EP3233707A1 - Unité d'amortissement pour ascenseur - Google Patents

Unité d'amortissement pour ascenseur

Info

Publication number
EP3233707A1
EP3233707A1 EP15808436.8A EP15808436A EP3233707A1 EP 3233707 A1 EP3233707 A1 EP 3233707A1 EP 15808436 A EP15808436 A EP 15808436A EP 3233707 A1 EP3233707 A1 EP 3233707A1
Authority
EP
European Patent Office
Prior art keywords
damper unit
guide rail
elevator
active position
contact side
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.)
Withdrawn
Application number
EP15808436.8A
Other languages
German (de)
English (en)
Inventor
Stephan Hess
Hubert Steiner
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.)
Inventio AG
Original Assignee
Inventio AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Inventio AG filed Critical Inventio AG
Publication of EP3233707A1 publication Critical patent/EP3233707A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
    • B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
    • B66B5/20—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces by means of rotatable eccentrically-mounted members
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B17/00—Hoistway equipment
    • B66B17/34—Safe lift clips; Keps
    • 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
    • B66B7/048—Riding means, e.g. Shoes, Rollers, between car and guiding means, e.g. rails, ropes including passive attenuation system for shocks, vibrations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/005—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
    • F16F13/007—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2228/00—Functional characteristics, e.g. variability, frequency-dependence
    • F16F2228/08—Functional characteristics, e.g. variability, frequency-dependence pre-stressed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2232/00—Nature of movement
    • F16F2232/08—Linear

Definitions

  • the invention relates to a damper unit for a lift according to the preamble of claim 1.
  • a genus moderately comparable damper unit has become known for example from EP 1 424 302 AI.
  • This shows an elevator car with a damper unit having a brake element, wherein the brake element is pressed against a lateral guide surface of the guide rail during the cab style posture.
  • To activate the damper unit it is mechanically coupled to a door opening unit of the elevator car.
  • the braking element causes in the active position a sliding rubbing contact with the guide rail.
  • the vertical vibrations are difficult and can be reduced with comparatively great effort.
  • WO 2010/0650 1 AI shows a further damper unit, wherein the damper unit has a force acting on the guide rail friction member for the damping.
  • Vibrations, in particular vertical vibrations, the elevator car in standstill phases can be easily and efficiently reduced.
  • the damper unit has an engaging means, which is spaced in a rest position of the guide rail and so cabin rides are possible trouble-free.
  • the attacking means can cooperate with the guide rail in an active position for reducing the vibrations, in particular vertical vibrations, of the stationary car.
  • the engaging means is a founded that is slippery connectable in the active position with the guide rail and that the damper unit to the attacking member subsequent force transmission means for receiving and damping the movements of the elevator car in the Aktivsteilling the attacking member, cabin movements and thus vibrations, in particular Vertical vibrations are effectively damped during standstill.
  • the slip-free connection also leads to easier predictability and design of the power transmission means. Then the guide rail is treated gently, which has a positive effect on ride comfort.
  • Adhesive means are understood to mean friction-effective means which, at least for normal operating states in a holding cabin, ensure that the engagement member does not slip along the guide rail or that at least virtually no sliding friction occurs between the engagement member and the guide rail.
  • the attack member could for example have a flat contact side, which rests flat on a corresponding guide surface of the guide rail or can be placed.
  • the attack member remains immovably connected to the rail in the vertical direction while the elevator car is moving up and down in a cabin stoppage.
  • the attacking member does not necessarily have to have a flat contact side.
  • Other shapes for the attack member with respect to the contact side are conceivable.
  • a rollable attack member can be detected by the invention, wherein the rollable attack member in the active position of the engagement member during a cabin stoppage on the guide rail rolling a rolling EP2015 / 079652
  • the engagement member may preferably have a contact side which is formed by a material having a static friction coefficient greater than 1 and preferably greater than 1.2. With such a material, the required slip-free connection between the engagement member and the guide rail during a standstill of the car to reduce the vertical vibration can be easily achieved.
  • the engaging member may comprise at least in the region of the contact side of an elastic material which is deformable when pressed against the guide rail in the active position of the engaging member.
  • the engaging member may comprise, for example, a metallic body (e.g., made of steel) of a grand body to which a contact member made of the elastic material is attached. Due to the deformation, a particularly secure slip-free connection between the guide rail and the engaging member in the active position can be achieved.
  • the contact side of the engagement member may consist of a rubber-based rubber coating, in particular of ethylene-propylene-diene rubber (EPDM) or of nitrile rubber (NBR).
  • EPDM ethylene-propylene-diene rubber
  • NBR nitrile rubber
  • Such a rubber coating could, for example, be sprayed and vulcanized onto a metallic main body of the attacking member.
  • a prefabricated contact element of EPDM or NBR could also be glued or otherwise attached to the body.
  • the engagement means may be an attacking on an end face guide surface of the guide rail or connectable via this guide surface to the guide rail, stamp-like attack member with at least one convex in the rest position of the attack member contact page.
  • a contact side of the engagement member may be cylindrical at least in the rest position of the engagement member and form a circular arc in a side view. With such a shaped attack member, the engagement member in the active position at least partially perform a rolling motion on the guide rail.
  • the power transmission means can be in a built-in state in horizontal
  • Direction extending plunger include, at the free end of the attack member is arranged. About such a plunger, the attack member can be easily brought from the rest position to the active position.
  • the spring element may be a mechanical spring, for example a helical compression spring. Thanks to the spring element, it can be ensured that the attack member remains connected to the guide rail or contacts the guide rail at all times during vertical movements of the cabin during a cabin standstill.
  • the power transmission means may comprise at least one shock absorber pivotally connected to the housing.
  • the shock absorber can be aligned in the rest position transversely and preferably at right angles to the plunger.
  • shock absorber would be approximately vertically aligned when installed.
  • shock absorber type and its specification, one, two or even more shock absorbers per damper unit can be provided.
  • the shock absorber can be a pneumatic or hydraulic shock absorber, a
  • Shock absorber with elastomer compression, a friction damper or a spring shock absorber Shock absorber with elastomer compression, a friction damper or a spring shock absorber.
  • the damper unit may comprise an updor.
  • the Aktualor can be based on a drive motor and include, for example, a stepper motor, a hydraulic or pneumatic element or a linear drive include.
  • the damper unit may include as an actuator driven by an electric motor, for example, an eccentric drive for moving the engagement member from the rest position to the active position.
  • the power transmission means is provided with the eccentric drive connected lever assembly, with which the engaging member for moving the
  • Engagement member or when moving from the rest position to the active position preferably linearly against the guide rail is movable.
  • the lever arrangement may be designed with two arms and two lever elements which are pivotally and slidably coupled to each other via a hinge and a freewheel.
  • Another aspect of the invention relates to an elevator with at least one previously described damper unit. It can be advantageous if the elevator has two damper units per elevator car, with one damper unit each being assigned to each guide rail for guiding the elevator cab. To guide the elevator car, sliding guide shoes or roller guide shoes may be provided on the elevator car.
  • Figure 1 is a partial view of an elevator in a side view with
  • FIG. 2 shows the damper unit from FIG. 1 in an active position
  • Figure 4 is a perspective view of the damper unit in the active position.
  • FIG. 1 shows a generally designated 1 elevator with a car 2, which is guided on vertical guide rails 1 1.
  • the cabin is only simplified and shown in fragmentary form.
  • the vertically movable up and down, with a dashed line 2 indicated cabin is used to transport people or goods.
  • As a support means for moving the car 2 are exemplified as a belt or ropes configured (not shown) support means.
  • the elevator generally has two guide rails 2, which extend in the vertical direction.
  • guide shoes 4 are arranged on the cabin.
  • guide shoes 4 Gleit Entry Spanish or Roilenations Kir come into question.
  • a damper unit 5 is arranged, with which undesired vertical vibrations of the cabin 2 during a standstill are reduced.
  • the cabin configuration and space requirements the
  • Damper unit 5 are also placed on the cabin in other ways.
  • the vertical vibrations occur when people enter or leave the car 2.
  • the change in load causes the car 2 to vibrate. This phenomenon is especially pronounced in sling-based elevators and elevators with high shaft heights.
  • the damper unit 5 has an engagement member 6, which can interact with the guide rail 3 to reduce the vertical vibrations during a cabin standstill.
  • the engaging member 6 is in a rest position in which the engaging member is spaced from the guide rail 3.
  • the engagement member 6 can be moved towards the guide rail 3.
  • the engagement member 6 then acts on the guide rail 3.
  • the closing direction for creating the active position is indicated in Figure 1 with an arrow f.
  • the Aktivsteliung after completion of the mentioned closing process is shown in Figure 2.
  • the attack member 6 has a guide rail 3 facing contact side 12, which unencumbered or in the rest position of the engaging member s6 - as can be seen in Figure 1 - in the side view forms a circular arc.
  • the contact side 12 is advantageously cylindrical in shape (see the following Figure 4). Also conceivable would be an attack member with a spherical cap-shaped contact page.
  • the engagement member 6 is fixed to a plunger 7, which is movable in the horizontal direction and by means of an actuator back and forth.
  • the damper unit 5 can be controlled via a control device (not shown). This control device transmits, for example, as soon as the car stops or when the car door opens, a control command for activating the damper unit 5. The activation is usually maintained until the doors are closed again and thus no significant load changes are possible.
  • the plunger 7 is mounted axially and by means of a spring element 13 for generating a biasing force resiliently in a housing 8. Incidentally, this spring element could otherwise also be arranged, for example, within the housing 8.
  • a lever assembly 10 which is connected to an indicated with 14 eccentric drive.
  • the eccentric drive 14 and the lever assembly 10 By means of the eccentric drive 14 and the lever assembly 10, the plunger 7 and thus also the thoughtsgiied 6 linearly against the guide slide 1 1 move.
  • a control body 19 can be seen, which is located in an upper eccentric position. In a cabin stop the eccentric drive is activated and the control body 1 is brought into a lower eccentric position.
  • the corresponding rotational movement of the eccentric drive 14 is indicated by a curved arrow.
  • the eccentric drive 14 is connected via a symbolically indicated holder 20 with the car 2.
  • a symbolically indicated connection 22 is provided which carries the damper unit 5.
  • the housing 8 of the damper unit 5 is pivotally mounted on the connection 22 via a hinge 23.
  • the lever assembly 10 is designed with two arms and consists of two lever elements 15 and 16, which are pivotally and slidably coupled to each other via a hinge 18 and an arrow 17.
  • a freewheel 17 causes the lever member 16 is moved in a first phase after activation of the eccentric 14 against the lever member 15 and only in a second phase, the lever member 15 and thus adjoining plunger with the engaging member 6 against the guide rail in the f-direction becomes.
  • the Freiiauf 17 has the purpose of protecting an example used as a drive (not shown) simple electric motor from overloading.
  • other actuators for example linear drives, for moving the engagement member 6 against the guide rail instead of motor-driven eccentric drives 14.
  • Figures 2 and 3a and 3b show the damper unit 5 with the engaging member 6 in the active position.
  • the engagement member 6 acts on a
  • the contact side 13 of the engagement member 6 is formed by a rubber-based rubber base, which preferably has a static friction coefficient greater than 1.2.
  • the rubber coating can be configured as a rubber-based layer, which is attached to a stamp-like basic body, for example, of a metallic material (eg steel). Thanks to the special shape and design of the contact side 12 of the engaging member 6, the engaging member 6 is slippery connected to the guide rail 3 in the active position.
  • attack member 6 Since the attack member is elastic due to the choice of material, the attack member 6 is pressed together when creating the active position against the guide rail 3 at least in the region of the contact side 12 and deformed. A slight flattening of the contact side 12 can be seen in Figure 2 on closer inspection. Due to this local deformation of the engaging member 6, slip between the engaging member 6 and the guide rail 3 can practically be excluded during vertical movements of the elevator car 2.
  • any movements upwards (FIG. 3 a) and downwards (FIG. 3 b) are damped with the aid of a shock absorber 9.
  • the shock absorber 9 is connected via a joint 24 with the car 2.
  • the shock absorber 9 also has a hinge 21, wherein the joint 21 forms a pivotable connection to the housing 8.
  • the adjoining the attack member 6 machine components ram 7, housing 8, shock absorber 9 and connected to the eccentric lever assembly 10 thus form a power transmission means for receiving and damping the movements of the elevator car 2 in the active position of the engaging member 6 during a standstill for the reduction of vertical vibrations.
  • the shock absorber 9 is in the rest position (Fig. 1) and in the neutral active position according to Figure 2 at right angles to the plunger 7 and thus aligned in the vertical direction.
  • FIG. 4 Constructive details of a possible embodiment of a damper unit 5 can be taken from FIG.
  • Figure 4 it can be seen that the stamp-like designed attacking member 6, the end face 1 1 acts in the active position pressingly.
  • the contact side 12 of the engaging member 6 is evidently cylindrical in relation to the side view.
  • the damper unit 5 has a shock absorber pair with two shock absorbers 9, which results in a compact and stable damper unit.
  • the Housing 8, in which the plunger 7 is slidably mounted, is exemplified open.
  • the guide rail 3 is designed as a T-profile. Of course, however, other guide rails, for example, in cross-section prismatic profile forms in connection with the inventive damper unit 5 would be suitable. Instead of the guide rails 3, it would also be conceivable to use other system parts of the elevator with the
  • Attacking attack member 6 For example, the attack member 6 against the

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Abstract

L'invention concerne une unité d'amortissement (5) destinée à un ascenseur pour réduire les vibrations verticales d'une cabine d'ascenseur de l'ascenseur pendant un arrêt. L'unité d'amortissement comprend un élément d'engagement (6), en forme de poinçon, s'engageant avec une surface de guidage frontale (11) du rail de guidage (3). En position de repos, l'élément d'engagement (6) est espacé du rail de guidage (3) et peut être relié, dans position active, au rail de guidage (3) par un entraînement excentrique (14). L'élément d'engagement (6) est raccordé à des moyens de transmission de force qui comportent un amortisseur de secousses (9) destiné à amortir les mouvements de la cabine d'ascenseur (2) pendant un arrêt de la cabine.
EP15808436.8A 2014-12-17 2015-12-14 Unité d'amortissement pour ascenseur Withdrawn EP3233707A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14198489 2014-12-17
PCT/EP2015/079652 WO2016096764A1 (fr) 2014-12-17 2015-12-14 Unité d'amortissement pour ascenseur

Publications (1)

Publication Number Publication Date
EP3233707A1 true EP3233707A1 (fr) 2017-10-25

Family

ID=52144430

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15808436.8A Withdrawn EP3233707A1 (fr) 2014-12-17 2015-12-14 Unité d'amortissement pour ascenseur

Country Status (4)

Country Link
US (1) US10427911B2 (fr)
EP (1) EP3233707A1 (fr)
CN (1) CN107000994B (fr)
WO (1) WO2016096764A1 (fr)

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CN108285081B (zh) 2017-01-10 2021-08-03 奥的斯电梯公司 升降机轿厢的稳定装置及其控制方法、升降机系统
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US11834300B2 (en) 2021-08-10 2023-12-05 Tk Elevator Innovation And Operations Gmbh Stabilizing assemblies and methods of use thereof

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Also Published As

Publication number Publication date
US20180086599A1 (en) 2018-03-29
CN107000994B (zh) 2020-10-09
CN107000994A (zh) 2017-08-01
WO2016096764A1 (fr) 2016-06-23
US10427911B2 (en) 2019-10-01

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