CN1839087A - Elevator roller guide device with variable stiffness damper - Google Patents
Elevator roller guide device with variable stiffness damper Download PDFInfo
- Publication number
- CN1839087A CN1839087A CNA2003801105072A CN200380110507A CN1839087A CN 1839087 A CN1839087 A CN 1839087A CN A2003801105072 A CNA2003801105072 A CN A2003801105072A CN 200380110507 A CN200380110507 A CN 200380110507A CN 1839087 A CN1839087 A CN 1839087A
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- CN
- China
- Prior art keywords
- damper
- roller
- controller
- rigidity
- changes
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/02—Guideways; Guides
- B66B7/04—Riding means, e.g. Shoes, Rollers, between car and guiding means, e.g. rails, ropes
- B66B7/046—Rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/02—Guideways; Guides
- B66B7/04—Riding means, e.g. Shoes, Rollers, between car and guiding means, e.g. rails, ropes
- B66B7/041—Riding means, e.g. Shoes, Rollers, between car and guiding means, e.g. rails, ropes including active attenuation system for shocks, vibrations
- B66B7/042—Riding means, e.g. Shoes, Rollers, between car and guiding means, e.g. rails, ropes including active attenuation system for shocks, vibrations with rollers, shoes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/02—Guideways; Guides
- B66B7/04—Riding means, e.g. Shoes, Rollers, between car and guiding means, e.g. rails, ropes
- B66B7/041—Riding means, e.g. Shoes, Rollers, between car and guiding means, e.g. rails, ropes including active attenuation system for shocks, vibrations
- B66B7/044—Riding means, e.g. Shoes, Rollers, between car and guiding means, e.g. rails, ropes including active attenuation system for shocks, vibrations with magnetic or electromagnetic means
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
An elevator system roller guide device (26) includes a plurality of rollers (32) that roll along a guide rail (28). Dampers (40) that have a selectively variable stiffness dampen lateral movements between the rollers (32) and roller guide device base (30) as the elevator car assembly (20) moves through a hoistway. In one example, the dampers include a magneto-rheological fluid. A controller (50) selectively controls a magnetic field generated by an electromagnet (52) to selectively control the viscosity of the magneto-rheological fluid and the stiffness of the dampers (40).
Description
Technical field
The present invention relates to elevator system on the whole.More specifically, the present invention relates to be used for the roller guide systems of elevator.
Background technology
Elevator system generally includes car, and this car is vertically advanced in hoist-hole so that passenger transport or goods between the different floors in building.Guide rail extends through hoist-hole so that the motion of guiding car.The guidance system relevant with car following guide rail.Canonical system comprises that having slip leads certainly or the guide piece of deflector roll.
A common difficult problem relevant with conventional system is exactly any misaligned situations of guide rail or the ride quality that any unfairness in the guide rail surface all can reduce elevator system.For instance, the inconsistency on guide rail alignment case or surface is passed to the work stall of car assembly usually by guidance system, thereby produces the sentient vibration of passenger.
Attempted reducing to minimum by spring being included in the roller guide vibration that will feel, spring is allowed at roller makes roller carry out certain movement with respect to guide piece and car frame when rail level travels.The remarkable shortcoming of conventional configuration is that spring only has a rigidity that is provided with during installation.Along with the past of time, may wish to change this rigidity, but utilize conventional configuration and be not easy to realize this purpose.In addition, be the elevator ride quality of realizing ideal, need during installation to relate to appreciiable adjusting, thereby need the increase time and increased the expense of elevator fitting operation.
Desirable is that complexity and the special hope that reduces the elevator system installation reduces alignment and the required time quantum of guide rail is set.The elevator guide devices that also needs ride quality to strengthen.The present invention has satisfied shortcoming and the defective that these needs have been avoided prior art simultaneously.
Summary of the invention
In general, the present invention is a kind of roller guide that is used for elevator system, and this assembly has stiffness variable and optionally regulates rigidity.
An example of roller guide device designed according to this invention comprises pedestal.At least one roller by base support in case make roller can around roll axis rotate and can be along at least one perpendicular to the direction of roll axis with respect to base motion.Relative motion with damper damping roller of the alternative rigidity that changes.
In an example, damper comprises the fluid with variable viscosity.Fluid in one embodiment comprises magneto-rheological fluid.Magnetic field generator optionally provides the field of the viscosity that changes magneto-rheological fluid, so that change the rigidity of damper.
In an example, vibration sensor such as accelerometer are associated with the elevator car assembly and provide information about the vibratory magnitude of elevator car to controller.Controller utilizes these vibration informations to control the rigidity of damper so that realize ideal ride quality.
Following to detailed description of the currently preferred embodiment by reading, those skilled in the art will clearer various feature and advantage of the present invention.Follow these figure of detailed description can be briefly described as follows.
Description of drawings
Fig. 1 schematically shows a kind of elevator car assembly that comprises roller guide device designed according to this invention.
Fig. 2 schematically shows example roller guide device of design-calculated according to the present invention.
Fig. 3 schematically shows the exemplary operations situation of another example embodiment of roller guide device designed according to this invention.
The specific embodiment
Fig. 1 shows a kind of elevator car assembly 20, and it comprises the work stall 22 that is supported on the car frame 24.For instance, when car assembly 20 moved by hoist-hole according to the conventional type mode, a plurality of roller guide device 26 guiding car assemblies 20 moved along guide rail 28 (only showing).
In this example, each roller 32 be supported on can roller fabricated section 36 with respect to pedestal 30 motion on.In an illustrated embodiment, each roller fabricated section 36 can be done pivoted with respect to pedestal 30 around axis 38.This type games can move so that adapt to the sideway movement of car assembly with respect to guide rail 28 roller along at least one perpendicular to the direction of roll axis 34.
Shown in example in, each roller all has the associated damper 40 that is used for the motion between damping roller fabricated section 36 and the pedestal 30.The rigidity that damper 40 has can be automatically, optionally change is so that control the amount of the relative sideway movement between pedestal 30 and the guide rail 28 by control roll and the amount that may move between the pedestal.
Shown in example in, roller fabricated section 36 comprises reaction surface 42, and pedestal 30 comprises reaction surface 44, is placing damper 40 between these two faces.Shown in example in, each damper 40 has two cylinders 46 and 48 that can relative to each other move according to known way, wherein provides desirable damping level by piston liquid motion that (not shown) causes in damper 40.In an example, the fluid in the damper 40 has variable viscosity so that optionally change the rigidity of damper.In a preferred examples, the fluid in the damper comprises magneto-rheological fluid.Various these type of fluids are known and available from the market.
Can understand better from Fig. 1 and 3, controller 50 optionally changes the rigidity of damper 40 so that carry the desired quantity that traveling comfort is controlled for elevator car assembly 20 provides.For instance, controller can be an application specific processor or a part of being responsible for the controller of control elevator travel.Controller 50 is being controlled field generator such as electromagnet 52 so that optionally change magnetic field, and described magnetic field makes the suspended particles polarization in the magneto-rheological fluid so that make particle form the column structure that is parallel to impressed field according to known way.The increase of amount of polarization and chain structure has just increased the viscosity of fluid and has utilized damper 40 constrained motions, and this just provides the more shock damping action of rigidity.
In an example, motion indicator 54 is supported in the select location on the car assembly 20 as accelerometer or another sensor.In the example of Fig. 1, motion detector 54 is supported on to work stall 22 and provides on the platform of supporting.In another example, provide movable information from mechanical control device to controller 50, mechanical control device is responsible for controlling the motion of the car assembly 20 in the hoist-hole.In this example, mechanical control device is also as motion indicator.
In an example, motion detector is a sensor special, and it provides the information about the vibration or the sideway movement of car assembly 20.During car was advanced, the rigidity that changes damper 40 just made minimum vibration or has eliminated vibration.In another example, when motion detector indication car is in motion or quiescence.In this example, controller is programmed so that improve damper stiffness, thereby the motion of car when the passenger enters or leave work stall reduced to minimum.So when car begins to advance, can reduce rigidity so that obtain better ride quality.Those skilled in the art utilize these descriptions will be understood that how to use the information about car movement from motion sensor or mechanical control device, so that satisfy the needs of its particular case better.
Schematically shown in Figure 3, any unfairness on one of any misaligned situations of track 28 or rail level all may cause car assembly and pedestal 30 that sideway movement takes place.By the rigidity of automatic change damper 40, the structure that is provided with of the present invention allows roller 32 to move as arrow 58 with respect to pedestal 30 (and car frame) so that the sideway movement of elevator car assembly 20 is reduced to minimum with being schematically shown.Rigidity levels and permissible vibratory magnitude will change according to specific installation situation, and still quiescence is irrelevant in motion everywhere in landing with car, and irrelevant with the selected parts of specific embodiment.Those skilled in the art utilize these descriptions can select suitable parts and can suitably programme for commercially available microprocessor, for instance, so that realize satisfying the desirable ride quality of particular case needs.
In an example, controller 50 preferably is programmed and controls each damper 40 relevant with each roller 32 independently.According to the vibration of the car assembly that is detected or the type of undesirable sideway movement, controller 50 may change the rigidity of any one damper 40 or all dampers 40 independently so that realize ideal ride quality.For instance, compare, can control side to side vibrations independently with the front and back lateral car movement.
The invention provides a kind of improved guide device that is used for elevator system, can be automatically in response to the situation in the hoist-hole, and otherwise will cause the ride quality of introducing undesirable vibration and reducing elevator car.The design-calculated guide piece according to the present invention with variable stiffness dampers has not only improved ride quality, and reduces guide rail required accuracy level is installed, and has eliminated the adjusting consuming time of the previous guiding of pair roller type during installation damper.Variable stiffness dampers allows that device avoids car vibrations, though when rail alignment is bad also can be like this will cause car to produce undesirable sideway movement the time.
Foregoing description is essentially exemplary and non-limiting.Those skilled in the art will be clear: disclosed example is changed surplus change not necessarily deviate from essence of the present invention.Therefore, scope of legal protection given to this invention can only decide by the research claim.
Claims (17)
1. roller guide device (26) that is used for elevator system comprising:
Pedestal (30);
At least one roller (32), its by base support in case make roller can around roll axis (34) rotate and can be along at least one perpendicular to the direction of roll axis with respect to base motion; And
Damper (40), it has the relative motion of alternative rigidity that changes and energy damping roller.
2. device according to claim 1 comprises the controller (50) of the rigidity of automatic change damper (40).
3. device according to claim 2 comprises the elevator car motion indicator (54) that keeps in touch with controller (50), and its middle controller changes damper stiffness in response to the sports level that is detected.
4. device according to claim 1, wherein damper (40) comprises the fluid with variable viscosity.
5. device according to claim 4, wherein the fluid of damper (40) comprises magneto-rheological fluid.
6. device according to claim 5 comprises field generator (52), and it can produce the field of the viscosity that changes magneto-rheological fluid.
7. device according to claim 6 comprises the controller (50) of controlling field generator (52).
8. device according to claim 7 comprise the indicating device (54) that the indication of elevator car motion is provided to controller (50), and its middle controller is being controlled damper stiffness according to level of vibration.
9. device according to claim 1, comprise a plurality of rollers (32) with each roller variable stiffness dampers (40) relevant with controller (50), described controller (50) is being controlled the rigidity of each damper respectively.
10. elevator system comprises:
Car frame (24);
At least one roller (32), it is subjected to supporting to be in vertical motion along with framework, to rotate and carry out sideway movement with respect to framework with respect to framework; And
The alternative damper (40) that changes rigidity, its damping roller (32) is with respect to the sideway movement of framework (24).
11. system according to claim 10 comprises the controller (50) of the rigidity of automatic change damper (40).
12. system according to claim 11 comprise the vibration indicator (54) that the indication of car frame level of vibration is provided to controller (50), and its middle controller changes the rigidity of damper (40) according to level of vibration.
13. system according to claim 10, wherein damper (40) comprises having the optionally magneto-rheological fluid of variable viscosity.
Be used for advancing so that the roller (32) of car assembly perpendicular movement along guide rail (28) 14. the method for sideway movement of a control elevator car assembly (20), this elevator car assembly (20) have at least one, this method comprises:
Selectivity also automatically changes the ability of roller (32) with respect to the sideway movement of car assembly.
15. method according to claim 14, wherein have the damper (40) relevant with roller (32) in case the damping roller with respect to the sideway movement of car assembly, and this method comprises the rigidity that optionally changes damper.
16. method according to claim 15, wherein damper (40) comprises magneto-rheological fluid, and this method comprises optionally and applies magnetic field to the damper fluid.
17. method according to claim 14 wherein has a plurality of rollers (30) and relevant damper (40), the sideway movement of damper (40) damping roller, and this method comprises and controls damper respectively.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2003/031927 WO2005044710A1 (en) | 2003-10-08 | 2003-10-08 | Elevator roller guide with variable stiffness damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1839087A true CN1839087A (en) | 2006-09-27 |
Family
ID=34572275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2003801105072A Pending CN1839087A (en) | 2003-10-08 | 2003-10-08 | Elevator roller guide device with variable stiffness damper |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1678068A4 (en) |
| JP (1) | JP2007521204A (en) |
| CN (1) | CN1839087A (en) |
| AU (1) | AU2003282493A1 (en) |
| WO (1) | WO2005044710A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102239102A (en) * | 2008-12-05 | 2011-11-09 | 奥的斯电梯公司 | Elevator car positioning using a vibration damper |
| CN103193133A (en) * | 2012-01-06 | 2013-07-10 | 株式会社日立制作所 | Guide member assembly and elevator equipment |
| CN104477729A (en) * | 2014-12-13 | 2015-04-01 | 重庆和航科技股份有限公司 | Elevator system with adaptive damping device |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7543686B2 (en) * | 2003-04-15 | 2009-06-09 | Otis Elevator Company | Elevator with rollers having selectively variable hardness |
| US7740235B2 (en) | 2005-03-08 | 2010-06-22 | Inventio Ag | Mount for equipment for conveying persons |
| FI20080653L (en) * | 2008-12-11 | 2010-06-12 | Kone Corp | System and method for reducing elevator noise and vibration caused by the elevator machinery |
| US8761947B2 (en) | 2010-06-30 | 2014-06-24 | Mitsubishi Electric Research Laboratories, Inc. | System and method for reducing lateral vibration in elevator systems |
| JP5538654B2 (en) * | 2011-03-22 | 2014-07-02 | 三菱電機株式会社 | Elevator damping device |
| CN103547526B (en) | 2011-05-27 | 2016-10-12 | 奥的斯电梯公司 | Non-linear rigidity roller assembly |
| US9725281B2 (en) | 2011-08-24 | 2017-08-08 | Otis Elevator Company | Elevator roller guide |
| JP5879166B2 (en) * | 2012-03-21 | 2016-03-08 | 株式会社日立製作所 | Elevator |
| JP5528594B2 (en) * | 2013-03-08 | 2014-06-25 | 三菱電機株式会社 | Elevator damping device |
| JP2018030711A (en) * | 2016-08-26 | 2018-03-01 | 東芝エレベータ株式会社 | Elevator device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5810120A (en) * | 1996-11-05 | 1998-09-22 | Otis Elevator Company | Roller guide assembly featuring a combination of a solenoid and an electromagnet for providing counterbalanced centering control |
| US5824976A (en) * | 1997-03-03 | 1998-10-20 | Otis Elevator Company | Method and apparatus for sensing fault conditions for an elevator active roller guide |
| US5864102A (en) * | 1997-05-16 | 1999-01-26 | Otis Elevator Company | Dual magnet controller for an elevator active roller guide |
| JPH11222369A (en) * | 1998-02-05 | 1999-08-17 | Hitachi Building Systems Co Ltd | Guide device of etlevator |
| US5929399A (en) * | 1998-08-19 | 1999-07-27 | Otis Elevator Company | Automatic open loop force gain control of magnetic actuators for elevator active suspension |
| JP4097848B2 (en) * | 1999-07-06 | 2008-06-11 | 東芝エレベータ株式会社 | Elevator guide device |
| JP2002173284A (en) * | 2000-12-11 | 2002-06-21 | Toshiba Corp | Roller guide control device of elevator |
-
2003
- 2003-10-08 EP EP03774685A patent/EP1678068A4/en not_active Withdrawn
- 2003-10-08 JP JP2005510488A patent/JP2007521204A/en active Pending
- 2003-10-08 CN CNA2003801105072A patent/CN1839087A/en active Pending
- 2003-10-08 WO PCT/US2003/031927 patent/WO2005044710A1/en active Application Filing
- 2003-10-08 AU AU2003282493A patent/AU2003282493A1/en not_active Abandoned
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102239102A (en) * | 2008-12-05 | 2011-11-09 | 奥的斯电梯公司 | Elevator car positioning using a vibration damper |
| CN102239102B (en) * | 2008-12-05 | 2016-01-20 | 奥的斯电梯公司 | Use the elevator car location of vibration damper |
| CN103193133A (en) * | 2012-01-06 | 2013-07-10 | 株式会社日立制作所 | Guide member assembly and elevator equipment |
| CN104477729A (en) * | 2014-12-13 | 2015-04-01 | 重庆和航科技股份有限公司 | Elevator system with adaptive damping device |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2003282493A1 (en) | 2005-05-26 |
| JP2007521204A (en) | 2007-08-02 |
| EP1678068A1 (en) | 2006-07-12 |
| WO2005044710A1 (en) | 2005-05-19 |
| EP1678068A4 (en) | 2009-05-13 |
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