EP3433198A1 - Aufzuganlage mit von einem elektrisch leitfähigen gehäuse teilweise umgebenem tragmittel, insbesondere an einer umlenkrollenanordnung - Google Patents
Aufzuganlage mit von einem elektrisch leitfähigen gehäuse teilweise umgebenem tragmittel, insbesondere an einer umlenkrollenanordnungInfo
- Publication number
- EP3433198A1 EP3433198A1 EP17711243.0A EP17711243A EP3433198A1 EP 3433198 A1 EP3433198 A1 EP 3433198A1 EP 17711243 A EP17711243 A EP 17711243A EP 3433198 A1 EP3433198 A1 EP 3433198A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- support means
- electrically conductive
- deflection roller
- elevator installation
- 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.)
- Granted
Links
- 238000009434 installation Methods 0.000 title claims abstract description 34
- 238000012544 monitoring process Methods 0.000 claims abstract description 17
- 239000000725 suspension Substances 0.000 claims description 79
- 238000001514 detection method Methods 0.000 claims description 8
- 239000002184 metal Substances 0.000 description 25
- 239000004020 conductor Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/12—Checking, lubricating, or cleaning means for ropes, cables or guides
- B66B7/1207—Checking means
- B66B7/1215—Checking means specially adapted for ropes or cables
- B66B7/1223—Checking means specially adapted for ropes or cables by analysing electric variables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B15/00—Main component parts of mining-hoist winding devices
- B66B15/02—Rope or cable carriers
Definitions
- Elevator installation with support means partially surrounded by an electrically conductive housing, in particular on a deflection roller arrangement
- the present invention relates to an elevator installation and a deflection roller arrangement for such an elevator installation.
- an elevator car In elevator systems, an elevator car is typically used to carry persons or objects within a building or structure largely vertically.
- the elevator car is held and moved by means of a suspension.
- the support means usually has one or more ropes or belts.
- the suspension element In order to be able to relocate the elevator car, the suspension element is usually moved by means of a drive machine.
- the cables or belts of the suspension element are in this case usually moved by a driven by the drive machine traction sheave.
- a counterweight is also fastened to the suspension element, which moves in a direction opposite to the elevator car when the suspension element is displaced by means of the drive machine.
- the elevator car and the counterweight form displaceable in this case
- Elevator components of the elevator car which are each held by the suspension means.
- the ropes or straps of the suspension element are typically attached at their ends to the building, for example on an elevator shaft ceiling, and hold them
- Elevator cabin via one or more attached to this elevator car
- the ropes or straps may also be attached at one end to the elevator car and held by means of Umlenkrollenan extract on the ceiling of the elevator shaft.
- Belt guide are possible, usually always at least one
- Deflection pulley assembly is provided to divert a direction of movement of the cables or belts, usually at least about 90 °, often even by about 180 °.
- Modern suspension elements usually consist of a large number of metal wires or strands (hereinafter referred to merely as "metal wires"), by means of which the load of the elevator car can be held, whereby the metal wires are usually surrounded by a plastic casing in order to protect them against corrosion, for example.
- metal wires metal wires or strands
- plastic-coated support means can hardly detect from the outside, whether it absorbed metal wires are intact.
- a method for monitoring a condition of a suspension element in an elevator system in which electrical currents are conducted through the electrically conductive metal wires or strands. Based on a behavior of these electrical currents can be deduced a state of the support means, since, for example, damaged metal wires obstruct a flow of current or even prevent.
- Such or similarly acting methods and devices designed for this purpose are described inter alia in EP 1 730 066 B1, US Pat. No. 7,123,030 B2, US 2011/0284331 A1, US 2013/0207668 A1 and others.
- an elevator installation which has a suspension element, a displaceable elevator component held by the suspension element, such as an elevator car or a counterweight, and a housing at least partially surrounding the suspension element.
- the housing is arranged and configured such that the suspension element can be moved relative to the housing.
- a directed to the support means surface of the housing should in this case be electrically conductive and be electrically grounded.
- a pulley arrangement for an elevator installation is described which has a deflection roller and a housing.
- the deflection roller should be rotatably mounted relative to the housing.
- the housing surrounds the deflection roller at least partially and adjacent, but preferably at least slightly spaced, to a surface of the deflection roller.
- a directed to the pulley surface of the housing is electrically conductive and connected to an electrical connection for connection to an electrical ground.
- Such a deflection roller arrangement can be designed to form a specific embodiment of a designed according to the first aspect of the invention
- Elevator system to be used.
- Plastic sheathing, local abrasions of the plastic sheath or a local puncture of the plastic sheath from the inside by means of broken metal wire ends be.
- the support means should be able to move relative to the housing.
- the housing may be hollow and open at opposite ends so that the support means can be moved through the open ends and through the hollow housing.
- the housing may also surround the support means only partially, that is For example, have a U-shaped cross-section, through the interior of the support means can be moved through.
- a directed towards the support means surface of the housing should be designed to be electrically conductive and connected to an electrical ground. Should the locally surrounded by the housing support means, for example, on his
- Damaged plastic sheathing it may lead to a contact between the plastic sheath no longer protected metal wires of the support means on the one hand and the electrically conductive surface of the housing on the other hand.
- a contact can be done both mechanically and electrically.
- this surface of the housing is electrically grounded, it can thus come to an electrical grounding of her standing in contact with the wire of the suspension element.
- Such an electrical ground fault or short to ground can easily and reliably from a
- Safety monitoring unit can be detected, which monitors the electrical properties of the suspension element due to passing through the metal wires electrical current, since the electrical properties of the suspension means change significantly due to such a ground fault.
- the elevator installation additionally has a deflection roller.
- the suspension element holds the displaceable elevator component, that is to say in particular the elevator car, by at least partially wrapping around this deflection roller.
- the housing surrounds the deflection roller at least partially in a region in which the suspension element wraps around the deflection roller, wherein the housing surrounds the deflection roller at least slightly spaced from the suspension element.
- a deflecting roller arrangement with at least one deflection roller can be provided, which with the help of the deflection roller at least partially surrounding housing can serve not only to deflect a direction of movement of the suspension element, but also any damage in the suspension element, in particular in a shell of the Tragstoffs to be able to detect.
- the deflection roller can be fastened, for example, to the displaceable elevator component and moved together with it within the elevator shaft.
- the deflection roller can also be fixedly mounted in the elevator shaft.
- the deflection roller serves to deflect the suspension element, which at least partially wraps around the deflection roller on its lateral surface, that is its
- the housing at least partially surrounds the deflection roller in an area in which the suspension element wraps around the deflection roller, on the one hand it can be achieved that the housing can be easily fastened, for example, to a bearing of the deflection roller so that the housing is held adjacent to the deflection roller is, however, in contrast to the mounted pulley itself can not rotate but can be mounted location and orientation fixed, for example on an elevator car.
- the housing can thus be assembled, for example, together with this guide roller as a uniform deflection roller assembly.
- the housing and in particular its electrically conductive surface, extend close to a region in which the suspension element wraps around the deflection roller and thus is itself curved.
- the housing is preferably designed such that it surrounds the deflection roller spaced apart from the support means in order to avoid friction with the support means and a concomitant wear as possible.
- the electrically conductive surface of the housing should be as close as possible to the support means in order to increase chances of being able to detect damage to the suspension element.
- a minimum distance between the surface of the suspension element closest to the housing and the electrically conductive surface of the housing opposite this surface should be smaller than a thickness of the suspension element, preferably less than 50% or even less than 20% of the thickness of the suspension element.
- a distance may preferably be less than 3 cm, preferably less than 1 cm or even less than 5 mm, in particular in a range of 1 mm to 3 mm.
- the surface of the housing facing the suspension element is a rear side surface of the housing
- Supporting means arranged opposite.
- the rear side surface of the support means is arranged opposite to a front side surface of the support means, with which the support means bears against a deflection roller and / or a traction sheave.
- a suspension element used in an elevator system usually has a front side surface, sometimes referred to as a contact surface, with which it is moved along, for example, on a lateral surface of a deflection roller or a traction sheave.
- the front surface of the support means is structured, that is, it has, for example, longitudinally extending grooves, which may have in cross-section, for example, a V-shape, a U-shape or a rectangular shape.
- a support means designed as a belt for example, has a rear side surface which
- the back surface of the support means is usually not structured but just. Frequently, a sheath of metal wires within the suspension means is thicker on the front surface than on the rear surface.
- a risk of, for example, exposing these metal wires to damage such a sheath on the back surface may be greater than at the front surface.
- broken metal wires inside the casing may be pressed outwardly, ie, towards the back surface, resisting bending.
- damage to the sheath it may then happen that these metal wires are pressed out of the back surface and project beyond the back surface of the support means, so that they can then come into mechanical contact with the adjacently disposed there electrically conductive surface of the housing.
- the probability of being able to detect damage to the suspension element as a result of a then adjusting electrical ground fault therefore increases in the event that the housing is suitably arranged close to the suspension element wrapping around the deflection roller and in particular close to its rear side surface.
- the housing has a housing body made of plastic and an electrically conductive layer arranged on the surface facing the support means.
- the housing can of course also consist of an electrically conductive material such as a metal and thus be electrically conductive in its entire structure.
- an electrically conductive material such as a metal
- a largely made of plastic housing can be easier and / or cheaper to manufacture.
- the housing usually does not need to withstand high mechanical loads, so that a design of the housing with a housing body made of plastic generally satisfies the mechanical requirements of the housing.
- the housing body may be provided on this surface with an electrically conductive layer.
- the electrically conductive layer may be, for example, a metal layer.
- Such an electrically conductive layer may, for example, be vapor-deposited, printed or otherwise applied to the desired surface.
- the electrically conductive layer may be formed by means of an electrically conductive film.
- the electrically conductive foil can For example, be a metal foil or be a metal-coated film, which can be suitably adhered to the surface of the housing or the housing body directed to the support means, adhered to or otherwise attached thereto.
- the film may preferably be self-adhesive.
- Such an electrically conductive film can be both easy to produce and simply attach to the housing or the housing body.
- the housing may have a housing body made of plastic and an electrically conductive track arranged on the surface facing the suspension element.
- a large-area electrically conductive layer does not necessarily have to be provided on the housing, but it may be sufficient to provide only a relatively narrow electrically conductive elongated conductor track on the surface of the housing facing the suspension element.
- a conductor can be formed, for example, similar to a circuit board locally on a surface of the body, for example by printing and curing an electrically conductive paste or in a similar manner.
- the electrically conductive surface of the housing is grounded by means of a cable attached to the housing.
- the cable is in electrical contact with, for example, the electrically conductive layer or the electrically conductive conductor track on the surface of the housing directed towards the suspension element.
- the cable can be connected to an electric
- the suspension element has a plurality of sheathed electrically conductive metal wires and the elevator system has a
- Metal wires of the support means applies and is designed to detect an electrical ground fault of these metal wires. In other words, using the
- Safety monitoring unit can be detected, for example, when an electrical current caused by the applied electrical voltage changes through the wires of the suspension element due to an electrical ground fault. From such a change in the applied voltage or a current induced thereby by the suspension means can then be inferred to local damage to the suspension element, in particular damage to the sheath of the support means, which lead to electrical contact between the metal wires and the electrically conductive surface of the housing surrounding the suspension means.
- the housing is preferably fastened to the displaceable elevator component, that is to say in particular to the elevator car or the counterweight.
- the housing may be part of a deflection roller assembly, which is fastened to the elevator car and via which the elevator car is held by the suspension element.
- deflecting roller arrangements already conventionally often have precautions to prevent, for example, a suspension element that is not temporarily under tension from jumping off in the axial direction from the deflection roller.
- Such holding devices are designed to avoid that the support means from the lateral surface of the guide roller, in particular in the case of a slack rope situation, in the example profiled as a rule Suspension strap is no longer guided by its profile on the pulley, can move away.
- such a holding device can be further developed suitable for the housing defined herein by taking precautions on a surface of the housing directed towards the suspension element in order to make this surface electrically conductive and then electrically ground this electrically conductive surface.
- the surface of the housing directed towards the deflection roller is arranged opposite the outer surface of the deflection roller. Since in practical use of the Umlenkrollenanssen within an elevator system, the suspension element of the elevator system abuts against this lateral surface of the guide roller and this at least partially wraps, thus the opposite of this lateral surface of the guide roller arranged surface of the housing is also opposite to the support means, in particular to the
- the housing can have a housing body made of plastic and an electrically conductive layer arranged on the surface facing the deflecting roller.
- the electrically conductive layer may be formed by means of an electrically conductive film.
- the housing can have a housing body made of plastic and an electrically conductive track arranged on the surface facing the deflection roller.
- the deflection roller assembly may additionally comprise a cable which is connected to the electrical connection of the housing and which serves for electrical connection to a ground potential.
- the deflection roller assembly may further comprise a rupture detection device with at least one electrically conductive track running along the housing.
- a breakage detection device can serve to detect a breakage of the housing, as may occur, for example, due to a mechanical overload. For this purpose, for example, it can be monitored whether the conductor track running on the housing has been damaged or even interrupted as a result of the breakage.
- Fig. 1 shows components of an elevator system according to the invention.
- Fig. 2 shows a perspective view of an inventive
- FIG. 3 shows a perspective view of a housing for a deflection roller arrangement according to the invention.
- FIG. 4 shows a first plan view of the housing of FIG. 3.
- FIG. 5 shows a second alternative plan view of the housing from FIG. 3.
- FIG. 1 illustrates components of an elevator installation 1 according to the invention.
- an elevator cage 3 and a counterweight 5 are provided as displaceable elevator components 4.
- the elevator car 3 and the counterweight 5 are held by means of a suspension 7.
- the support means 7 may for example comprise a plurality of ropes or straps.
- the support means 7 is attached at its ends to a ceiling 8 of the hoistway 2 and wraps around each deflection rollers 13, 15 which are fixed to the counterweight 5 and to the elevator car 3.
- the support means 7 both the elevator car 3 as also keep the counterweight 5 against the gravitational force acting on it.
- the support means 7 can be moved by means of a prime mover 9 by the support means 7 is wound around a traction sheave 11 of this prime mover 9 and the traction sheave 11 is driven to rotate.
- a housing 17 is arranged in each case (in Fig. 1 only shown very schematically).
- the housing 17 surrounds both the respective deflection roller 13, 15 and the support means 7 deflected via the deflection roller 13, 15 at least partially.
- the housing 17 is configured and arranged such that the support means 7 can continue to move along the respective deflection roller 13, 15, wherein the respective deflection roller 13, 15 is rotatably mounted relative to the housing 17.
- the housing 17 is fixedly attached to the counterweight 5 or to the elevator car 3.
- the housing 17 is provided, inter alia, to prevent the support means 7 from slipping off a lateral surface of the respective deflection roller 13, 15 or jumping off the latter, in particular when a train on the suspension element 7, for example during an emergency braking thereof, temporarily decreases in areas and thus comes to a so-called slack rope.
- the elevator installation 1 furthermore has a safety monitoring unit 19.
- This safety monitoring unit 19 is designed, inter alia, to monitor a condition of the suspension element 7 and in particular to recognize it if damage occurs to the suspension element 7.
- the safety monitoring unit 19 is designed to apply an electrical voltage to electrically conductive wires present in the suspension element 7 and to characterize properties of a subsequent electrical current through these wires. On the basis of the characterized properties of the electrical current, the safety monitoring unit 19 can then draw conclusions about a current state of the suspension element and in particular of its wires embedded therein.
- the housing 17 are electrically conductive on their directed towards the support means surface 47 and cable 21 (in Fig. 1 only once and shown very schematically) with a ground potential 23 connected and thus grounded. If, for example, an embedded wire in the support means 7 passes through a local damage of a sheath of the support means 7 to the outside and comes into contact with the electrically conductive surface 47 of the housing 17, it turns
- Ground fault which can be detected by the security monitoring unit 19 connected to the wires.
- housings 17 can also be made in a different way to that shown in FIG. In particular, it may be advantageous to arrange the housing 17 as part of a deflection roller assembly 25 directly around the deflection rollers 13, 15 around. However, it is also possible to provide corresponding housing 17 elsewhere in the elevator installation 1 in a manner at least partially surrounding the suspension element 7.
- a housing 17 could be provided at or near the traction sheave 11 of the prime mover 9.
- a housing 17 could also be provided in a region where it surrounds only the support means 7 locally, but not a deflection roller 13, 15 or a traction sheave 11.
- FIG. 2 a plurality of housings 17 are provided for a plurality of deflection roller arrangements 25 are. In an elevator installation 1, however, it may already be sufficient to provide only such a housing 17.
- FIG. 2 illustrates a deflecting roller arrangement 25 designed according to the invention in an enlarged perspective view.
- the guide roller 15 is provided as a cylindrical roller, the lateral surface 35 is profiled with extending grooves 37 in the circumferential direction.
- the deflection roller 15 has in its center a recess 33 in which it (not shown) via a bearing can be rotatably held.
- the support means 7 is shown in the example shown as a belt 27.
- a plurality of wires 29 and wire mesh are provided, which cause the actual load-bearing property of the support means 7.
- the wires 29 are in one
- a front surface 39 of the belt 27 forms a contact surface with the lateral surface 35 of the guide roller 15 and is accordingly profiled in a complementary manner to this.
- One of these front surface 39 opposite back surface 41 of the belt is made substantially flat.
- the housing 17 forms a deflection roller 15 at least partially surrounding part of the Umlenkrollenan ever 25.
- the housing 17 is substantially
- the housing 17 is dimensioned and arranged such that at least parts of the deflection roller 15 find space in its inner region.
- the housing 17 is formed such that the support means 7 unhindered to the guide roller 15 can be out and then away from this again.
- the housing 17 At its to the support means 7 and to the lateral surface 35 of the guide roller 15 directed towards the inner surface 47, the housing 17 has at least one region which is formed electrically conductive. With this area, a cable 21 is electrically connected, so that this area can be grounded via the cable 21.
- the housing 17 consists essentially of a teilzylinderformigen, a
- the lateral surface of the housing 17 forming part 43 and the end surfaces forming parts 45 may together form a housing body 46, which may be made of plastic, for example.
- the end faces forming parts 45 may each be arranged in the axial direction adjacent to end faces of the guide roller 15.
- the intervening lateral surface forming part 43 of the housing 17 may be disposed adjacent to the lateral surface 35 of the guide roller 15.
- this layer 51 covers the majority of the interior of the housing 17 directed Surface 47.
- the electrically conductive layer 51 may be, for example, a metal layer or metallized plastic layer adhered to the inwardly directed surface 47 of the part 43.
- the electrically conductive layer 51 is constructed such that it also makes electrical contact with this object in the case of mechanical contact with an electrically conductive object which touches it from the inside of the housing 17.
- the layer 51 should be electrically conductive on its inwardly facing surface and not e.g. be covered with an electrically non-conductive layer.
- the electrically conductive layer 51 can also be applied directly to the inwardly directed surface 47 of the housing 17, that is, for example vapor-deposited or printed.
- a small-area and preferably elongated, electrically conductive strip may be provided on the inwardly directed surface 47 of the housing 17.
- the electrically conductive layer 51 is connected via a connection 53 to the cable 21 and can thus be grounded via this.
- the housing 17 furthermore has a breakage detection device 55.
- This breakage detection device 55 serves to be able to detect a possible breakage of the housing 17, for example by providing one or more distributed conductor tracks (17) on the housing 17. not shown in the figures) are provided, the mechanical breakage can be detected due to an associated electrical interruption.
- Fracture detection device 55 has for this purpose an electrical circuit, in which the conductor track (s) via electrical connections 57 is also connected to existing in the cable 21 conductors. However, these conductors are held separately from a grounding conductor 59 connecting to the ground electrical potential 23, that is, the grounding conductor 59 and the grounding detection means 55 Although connected conductors are accommodated in a common cable 21, but are not electrically connected to each other.
- An elevator installation 1 is described in which damage to a suspension element 7, in particular damage to a jacket of the suspension element 7, can advantageously be detected.
- a housing 17, at least partially surrounding the support means 7, is provided on a deflection roller arrangement 25.
- a directed to the support means 7 surface 47 of the housing 17 is electrically conductive and is electrically grounded. If the suspension element 7 or a wire emerging from a damaged suspension element comes into contact with the housing 17, an electrical ground fault results. This ground fault can be monitored by monitoring a wire by means of a safety monitoring unit 19
- Supporting fluid flow can be detected and thus be deduced the damage of the suspension element 7.
Landscapes
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL17711243T PL3433198T3 (pl) | 2016-03-23 | 2017-03-22 | Instalacja dźwigowa z otoczonym częściowo elektroprzewodzącą obudową środkiem nośnym, zwłaszcza na układzie rolek zwrotnych |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16161847 | 2016-03-23 | ||
PCT/EP2017/056842 WO2017162749A1 (de) | 2016-03-23 | 2017-03-22 | Aufzuganlage mit von einem elektrisch leitfähigen gehäuse teilweise umgebenem tragmittel, insbesondere an einer umlenkrollenanordnung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3433198A1 true EP3433198A1 (de) | 2019-01-30 |
EP3433198B1 EP3433198B1 (de) | 2019-12-04 |
Family
ID=55588159
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17711243.0A Active EP3433198B1 (de) | 2016-03-23 | 2017-03-22 | Aufzuganlage mit von einem elektrisch leitfähigen gehäuse teilweise umgebenem tragmittel, insbesondere an einer umlenkrollenanordnung |
Country Status (6)
Country | Link |
---|---|
US (1) | US11130656B2 (de) |
EP (1) | EP3433198B1 (de) |
CN (1) | CN109071173B (de) |
ES (1) | ES2773993T3 (de) |
PL (1) | PL3433198T3 (de) |
WO (1) | WO2017162749A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10941020B2 (en) | 2018-01-30 | 2021-03-09 | Otis Elevator Company | Deflector sheave bracket for offset bedplate |
DE102019201783A1 (de) * | 2019-02-12 | 2020-08-13 | Thyssenkrupp Ag | Aufzuganlage mit Kabinenerdung |
CN111940103A (zh) * | 2020-08-03 | 2020-11-17 | 陈以贺 | 一种建筑用水泥板的水泥粉碎装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6633159B1 (en) | 1999-03-29 | 2003-10-14 | Otis Elevator Company | Method and apparatus for magnetic detection of degradation of jacketed elevator rope |
FI109897B (fi) | 2001-03-19 | 2002-10-31 | Kone Corp | Hissi ja hissin vetopyörä |
KR100406871B1 (en) | 2003-01-11 | 2003-12-03 | Jeong Du Choi | Device for equalizing rope tension of elevator |
JP4820815B2 (ja) | 2004-03-16 | 2011-11-24 | オーチス エレベータ カンパニー | エレベータ荷重支持部材の状態を監視する電気信号適用方法 |
ES2354157T3 (es) | 2004-03-16 | 2011-03-10 | Otis Elevator Company | Detección de desgaste y fallo de un miembro de soporte de carga de ascensor. |
WO2010057797A1 (de) * | 2008-11-19 | 2010-05-27 | Inventio Ag | Tragriemen |
KR101298603B1 (ko) * | 2009-02-12 | 2013-08-26 | 오티스 엘리베이터 컴파니 | 엘리베이터 인장 부재 모니터링 장치 |
EP2516313B1 (de) | 2009-12-21 | 2015-04-08 | Inventio AG | Überwachung eines trag- und treibmittels einer aufzugsanlage |
JPWO2011158871A1 (ja) | 2010-06-16 | 2013-08-19 | Natac株式会社 | エレベータ用ワイヤロープの損傷監視方法及びエレベータ用ワイヤロープの損傷監視装置 |
US9599582B2 (en) | 2010-09-01 | 2017-03-21 | Otis Elevator Company | Simplified resistance based belt inspection |
ES2576355T3 (es) * | 2012-06-29 | 2016-07-07 | Inventio Ag | Instalación de ascensor |
WO2014191374A1 (de) * | 2013-05-28 | 2014-12-04 | Inventio Ag | Aufzugsanlage |
DE202015104475U1 (de) | 2015-08-24 | 2015-09-28 | Srh Aufzüge Gmbh | Spanneinrichtung für Geschwindigkeitsbegrenzer für Aufzug mit vertikaler Führung |
-
2017
- 2017-03-22 US US16/086,625 patent/US11130656B2/en active Active
- 2017-03-22 WO PCT/EP2017/056842 patent/WO2017162749A1/de active Application Filing
- 2017-03-22 PL PL17711243T patent/PL3433198T3/pl unknown
- 2017-03-22 CN CN201780019730.8A patent/CN109071173B/zh active Active
- 2017-03-22 EP EP17711243.0A patent/EP3433198B1/de active Active
- 2017-03-22 ES ES17711243T patent/ES2773993T3/es active Active
Also Published As
Publication number | Publication date |
---|---|
WO2017162749A1 (de) | 2017-09-28 |
EP3433198B1 (de) | 2019-12-04 |
US20200307958A1 (en) | 2020-10-01 |
ES2773993T3 (es) | 2020-07-16 |
CN109071173A (zh) | 2018-12-21 |
US11130656B2 (en) | 2021-09-28 |
PL3433198T3 (pl) | 2020-06-01 |
CN109071173B (zh) | 2020-10-02 |
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