elevator car 1 comprising an elevator cabin 100 and an elevator support 10 in an elevator shaft (not shown) having a locking system 60.
- the locking system 60 is in its fully extended position with ledge 63 contacting the reinforced floor 102 of the elevator cabin 100 at both rear corners.
- connection means 2021 rotation axle
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102020202238 | 2020-02-21 | ||
DE102020205507 | 2020-04-30 | ||
PCT/EP2021/053902 WO2021165329A1 (en) | 2020-02-21 | 2021-02-17 | Elevator system |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4107106A1 true EP4107106A1 (en) | 2022-12-28 |
Family
ID=74666731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21706257.9A Pending EP4107106A1 (en) | 2020-02-21 | 2021-02-17 | Elevator system |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP4107106A1 (en) |
CN (1) | CN115151503A (en) |
WO (1) | WO2021165329A1 (en) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2708273B2 (en) * | 1990-11-27 | 1998-02-04 | 株式会社竹中工務店 | Elevator drive |
DE102014104458A1 (en) | 2014-03-28 | 2015-10-01 | Thyssenkrupp Elevator Ag | elevator system |
DE102015218025B4 (en) | 2015-09-18 | 2019-12-12 | Thyssenkrupp Ag | elevator system |
CN205312834U (en) * | 2016-01-20 | 2016-06-15 | 彭俊 | Many cars of ring rail formula elevator follows |
DE102016211997A1 (en) | 2016-07-01 | 2018-01-04 | Thyssenkrupp Ag | elevator system |
DE102016217016A1 (en) | 2016-09-07 | 2018-03-08 | Thyssenkrupp Ag | Car for a lift installation with linear motor drive, elevator installation with such a car and method for operating an elevator installation |
DE102017202845A1 (en) | 2017-02-22 | 2018-08-23 | Thyssenkrupp Ag | car assembly |
CN108821063B (en) * | 2018-07-13 | 2023-06-09 | 辽宁科技大学 | Modularized two-dimensional elevator group and operation control method thereof |
DE102019200235A1 (en) | 2019-01-10 | 2020-07-16 | Thyssenkrupp Ag | Elevator system with space-saving arrangement of components in the elevator shaft |
-
2021
- 2021-02-17 EP EP21706257.9A patent/EP4107106A1/en active Pending
- 2021-02-17 WO PCT/EP2021/053902 patent/WO2021165329A1/en unknown
- 2021-02-17 CN CN202180015833.3A patent/CN115151503A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
CN115151503A (en) | 2022-10-04 |
WO2021165329A1 (en) | 2021-08-26 |
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