CN101563285A - Sway mitigation in an elevator system - Google Patents
Sway mitigation in an elevator system Download PDFInfo
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- CN101563285A CN101563285A CNA2006800566639A CN200680056663A CN101563285A CN 101563285 A CN101563285 A CN 101563285A CN A2006800566639 A CNA2006800566639 A CN A2006800566639A CN 200680056663 A CN200680056663 A CN 200680056663A CN 101563285 A CN101563285 A CN 101563285A
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Abstract
An elevator system (20) includes an elongated member (30, 32, 34) that may sway under certain conditions. At least one mitigation member (80) is strategically positioned in a mitigation position corresponding to a location of an anti-node (48, 54, 56, 66, 68, 70) of the elongated member (30, 32, 34) for a given sway condition. In a disclosed example, a controller (38) deploys a mitigation member (80) at a mitigation position for a given sway condition determined by the controller (38). In one example, a plurality of sway mitigation members (80) are strategically positioned at various mitigation positions within a hoistway (26). In another example, a sway mitigation member (80) is selectively moveable within a hoistway (26) between a plurality of mitigation positions.
Description
[technical field]
[0001] the present invention relates generally to elevator device.More specifically, the present invention relates to one or more vertical members in the elevator device rock minimize.
[background technology]
[0002] many elevator devices comprise elevator cage and counterweight, and wherein elevator cage and counterweight hang (Suspend) in access to elevators by the rope (Roping) that comprises one or more load-carrying elements.Usually, a plurality of ropes, cable or belt conveyor are used to support the weight of elevator cage and counterweight, and are used for the elevator cage is moved to the desired locations of access to elevators.Usually load-carrying element is arranged according to the rope of expection and moved along particular course about several rope sheaves.Configuration remains on load-carrying element in the orientation of expection based on rope in expectation.
[0003] in many elevator devices, there is other vertically extending element.Tie down compensation relies on chain or the rope below elevator cage and the counterweight usually.Elevator device also comprises removal cable usually, and removal cable provides power and signal communication between parts relevant with the elevator cage and the fixed position with respect to access to elevators.
[0004] have some situations, wherein one or more vertically extending members (for example, load-carrying element, tie down compensation or removal cable) may begin to rock in access to elevators.Highly the amount of rocking in the building that the amount of rocking in the building of Zeng Jiaing is lower usually is big, and when building sway frequency (Frequency of Building Sway) when being the integral multiple of the natural frequency of vertically extending element in the access to elevators, this is the most outstanding in the building that highly increases.There is the known shortcoming relevant with rocking situation.
[0005] the various suggestions of rocking of the vertically extending element of access to elevators have been proposed to be used for alleviating or minimizing.For example, an exemplary solution comprises the use swing arm as being used to suppress the mechanical equipment that load-carrying element rocks.U.S. Patent No. 5,947,232 show this equipment.U.S. Patent No. 5,103,937 show such another equipment.
[0006] another solution connects driven compartment and elevator cage.Driven compartment be suspended on effectively the elevator cage below, and the mid point between elevator cage and access to elevators bottom is to be used to alleviate the purpose of rocking.The significant disadvantage relevant with this solution is that it has introduced elevator device with optional feature and expense.Except driven compartment and the parts relevant with it, the size of elevator pit must be bigger than needed size under other situations.The property space that its occupying volume is outer or introduced extra-pay or complexity in design with when building elevator hoistway (elevator shaft).In addition, driven compartment only is considered and is used for alleviating rocking of compensates rope, and the potential complexity that they will add is incorporated in the elevator device.
[0007] another solution comprises the position control and the speed control of elevator cage, and wherein the elevator cage moves to alleviate with this speed in access to elevators and rocks.The position of how discerning in the access to elevators corresponding to the concrete elevator cage of concrete building sway frequency is known, and described building sway frequency will excite vertically extending element more effectively.When the condition that causes rocking occurred, solution comprised to minimize and allows the elevator cage to remain on the time quantum of this so-called key position.
[0008] useful although former solution has been proved to be, those skilled in the art still improves making great efforts.The present invention comprises the pioneering technology of the sway mitigation that enhancing can be provided.
[summary of the invention]
[0009], then controls the illustrative methods of rocking of extended element in the access to elevators and comprise at least one position of determining in the access to elevators corresponding to the antinode (Anti-Node) of extended element if when at least one condition that causes rocking exists.When at least one condition that causes rocking exists, the sway mitigation member is positioned at corresponding to antinodal alleviates the position, the described position that alleviates is arranged in the optional scope of determining the position.
[0010] embodiment comprises the permanent sway mitigation member is positioned at and alleviates the position.When if the condition that causes rocking exists, another embodiment comprises the another location of sway mitigation member from access to elevators moved to and alleviates the position.
[0011] in one embodiment, the sway mitigation member support is moved along the static surface of access to elevators being used for.In another embodiment, on elevator cage or counterweight, described counterweight moves in access to elevators, so that locate the sway mitigation member rightly with the sway mitigation member support.
[0012] exemplary elevator device comprises the extended element that at least one is arranged in access to elevators.When if at least one condition that causes extended element to rock exists, extended element has at least one and is arranged in the access to elevators antinode of allocation really.At least when the condition that causes rocking exists, at least one sway mitigation member is positioned at alleviates the position, this alleviates the position in the selected scope corresponding to the antinodal position.
[0013] in one embodiment, rock member and remain on fixed position in the passage at first.In another embodiment, the sway mitigation member is movable to the position that alleviates corresponding to the expectation of present position alternatively in access to elevators.
[0014] the sway mitigation member is positioned at corresponding to the appropriate location in the access to elevators of the anti-node location of extended element in the access to elevators, this will conveniently strengthen sway mitigation strategicly.In one embodiment, are in the same place with the strategic positioning combination of speed control technology and sway mitigation member in the position control of elevator cage, speed control or its position.
[0015] by following detailed, various features of the present invention and benefit will become apparent for those skilled in the art.Below in conjunction with describing in detail accompanying drawing is carried out concise and to the point description.
[description of drawings]
[0016] Fig. 1 schematically shows the selected portions of elevator device, and described elevator device can be incorporated exemplary embodiment of the present invention into.
[0017] Fig. 2 schematically shows the behavior of rocking of the extended element in the access to elevators.
[0018] Fig. 3 schematically shows an exemplary solution according to exemplary embodiment of the subject disclosure design-calculated sway mitigation.
[0019] Fig. 4 schematically shows another exemplary solution.
[0020] Fig. 5 schematically shows another exemplary solution.
[specific embodiment]
[0021] exemplary embodiment of the present invention provides the sway mitigation in the access to elevators, to control the amount of rocking of one or more extended elements, described extended element for example is: load-carrying element (for example elevator rope or belt conveyor), tie down compensation or removal cable.The sway mitigation member is positioned at the appropriate location corresponding to the extended element antinodal access to elevators that is used for given potential sway condition, this provides the sway mitigation that strengthens than original solution strategicly.
[0022] Fig. 1 schematically shows the selected portions of elevator device 20.Elevator cage 22 and counterweight 24 can move in access to elevators 26 in known manner.Elevator cage 22 and counterweight 24 are supported by the bearing assembly that comprises rope or belt conveyor, and it supports the weight of elevator cage 22 and counterweight 24, and moving of they is provided in known manner.Fig. 1 shows exemplary bearing assembly 30.In the illustrated embodiment, tie down compensation 32 links together with elevator cage 22 and counterweight 24, so that the constraint compensation is provided in known manner.Removal cable 34 is used at the parts relevant with elevator cage 22 and is usually located at respect to access to elevators 26 between at least one other equipment of fixed position electric power and signal communication are provided.
[0023] each load-carrying element 30, tie down compensation 32 and removal cable 34 are the extension vertical member in the access to elevators 26.If when the relevant condition that causes rocking exists, extend vertical member 30,32, any one of 34 or a plurality of may the beginning are rocked in access to elevators 26.When particularly the frequency of rocking when building was the integral multiple of extended element natural frequency, known building was rocked and is caused extending in the access to elevators rocking of vertical member.
[0024] embodiment of Fig. 1 comprises sensor 36, and sensor 36 moves in known manner so that any indication that exists building to rock to be provided.In one embodiment, sensor 36 is oscillating type (Pendulum-Type) sensors.Another embodiment comprises anemograph.Whether controller 38 is communicated by letter with sensor 36 and is determined to cause the condition of rocking of at least one the extension vertical member in the access to elevators 26 to exist.Coming this condition is responded by the operation of controlling at least one sway mitigation member, this will be described below with controller 38 programming.In one embodiment, controller 38 also is responsible for controlling position, the speed of elevator cage 22 or controlling the position and the speed of elevator cage 22 simultaneously in the mode of attempting to minimize the amount of rocking.In one embodiment, controller 38 uses known position of cages and speed control technology to be used for this purpose.In one embodiment, controller 38 also uses the information about the load on the elevator cage 22.
[0025] Fig. 2 comprises chart 40, and chart 40 schematically shows the behavior of rocking of extended element exemplary in the access to elevators.For purpose is discussed, load-carrying element 30 will be used as exemplary extended element at the remainder of this specification sheets.Fig. 2 is included in the model (Phantom) the static expectation set with the load-carrying element shown in the vertical dotted line 30.For example, this orientation is corresponding to the expectation set of the load-carrying element of arranging based on selected rope 30.
[0026] in Fig. 2, L represents the length of exemplary load-carrying unit 30, and the x representative is along the distance of vertical axis.Y is the lateral distance along horizontal shaft, and y0 rocks along the maximum of horizontal axis direction.
[0027] can there be a plurality of conditions that will cause load-carrying element 30 in access to elevators 26, to rock.Show a kind of sway condition 42.When building motion or the frequency of rocking during, then can exist as rocking in the 42 N=1 patterns that schematically show corresponding to the natural frequency of load-carrying element 30 (for example, the present position of given elevator cage).In this case, load-carrying element 30 has node 44 and 46, being connected of its corresponding in one embodiment hand load-carrying element and elevator cage, and the contact surface (interface) between load-carrying element and the traction sheave (traction sheave) is near the opposed end of the part of the load-carrying element 30 shown in Fig. 2.Being one and being positioned at position 48 (x between two nodes 44 and 46
*/ L) antinode.This antinode is corresponding to the maximum displacement of load-carrying element 30 desired locations in the model from Fig. 2.Antinode 48 is positioned at corresponding to the load bearing component that rocks pattern 30 that is in N=1 in the horizontal direction or the largest motion amplitude on the lateral.
[0028] the suitable particular case of the example scenario that schematically shows among Fig. 2, and rely on extension component tensioning, unit mass length and member length.For example, corresponding to along the node location of length L apart from x
*Represent a kind of loading condition.Other loading conditions can cause x
*The value of/L is different from those values among the figure.In one embodiment, the information about present load that controller 38 uses on the elevator cage 22 is used for determining given antinodal position purpose of rocking pattern.
[0029] exemplary embodiment comprises the sway mitigation member to be positioned at strategicly and alleviates the position, and this alleviates in the selected scope that the position is in the anti-node location of extending vertical member (for example load-carrying element 30).In certain embodiments, the sway mitigation member will be positioned in and alleviate the position, corresponding to alleviating the anti-node location that is used for specified criteria that the position is positioned as close to expection.In another embodiment, can use the position that alleviates of tolerance interval, the described position that alleviates comprises the antinodal position.Under the situation of rocking pattern of N=1, for example may there be the scope that to consider in the position of sway mitigation member expectation.Suppose that the sway mitigation member fully is close to the antinodal location positioning by strategic ground, then can obtain the benefit of embodiment solution.
[0030] as can being understood by shown content, the position of antinode 48 is the mid point of the length of load-carrying element 30 shown in figure 2 not.This is because the tensioning of load-carrying element 30 is not a constant along length, but reduces with certain amplitude owing to the unit weight of load-carrying element 30 from the top to the bottom.It is the mid point that the sway mitigation member has been positioned at the vertical length of load-carrying element that original solution attempts to alleviate a shortcoming of rocking.Idea in that solution back is that the effective length with load-carrying member reduces half, to change the actv. natural frequency.Under various situations, this position of sway mitigation member can not provide desired effects.
[0031] 50 another sway condition is shown.In this case, load-carrying element 30 has node 44,46 and 52.Take place simultaneously corresponding to the node of the position of load-carrying element 30 and orientation in the expectation shown in the model.In the pattern of this N=2, the building frequency of motion is the twice of the natural frequency of load-carrying element 30.In this case, there are antinode 54 and 56.As seen from the content to be understood, node 52 is not in the mid point of load-carrying element 30, and antinode 54 and 56 do not position with respect to node 52 symmetrically, does not have symmetrically to position with respect to the mid point of load-carrying element 30 length yet.Have, such configuration is because the tensioning of load-carrying element 30 and be in the weight of the load-carrying element 30 self under the condition of illustrating again.
[0032] shows the third sway condition 60.In one embodiment, this is the pattern of N=3, is three times of natural frequency of load-carrying element 30 at this building motion frequency.In this case, load-carrying element 30 has node 44,46,62 and 64.Antinode is 66,68 and 70.
[0033] in one embodiment, determine that the antinodal position comprises the solution equation, or equation system, it shows and extends vertical member rocks displacement to building response in the access to elevators.An embodiment uses the behavior of known suspension vertical member, and incorporates the information that how can coincide with this pattern corresponding to elevator system components into.Describe according to this, person of skill in the art will appreciate that the antinodal position that is identified for the given extension vertical member in the concrete elevator device how best, so that any numerical grade pattern is used for upright position, any elevator cage.
[0034] in one embodiment, the sway mitigation member is positioned at alleviates the position, it comprises the sway mitigation member is positioned in the selected scope of anti-node location.In one embodiment, the various scopes of accepting depend on the present position of rocking.With reference to figure 2, for example when the sway mitigation member be positioned in corresponding to the position of antinode 48 alleviate the position time, compared with will to corresponding to antinode 68 positions alleviate the useful scope in position, relative broad range will be useful.As seen from the content to be understood, still can locate from the concrete distance of the tram of antinode 48 and alleviate member in the mode of rocking of effective control load-carrying element 30.Can effectively the sway mitigation member be positioned at position corresponding to node 62 from the same distance of antinode 68, this is used at some that maximum possible rocks will be invalid under the situation of control.Describe according to this, how to person of skill in the art will appreciate that to apply the restriction of expectation, to satisfy the needs of their actual conditionses to alleviating acceptable distance range between position and the opposite location.
[0035] in the embodiment of Fig. 2, can be positioned at the single position that alleviates with alleviating member, this is single to alleviate the position and is used to handle anti-node location corresponding to antinode 56 and 68 effectively.If the distance between antinode 56 and 68 is enough little and alleviate member and have suitable dimension, the then single position that alleviates can be used to handle the antinode 56 that is under a kind of situation effectively or be in antinode 68 under the different sway condition.
[0036] position that alleviates that the sway mitigation member is positioned at corresponding to anti-node location provides the sway mitigation that strengthens than previous solution strategicly.Amount of exercise by will extending vertical member minimizes on the position that the maximum of this motion will take place in addition has benefit.There are a plurality of exemplary solutions, so that locate this sway mitigation member strategicly in the mode consistent with embodiment of the present invention.
[0037] Fig. 3 schematically shows an embodiment solution.In this embodiment, at least one sway mitigation member 80 is supported on fixed position in the access to elevators 26, thereby when using sway mitigation member 80, Here it is in the position that alleviates corresponding to the expectation antinodal position of load-carrying element 30.In one embodiment, will with U.S. Patent No. 5,947, the sway mitigation member support of 232 instruction unanimity in access to elevators 26, thereby can use it for the purpose of sway mitigation.For example, sway mitigation member 80 mechanical equipment that can move for swing arm, bumper or other limit lateral.
[0038] embodiment among Fig. 3 comprises the sway mitigation member on a plurality of all places that are in the access to elevators 26.For example, sway mitigation member 80A can be positioned in the access to elevators 26 on the position corresponding to 70 positions of the antinode shown in Fig. 2.Sway mitigation member 80B can be positioned at the position that alleviates corresponding to antinode 48 positions.Sway mitigation member 80C can be positioned at the position that alleviates corresponding to antinode 56.
[0039] in one embodiment, controller 38 determines to exist the condition of rocking of causing of which kind of type.Which kind of sway mitigation member controller 38 programming using this information and about the information in one or more antinodals desired location of locating load-carrying element 30 in this case, is used so that determine among the embodiment in Fig. 3.In other words, controller 38 uses from the information of sensor 36 with about the predetermined information of the antinode desired location that is used for given sway condition, so that determine to use the purpose of the position of sway mitigation member.In one embodiment, location information is specifically used for each in a plurality of different loads conditions.In certain embodiments, only use a sway mitigation member at any given time.In other embodiments, rely on concrete situation, can be a sway mitigation position or a plurality of sway mitigations position use a plurality of sway mitigation members simultaneously.
[0040] in one embodiment, except using one or more sway mitigations position, controller 38 is controlled position, the speed of elevator cages 22 or is controlled the position and the speed of elevator cage 22 simultaneously, further to minimize potential rocking.In one embodiment, each building sway frequency of determining be in load-carrying element 30 natural frequency about 10% in the time because the particular location of elevator cage 22 in the access to elevators 26, thereby these positions are considered to so-called critical area.In one embodiment, controller 38 minimizes the time quantum that elevator cage 22 remains on critical area, and reduces the speed that elevator cage 22 moves than the speed of normal agreement in access to elevators 26.For example, if cause the condition of rocking to exist, then will not allow elevator cage 22 to keep resting on landing (landing) corresponding to the critical area that is used for a more than rate time.On the contrary, elevator cage 22 moves to the another location.
[0041] in one embodiment, controller 38 comprises for example data bank of look-up table, and it has corresponding to the various conditions that cause rocking, corresponding to the critical area position of elevator cage, corresponding to anti-node location and the information that alleviates the position corresponding to the expectation that alleviates member.Controller 38 uses this information to determine how to realize the speed and the position control of elevator cage best and how to realize at least one sway mitigation member, rocks to minimize or to stop fully.In one embodiment, controller 38 comprises this each the information of load-carrying element 30, tie down compensation 32 and removal cable 34 that is used for.
[0042] Fig. 4 schematically shows another exemplary solution.In such an embodiment, sway mitigation member 80 is supported to be used for along the perpendicular movement of vertical surface (for example access to elevators 26 wall).In this embodiment, by controller 38 control sway mitigation members 80 so that as schematically moving a plurality of the alleviating in the position shown in 82, wherein each alleviate the position can be corresponding to one or more anti-node location in the access to elevators 26.
[0043] Fig. 5 schematically shows another embodiment solution.This embodiment comprises a plurality of elevator cages and the counterweight that is arranged in access to elevators 26.In this embodiment, elevator cage 22B comprises sway mitigation member 80D, and it is useful for minimizing the rocking of load-carrying element 30 of supporting elevator cage 22A.Controller 38 is in such an embodiment controlled the position of elevator cage 22B strategicly, so that sway mitigation member 80D is positioned at the position that alleviates that is used for specified criteria.
[0044] embodiment of Fig. 5 also comprises the sway mitigation member 80E relevant with counterweight 24A.In such an embodiment, sway mitigation member 80E is useful counterweight for minimizing the rocking of load-carrying element 30 of supporting counterweight 24B.
[0045] has two elevator cage 22A, under the situation of 22B, if one among the elevator cage 22A is parked in lower booth platform, thereby its vertically extending element is suspended in critical area, can control another elevator cage 22B, so that on the sway mitigation capacity at 22A antinode place, compartment, play effect.Equally, if among the elevator cage 22B is parked in higher booth platform, thereby its load-carrying element is suspended in critical area, can control another elevator cage 22A, so that play effect on the sway mitigation capacity at 22B antinode place, elevator cage.
[0046] although in Fig. 5, is not illustrated, but additional sway mitigation member can with elevator cage 22A, 22B or counterweight 24A, any one of 24B is relevant, being used to control the purpose that tie down compensation is rocked, tie down compensation is that removal cable in the elevator device of embodiment among Fig. 5 or other extend vertical member.
[0047] foregoing description is illustrative rather than restrictive in essence.The variations and modifications of disclosed embodiment can become apparent for those skilled in the art and need not to break away from essence of the present invention.The given legal protection scope of the present invention can only be determined by the claim of studying below.
Claims (25)
1, a kind ofly control the method that extended element rocks in the access to elevators, it comprises step:
When at least one condition that causes rocking exists, determine in the access to elevators at least one position of antinodal corresponding to extended element; And
At least when described at least one condition exists, the sway mitigation member is positioned at alleviates the position, this alleviates the position and is arranged in the selected scope of determining the position.
2, according to the described method of claim 1, it comprises:
Permanently described sway mitigation member is positioned at the described position that alleviates; And
Be used to control the described sway mitigation member that described extended element rocks alternatively.
3, according to the described method of claim 1, it comprises:
When if described at least one condition exists, then the another location of described sway mitigation member from described access to elevators moved to the described position that alleviates.
4, according to the described method of claim 3, it comprises:
The described sway mitigation member that support is moved along the static surface in the described access to elevators.
5, according to the described method of claim 3, it comprises:
Support is arranged at least one top described sway mitigation member of elevator cage or counterweight; And
If described at least one condition exists, then in described elevator cage or the described counterweight at least one moved to a position, this position is for placing the described position that alleviates of described sway mitigation member.
6, according to the described method of claim 1, it comprises:
When if in the corresponding a plurality of conditions that cause rocking one exists, then determine a plurality of positions, each position is corresponding to the antinode of described extended element in wherein said a plurality of positions; And
If corresponding one in the described condition is then used described sway mitigation member in the selected position that alleviates when existing, described selected position is arranged in one selected scope of described definite position.
7, according to the described method of claim 6, it comprises:
Determine to exist which kind of described condition; And
Described sway mitigation member is moved to the corresponding position that alleviates;
8, according to the described method of claim 6, it comprises:
With the sway mitigation member be positioned at corresponding in described definite a plurality of positions each alleviate the position; And
When if in described a plurality of condition one exists, then select the described sway mitigation member that is used for using corresponding one.
9, according to the described method of claim 1, it comprises:
Determine the function of at least one position as the position of cages in access to elevators; And
When if described at least one condition exists, then control the position or the speed of the elevator cage of at least one expectation, to be used to minimize the possible amount of rocking.
10, according to the described method of claim 1, wherein said extended element comprises at least one in elevator load bearing member, elevator compensating member or the removal cable.
11, according to the described method of claim 1, it comprises:
Determine in the described access to elevators at least one critical area corresponding to described at least a condition; And
If described at least one condition exists, then the elevator cage is shifted out from least one critical area.
12, according to the described method of claim 1, it comprises:
When described at least one condition exists, then reduce the kinematic velocity of elevator cage in the access to elevators.
13, according to the described method of claim 1, wherein said extended element is relevant with first elevator cage, and described method comprises:
When described at least one condition that causes rocking exists, second elevator cage is moved to the antinode of described extended element.
14, a kind of elevator device, it comprises:
At least one is arranged in the extended element of access to elevators, if when at least one condition that causes described extended element to rock exists, then described extended element has the antinode that is positioned at the desired location; And
The sway mitigation member, when a condition that causes rocking existed, described sway mitigation member was arranged in the position that alleviates of described access to elevators at least, and the described position that alleviates is arranged in selected scope corresponding to described antinodal desired location.
15, system according to claim 14, wherein said sway mitigation member permanently is located adjacent to the described position of rocking.
16, system according to claim 14, if when wherein described condition exists, the then described sway mitigation member another location from described access to elevators alternatively moves to the described position that alleviates.
17, system according to claim 16, wherein said sway mitigation member can move along the static surface in the described access to elevators.
18, system according to claim 16, it comprises:
The a plurality of elevator cage of described access to elevators and relevant counterweights of being arranged in; And
Wherein said sway mitigation member is supported so that along with one in described at least elevator cage or counterweight motion together, thereby corresponding elevator cage or counterweight are moved into a position, and this position is the described position that alleviates of placing described sway mitigation member.
19, system according to claim 14, it comprises a plurality of sway mitigation members, each sway mitigation member is positioned at the position that alleviates corresponding to the antinodal diverse location.
20, system according to claim 19, it comprises:
Controller is configured to: (a) determine present condition and an antinodal relevant position; And (b) use and to be positioned at a selected described sway mitigation member that alleviates the position accordingly.
21, system according to claim 14, it comprises:
Controller is configured to: (a) determine corresponding to the function of described at least one position of described antinodal as position of cages in the described access to elevators; And (b) at least one in control expectation position of cages or the speed, so that make the amount that may rock minimize.
22, system according to claim 21, if when wherein described at least one condition exists, then described controller is configured to the key position of described elevator cage from described access to elevators is shifted out.
23, system according to claim 21, if when wherein described at least a condition exists, then described controller is configured to the kinematic velocity that reduces described elevator cage.
24, system according to claim 14, wherein said extended element comprises at least one in elevator load bearing member, elevator compensating member or the removal cable.
25, system according to claim 14, it comprises sensor, it is configured to indication is provided when the described at least a condition of box lunch exists.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US2006065352 | 2006-12-20 |
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| CN101563285A true CN101563285A (en) | 2009-10-21 |
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| CNA2006800566639A Pending CN101563285A (en) | 2006-12-20 | 2006-12-20 | Sway mitigation in an elevator system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104058314A (en) * | 2014-06-20 | 2014-09-24 | 山东电力建设第一工程公司 | Construction hoist cable device |
| CN105658562A (en) * | 2013-09-30 | 2016-06-08 | 蒂森克虏伯电梯股份公司 | Elevator installation |
| CN107001000A (en) * | 2015-01-15 | 2017-08-01 | Abb瑞士股份有限公司 | Control method, lifting drum control system and the mine drum hoist system of the lateral resonance in suspension cable |
| CN113620141A (en) * | 2020-05-09 | 2021-11-09 | 奥的斯电梯公司 | Elevator rope sway damper assembly |
| US20220267118A1 (en) * | 2019-02-07 | 2022-08-25 | Otis Elevator Company | Elevator system control based on building sway |
-
2006
- 2006-12-20 CN CNA2006800566639A patent/CN101563285A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105658562A (en) * | 2013-09-30 | 2016-06-08 | 蒂森克虏伯电梯股份公司 | Elevator installation |
| US9834410B2 (en) | 2013-09-30 | 2017-12-05 | Thyssenkrupp Elevator Ag | Elevator installation |
| CN104058314A (en) * | 2014-06-20 | 2014-09-24 | 山东电力建设第一工程公司 | Construction hoist cable device |
| CN107001000A (en) * | 2015-01-15 | 2017-08-01 | Abb瑞士股份有限公司 | Control method, lifting drum control system and the mine drum hoist system of the lateral resonance in suspension cable |
| CN107001000B (en) * | 2015-01-15 | 2019-05-31 | Abb瑞士股份有限公司 | Control method, lifting drum control system and the mine drum hoist system of the lateral resonance in suspension cable |
| US20220267118A1 (en) * | 2019-02-07 | 2022-08-25 | Otis Elevator Company | Elevator system control based on building sway |
| US11905142B2 (en) * | 2019-02-07 | 2024-02-20 | Otis Elevator Company | Elevator system control based on building sway |
| CN113620141A (en) * | 2020-05-09 | 2021-11-09 | 奥的斯电梯公司 | Elevator rope sway damper assembly |
| CN113620141B (en) * | 2020-05-09 | 2023-04-21 | 奥的斯电梯公司 | Elevator rope swing damper assembly |
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