CN100591603C - Elevator with selectable variable hardness roller - Google Patents

Elevator with selectable variable hardness roller Download PDF

Info

Publication number
CN100591603C
CN100591603C CN03826326A CN03826326A CN100591603C CN 100591603 C CN100591603 C CN 100591603C CN 03826326 A CN03826326 A CN 03826326A CN 03826326 A CN03826326 A CN 03826326A CN 100591603 C CN100591603 C CN 100591603C
Authority
CN
China
Prior art keywords
roller
magnetic field
elevator
elevator car
hardness
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.)
Expired - Fee Related
Application number
CN03826326A
Other languages
Chinese (zh)
Other versions
CN1764587A (en
Inventor
R·库拉克
M·特蕾西
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Otis Elevator Co
Original Assignee
Otis Elevator Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Otis Elevator Co filed Critical Otis Elevator Co
Publication of CN1764587A publication Critical patent/CN1764587A/en
Application granted granted Critical
Publication of CN100591603C publication Critical patent/CN100591603C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

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
    • 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

Abstract

An elevator system includes a roller (16) having a hardness that varies responsive to a magnetic field (20). The roller (16) rolls along a guide rail (28) to maintain a desired orientation of the elevator car (12). In one example, the roller (16) includes a membrane (30) defining a generally annular chamber (36) containing fluid (22) that changes viscosity responsive to changes in the magnetic field (20). The rollers (16) are associated with at least one magnetic field generator (18) that generates a magnetic field (20) of a selected strength. Varying the magnetic field varies the hardness ofeach roller (16) to control vibrations of the elevator car (12) to improve ride quality.

Description

Elevator with the roller that has selectable variable durometer
Technical field
The present invention relates in general to a kind of roller guide assemblies that is used for elevator system.More especially, the present invention relates to a kind of roller guide that the variable roller hardness of selection is arranged that has.
Background technology
Elevator system is usually included in the lift trunk and moves so that transport the car of passenger or article between the different floors of building.The guide rail that is installed in the lift trunk guides elevator car in lift trunk.Inconsistency in the guide rail causes undesirable vibration of elevator car.Under some state, undesirable vibration needs guide rail to aim at again.In addition, guide rail is made in specified tolerances, so that required elevator ride quality is provided.For guide rail, restricted tolerance needs high process technology of cost and method, and this has increased the cost of elevator system.
Usually, roller guide is installed on the elevator car by spring or bumper assembly so that buffering and absorb some inconsistency that exists along guide rail and the vibration that is delivered to elevator car.This roller guide assemblies adapts to the inconsistency of guide rail of fixed amount and relevant elevator car vibrations only.Fixedly rate buffer provides best running quality in limited opereating specification.In addition, the required restriction of elevator car speed that increased of ability of spring and buffer of damper vibration to alignment request.The running quality of elevator car is carried out balance between the elevator functional parameter of the needs of smooth running and for example lifting weight and elevator car speed.
Therefore, wish a kind of roller guide of exploitation, this guiding piece can adapt to the inconsistency of vibration and guide rail, so that improve elevator ride quality.
Summary of the invention
Embodiments of the invention are the roller guide assemblies that comprise roller, and roller has the hardness along with changes of magnetic field.
In one embodiment, roller of the present invention comprises film, and film limits the chamber of general toroidal, and chamber is included in the fluid that the magnetic field that is applied changes viscosity performance down.The magnetic field generator relevant with each roller produces the magnetic field with variable intensity, so that change the viscosity performance of fluid.The variable viscous properties of fluid causes the respective change of roller hardness.The variation of roller hardness makes cushion characteristic the best according to the elevator orientation of current detection and serviceability (i.e. vibration), so that the running quality of improvement is provided.
Particularly, a first aspect of the present invention provides a kind of roller guide assemblies that is used for elevator system, comprising: have the roller along with the hardness of changes of magnetic field, roller comprises the film that contains fluid, and fluid has the viscosity along with described changes of magnetic field.
According to a second aspect of the invention, provide a kind of elevator system, comprising: at least one guide rail; Can be along the elevator car of guide rail movement; Supported so that and the roller that moves together of described elevator car, described roller rolls along the surface of described guide rail, and has the hardness along with changes of magnetic field; And the magnetic field generator that produces described magnetic field selectively, wherein, described roller comprises the film that contains fluid, fluid has the viscosity along with described changes of magnetic field.
According to a third aspect of the invention we, a kind of method of controlling elevator car vibrations is provided, elevator car has relevant a plurality of rollers, and roller is applicable to that along the rail guidance elevator car, this method comprises the steps: a) to determine with respect to required state the state of elevator car; And b) according to described definite state, change the hardness of at least one roller selectively, wherein, be included as roller the fluid that has along with the viscosity of changes of magnetic field is provided, and wherein step (b) includes the selectively change magnetic field relevant with specific roller.
Therefore, the present invention changes the running quality that roller hardness is improved elevator car by regulating according to current elevator operation.
Description of drawings
From detailed description of the currently preferred embodiments, various features and advantages of this invention will become apparent for those of ordinary skills.Drawings that accompany the detailed description can be briefly described as follows:
Fig. 1 comprises the scheme drawing of the elevator car of example roller directing assembly designed according to this invention;
Fig. 2 is the scheme drawing of the embodiment of magnetic field generator;
Fig. 3 is the scheme drawing of another embodiment of magnetic field generator;
Fig. 4 is the scheme drawing of the roller guide assemblies of contact guide rail; And
Fig. 5 and 6 represents roller guide designed according to this invention.
The specific embodiment
With reference to figure 1, the roller guide assemblies 14 that is used for elevator system 10 comprises roller 16, and roller has along with exposing the hardness that magnetic field 20 changes.Roller guide assemblies 14 is supported so that move together with car 12.The surperficial rolling touch of roller 16 and guide rail 28.
The hardness of each roller 16 changes along with the variation in magnetic field 20, so that for example offset vibration.Vibration can cause by the inconsistency in the guide rail 28, and perhaps the speed of transporting by elevator car and the combination of load cause.In addition, promote undesirable vibration that motor and other elevator system components can cause elevator car 12.The variation of the hardness of each roller 16 adapts with the vibration that changes size and improves running quality.
Controller 24 setting programs are so that change roller hardness selectively with respect to serviceability.Detecting device 26 is supported so that detect the vibration of elevator car 12 and with respect to the orientation of required orientation.Detecting device 26 preferably accelerometer so that detect vibration in the structure of elevator car 12.Although the example shown in accelerometer is used for can use any detecting device well known in the art so that the information of the current state of the vibration of the relevant for example elevator car 12 of acquisition or orientation.Come the information of self-test device 26 to offer controller 24, controller 24 is correspondingly controlled roller hardness so that regulate running quality.In an illustrated embodiment, controller 24 is supported, so that move together with elevator car 12, still, controller 24 can be arranged on other position.
Provide this explanation, those of ordinary skills can programme to the controller of buying on the market, perhaps develop special-purpose hardware, software so that realize required roller hardness control, thereby satisfy its specific needs.
Each roller 16 is arranged near magnetic field generator 18.Magnetic field generator 18 produces magnetic field 20.Preferably, each roller in a plurality of rollers 16 is arranged near the corresponding magnetic field generator 18 that separates.For each roller 16, the magnetic field generator 18 that separates provides the independent control of roller hardness for each roller 16.
With reference to figure 2, in one embodiment, each magnetic field generator 18 comprises the electromagnet 21 that is configured to produce with known manner the magnetic field that applied 20 with variable intensity.Electromagnet comprises and the proportional coil that encourages of the desirable strength in magnetic field 20.Electromagnet 21 changes field intensity pro rata according to the signal that comes self-controller 24, so that change the hardness of corresponding roller 16.
With reference to figure 3, in another embodiment, magnetic field generator 18 comprises permanent magnet 19.Change the intensity that is applied to the magnetic field 20 on the roller 16 selectively with respect to roller 16 (as shown in arrow 38) sports ground producer 18.Although electromagnet and permanent magnet are expressed as exemplary field generator, the present invention also considers and adopts any device that is configured to produce near roller 16 variable magnetic field.
With reference to figure 4, in an example, each roller guide assemblies 14 comprises along three rollers 16 of three surface guiding of guide rail 28.Each roller 16 is supported, so that rotate around axis 34.Roller guide assemblies 14 guides elevator car 12 in lift trunk, so that keep the suitable orientation of elevator car 12, and provide stable, quiet operation.Be applied to load on each roller 16 of any single roller assembly 14 along with the load of elevator 12 and speed and change.Adopt the present invention, roller hardness can be optimized, so that change the cushion characteristic of each roller 16, thereby adapts to and eliminates undesirable vibration, improves running quality.
With reference to figure 5 and 6, each roller 16 comprises the film 30 that contains fluid 22, and fluid has the viscosity (Fig. 2 and 3) that changes along with applying magnetic field 20 Strength Changes.Fluid 22 comprises known magnetic flow fluid in one embodiment, and this fluid comprises the particles in suspension that responds for magnetic field 20.Particles in suspension in this fluid forms the column construction that is parallel to the magnetic field that applied 20 with known manner.The aligning of column construction has limited the motion of fluid 22, so that increase fluid viscosity.Fluid 22 viscosity change the cushion characteristic that changes roller 16.
The present invention also consider employing along with the fluid of any kind of the changes of magnetic field that is applied so that change viscosity performance.From then on the those of ordinary skills that benefit in the specification sheets can select magnetic flow fluid and prescription according to the application-specific parameter.
Film 30 is around the periphery supporting of solid disc 31, and the chamber 36 of qualification general toroidal.Film 30 comprises the surface of the roller 16 that contacts with guide rail 28 guiding.Fluid 22 in the film 30 is along with the Strength Changes in the magnetic field 20 that is applied changes viscosity performance.The viscosity of fluid 22 changes the hardness respective change that causes roller 16, so that the vibration of compensation and buffering elevator car 12.
With reference to figure 1, in the operating period of elevator system 10, sensor 26 will represent that the information communication of the vibration of elevator car 12 and orientation gives controller 24.The controller 24 relevant vibration of autobiography sensor 26 in the future and the information and the required state of orientation compare.Detecting device 26 detects the current state of elevator car 12 of inconsistency, vibration, speed and many other operating parameters and the mechanism of the required load of elevator systems 10 operations, guide rail.
Controller 24 with the state that detected and required state relatively and is correspondingly controlled each magnetic field generator 18, so that produce corresponding magnetic field 20, thus the viscosity performance of control fluid 22 and obtain the required hardness of each roller 16.For each specific roller 16, the intensity in magnetic field 20 changes according to the difference between required state and the detected state.The hardness that changes makes cushion characteristic the best of each roller 16, thus buffering and separate the vibration of elevator car 12.In addition, controller 24 is the hardness of each roller 16 of control separately, makes the combined action of cushion characteristic cause best and pulsation-free operation more.
The operation of elevator system 10 of the present invention reduces the effect that elevator car vibrated between 12 moving periods, so that improve running quality and reliability.In addition, cushion characteristic best, that change roller 16 of the present invention selectively is applicable to guide rail 28 more widely.
It is exemplary more than describing, and is not only various material specification.The present invention describes in an exemplary fashion, and should be understood that the character of employed term employing description vocabulary and do not have limitation.Under above instruction, the present invention can carry out many modification and remodeling.But, disclosed the preferred embodiments of the present invention, those skilled in the art will appreciate that some modification within the scope of the invention.Will appreciate that within the scope of the appended claims the mode beyond can describing with specification sheets is implemented the present invention.For this reason, following claim be should study, thereby true scope of the present invention and content determined.

Claims (3)

1. roller guide assemblies (14) that is used for elevator system (10) comprising:
Roller (16) with the hardness that changes along with magnetic field (20),
Wherein, roller (16) comprises the film (30) that contains fluid (22), and fluid has the viscosity that changes along with described magnetic field (20).
2. assembly as claimed in claim 1 is characterized in that, described fluid (22) comprises the magnetic flow fluid.
3. assembly as claimed in claim 1 is characterized in that, film (30) limits around the chamber (36) of the general toroidal of dish (31) supporting.
CN03826326A 2003-04-15 2003-04-15 Elevator with selectable variable hardness roller Expired - Fee Related CN100591603C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2003/011596 WO2004099054A1 (en) 2003-04-15 2003-04-15 Elevator with rollers having selectively variable hardness

Publications (2)

Publication Number Publication Date
CN1764587A CN1764587A (en) 2006-04-26
CN100591603C true CN100591603C (en) 2010-02-24

Family

ID=33434319

Family Applications (1)

Application Number Title Priority Date Filing Date
CN03826326A Expired - Fee Related CN100591603C (en) 2003-04-15 2003-04-15 Elevator with selectable variable hardness roller

Country Status (6)

Country Link
JP (1) JP4280717B2 (en)
CN (1) CN100591603C (en)
AU (1) AU2003234104A1 (en)
DE (1) DE10394225B4 (en)
HK (1) HK1090908A1 (en)
WO (1) WO2004099054A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104192672A (en) * 2014-08-25 2014-12-10 苏州汉森华纳节能科技有限公司 Energy-saving guide shoe

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG126045A1 (en) * 2005-03-24 2006-10-30 Inventio Ag Elevator with vertical vibration compensation
CN101448727B (en) * 2006-05-22 2014-11-26 奥蒂斯电梯公司 Guide wheel with rigidity changing with speed
US8761947B2 (en) * 2010-06-30 2014-06-24 Mitsubishi Electric Research Laboratories, Inc. System and method for reducing lateral vibration in elevator systems
US9630805B2 (en) * 2011-05-27 2017-04-25 Otis Elevator Company Non-linear stiffness roller assembly

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2728513B2 (en) * 1989-08-30 1998-03-18 株式会社日立製作所 Elevator equipment
US5289902A (en) * 1991-10-29 1994-03-01 Kabushiki Kaisha Toshiba Elevator
JPH0859134A (en) * 1994-08-03 1996-03-05 Otis Elevator Co Roller guide for elevator
JPH08245119A (en) * 1995-03-08 1996-09-24 Toshiba Corp Guide device of elevator
DE19613544C2 (en) * 1996-04-04 2001-05-10 Continental Ag Process for manufacturing a tire component, process for handling tire components, process for increasing steering precision, suppression of bending shafts and reduction of standing waves
FI103962B (en) * 1996-11-07 1999-10-29 Kone Corp catching device
US6345698B1 (en) * 2000-02-22 2002-02-12 Otis Elevator Company Simplified roller guide

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104192672A (en) * 2014-08-25 2014-12-10 苏州汉森华纳节能科技有限公司 Energy-saving guide shoe

Also Published As

Publication number Publication date
CN1764587A (en) 2006-04-26
DE10394225B4 (en) 2013-01-31
JP2006513961A (en) 2006-04-27
HK1090908A1 (en) 2007-01-05
WO2004099054A1 (en) 2004-11-18
JP4280717B2 (en) 2009-06-17
AU2003234104A1 (en) 2004-11-26
DE10394225T5 (en) 2006-03-02

Similar Documents

Publication Publication Date Title
US9193565B2 (en) Roller guide with speed dependent stiffness
CN100540439C (en) Elevator and method thereof to vertical vibration compensation
JP2616527B2 (en) Elevator device and control method thereof
JP3703883B2 (en) Elevator system
EP2370339B1 (en) Elevator car positioning using a vibration damper
US7543686B2 (en) Elevator with rollers having selectively variable hardness
EP2964557B1 (en) Active damping of vertical oscillation of a hovering elevator car
CN108622746A (en) Dynamic compesated control for elevator device
CN100591603C (en) Elevator with selectable variable hardness roller
JP2002173284A (en) Roller guide control device of elevator
EP1678068A1 (en) Elevator roller guide with variable stiffness damper
US20070000732A1 (en) Elevator roller guide with variable stiffness damper
JPH1111834A (en) Dual magnet controller
CN100371231C (en) Two-layered elevator
JPH0867465A (en) Inclination adjustment device of elevator cage
US5367132A (en) Centering control for elevator horizontal suspension
US20130154208A1 (en) Suspension system and method of varying a stiffness of a suspension of a vehicle
US20200407191A1 (en) Building drift determination based on elevator roping position
JP4873163B2 (en) Vibration control device
CN102963783A (en) Magnetic guide control apparatus
JPH08208151A (en) Guide roller supporting means of elevator
JPH07196273A (en) Attitude control device for elevator
JPH072456A (en) Running guide device for elevator
JP4936004B2 (en) Vibration control device
KR102530061B1 (en) Vibration canceling system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
REG Reference to a national code

Ref country code: HK

Ref legal event code: DE

Ref document number: 1090908

Country of ref document: HK

C14 Grant of patent or utility model
GR01 Patent grant
REG Reference to a national code

Ref country code: HK

Ref legal event code: GR

Ref document number: 1090908

Country of ref document: HK

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100224

Termination date: 20190415

CF01 Termination of patent right due to non-payment of annual fee