EP1020394B1 - Device and method for simplifying the replacement of bearings on an escalator or moving walkway - Google Patents
Device and method for simplifying the replacement of bearings on an escalator or moving walkway Download PDFInfo
- Publication number
- EP1020394B1 EP1020394B1 EP20000100341 EP00100341A EP1020394B1 EP 1020394 B1 EP1020394 B1 EP 1020394B1 EP 20000100341 EP20000100341 EP 20000100341 EP 00100341 A EP00100341 A EP 00100341A EP 1020394 B1 EP1020394 B1 EP 1020394B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- subassembly
- central axle
- chainwheel
- escalator
- moving walkway
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B23/00—Component parts of escalators or moving walkways
- B66B23/02—Driving gear
- B66B23/026—Driving gear with a drive or carrying sprocket wheel located at end portions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B23/00—Component parts of escalators or moving walkways
- B66B23/02—Driving gear
Definitions
- the invention relates to escalators with revolving stage conveyor line for the transport of persons between different levels and moving walks with revolving plate conveyor line for horizontal passenger transport, consisting essentially of a support structure with side rails (balustrades), a step or plate conveyor line, guides in the support structure for this Feed line, two circumferential handrail bands and a drive station.
- the drive station contains two sprockets for driving the long link chains of the conveyor line, which are driven by a geared motor via roller chain wheels and drive chains flanged onto them. These conveyor chain sprockets are connected by a common hollow shaft.
- sprocket assembly In the center of each conveyor track sprocket roller bearings are pressed, sitting with their inner ring on a non-rotating central axis, the ends of which are fixed in screwed to the support structure axle beams.
- the assembly described here will hereinafter be referred to as a "sprocket assembly”.
- the life-lubricated bearings are characterized by the Operating forces heavily loaded and often moister, more corrosive Exposed environment. You usually have to in the course of Lifetime of passenger conveyor repeatedly replaced become.
- escalators and moving walks requires the replacement of rolling bearings elaborate additional manipulations such as the separation of the conveyor string and the drive chains, the lifting out of the Sprocket assembly from the support structure and the Reassembly of dismantled and separated components.
- An additional problem is that the moving walk during This time is not accessible as a staircase.
- the rolling bearing exchange to the sprocket assembly of escalators and moving walkways be simplified considerably, in particular by the fact that the Feed line no longer separated and the sprocket assembly no longer lifted out of the supporting structure Need to become.
- This is achieved by the supporting structure on both sides of the drive station auxiliary support at which the sprocket assembly on both sides by means of releasable compounds, such as. B. screw with spacers or socket pin connections, rigidly fixed can be.
- This will allow you to work with the Support structure screwed central axle carrier, which is in Normal state access to the rolling bearings in the conveyor chain sprockets cover, remove and the rolling bearings to exchange according to a method according to the invention. This leaves an escalator during the rolling bearing exchange as a staircase accessible.
- the rolling bearing replacement process proceeds as follows: First, the long link chains of the conveyor string are attached to the support structure near the drive station by means of conventional chain locking devices so that the drive station is relieved of the chain hoist. This is followed by the above-described fixation of the sprocket assembly relative to the support structure and the removal of the central axle. In order to disassemble the now visible mounted in the right-side conveyor track sprocket roller bearing, the central axis of the sprocket assembly with the help of a mounted on the left conveyor sprocket spindle extractor is pulled so far axially to the left that the axle end the inner ring of the right side to be removed Rolling bearing leaves.
- Fig. 1 shows schematically the essential elements of a passenger transport device according to the invention, ie concretely an escalator 1, with the support structure 2, the side rails (balustrades) 3, the step conveyor line 4, the circulating handrail 5 and the sprocket assembly 6 of the drive station.
- the invention relates to features in the field of sprocket assembly, which is virtually identical in escalators and horizontal moving walks.
- Fig. 2 can be seen in a side elevation running as a truss supporting structure 2 of the escalator with the attached thereto by means of screw central axis 7, which support the fixed central axis 8 of the sprocket assembly 6.
- auxiliary supports 9, 10 are attached to the support structure, which serve to fix the sprocket assembly described below.
- the chain locking devices which are used to lock the long link chains of the conveyor line in the vicinity of the drive station prior to the start of rolling bearing replacement, are blocked so that the sprocket assembly is unloaded from the chain hoist.
- Fig. 3 shows the left-side part of the (symmetrical) sprocket assembly 6. This consists essentially of two interconnected by a hollow shaft 14 conveyor-sprockets 16, which are supported on the central axis 8 via the pressed-in these sprockets roller bearings 15.
- This central axis lies with its ends in clamping bores of the central axle carrier 7 bolted to the supporting structure. Further recognizable are the roller chain sprockets 17 flanged to the conveyor track sprockets 17 with roller chains 18, via which the sprocket assembly is driven by a geared motor. Shown is a first phase of the bearing replacement, in which the sprocket assembly is already connected by screws 11 and upper and lower spacers 12, 13 rigidly connected to the support structure, the central axle 7 are still mounted. Fig.
- FIG. 4 shows a cross section through the sprocket assembly after removal of the central axle 7 and leaves the Recognize spindle extractor 19, which is screwed to the lateral withdrawal of the central axis 8 with screws 20 on the conveyor track sprocket 16.1.
- Fig. 5 can be seen a next phase of the bearing replacement, in which the central axis 8 is pulled so far to the left by means of the spindle extractor 19, that the inner ring of the pressed in the right side conveyor sprocket 16.2 roller bearing 15.2 is accessible to a Lagerausziehvorraum.
- two groups of star-shaped threaded pins 21 are visible in the shell of the hollow shaft 14, which form an auxiliary centering for the central axis according to claim 4.
- FIG. 6 again shows the cross section through the sprocket assembly shown in the phase of pulling out the old roller bearing 15.2 from its seat in the conveyor sprocket 16.2.
- the hook engage behind the inner ring of the bearing and whose pressure spindle is supported on the end face of the central axis, which in turn is secured by the spindle-extractor 19 against displacement.
- Fig. 7 again in cross section through the sprocket assembly, to recognize how a new roller bearing 15.2 is pressed by means of a spindle-pressing device 23 by pressure on its outer ring in the bore in the conveyor-strand sprocket. The spindle of the device is screwed into an internal thread 24 in the end face of the central axis, which is still secured by the spindle-extractor 19 against displacement.
Landscapes
- Escalators And Moving Walkways (AREA)
Description
Die Erfindung betrifft Fahrtreppen mit umlaufendem Stufenförderstrang
für den Transport von Personen zwischen unterschiedlichen
Niveaus sowie Fahrsteige mit umlaufendem Plattenförderstrang
für die horizontale Personenbeförderung,
bestehend im wesentlichen aus einer Tragkonstruktion mit
seitlichen Geländern (Balustraden), einem Stufen- oder Plattenförderstrang,
Führungen in der Tragkonstruktion für diesen
Förderstrang, je zwei umlaufenden Handlaufbändern und einer
Antriebsstation.
Die Antriebsstation enthält für den Antrieb der Langgliederketten
des Förderstrangs zwei Kettenräder, die über an sie
angeflanschte Rollenkettenräder und Antriebsketten von einem
Getriebemotor angetrieben werden. Diese Förderstrang-Kettenräder
sind durch eine gemeinsame Hohlwelle verbunden. Im
Zentrum jedes Förderstrang-Kettenrades sind Wälzlager eingepresst,
die mit ihrem Innenring auf einer nicht drehenden
Zentralachse sitzen, deren Enden in mit der Tragkonstruktion
verschraubten Achsträgern fixiert sind. Die hier beschriebene
Baugruppe wird im folgenden als "Kettenräder-Baugruppe"
bezeichnet.The invention relates to escalators with revolving stage conveyor line for the transport of persons between different levels and moving walks with revolving plate conveyor line for horizontal passenger transport, consisting essentially of a support structure with side rails (balustrades), a step or plate conveyor line, guides in the support structure for this Feed line, two circumferential handrail bands and a drive station.
The drive station contains two sprockets for driving the long link chains of the conveyor line, which are driven by a geared motor via roller chain wheels and drive chains flanged onto them. These conveyor chain sprockets are connected by a common hollow shaft. In the center of each conveyor track sprocket roller bearings are pressed, sitting with their inner ring on a non-rotating central axis, the ends of which are fixed in screwed to the support structure axle beams. The assembly described here will hereinafter be referred to as a "sprocket assembly".
Die auf Lebensdauer geschmierten Wälzlager sind durch die Betriebskräfte hoch belastet und oft feuchter, korrosiver Umgebung ausgesetzt. Sie müssen normalerweise im Verlauf der Lebensdauer der Personenfördereinrichtung mehrmals ausgetauscht werden. Bei den bekannten Ausführungen solcher Fahrtreppen und Fahrsteige erfordert das Austauschen der Wälzlager aufwendige zusätzliche Manipulationen wie das Auftrennen des Förderstrangs und der Antriebsketten, das Herausheben der Kettenräder-Baugruppe aus der Tragkonstruktion sowie die Wiedermontage der demontierten und aufgetrennten Komponenten. Ein zusätzliches Problem ist, dass der Fahrsteig während dieser Zeit auch nicht als Treppe begehbar ist. The life-lubricated bearings are characterized by the Operating forces heavily loaded and often moister, more corrosive Exposed environment. You usually have to in the course of Lifetime of passenger conveyor repeatedly replaced become. In the known versions of such escalators and moving walks requires the replacement of rolling bearings elaborate additional manipulations such as the separation of the conveyor string and the drive chains, the lifting out of the Sprocket assembly from the support structure and the Reassembly of dismantled and separated components. An additional problem is that the moving walk during This time is not accessible as a staircase.
Mit der vorliegenden Erfindung soll der Wälzlageraustausch an der Kettenräder-Baugruppe von Fahrtreppen und Fahrsteigen wesentlich vereinfacht werden, insbesondere dadurch, dass der Förderstrang nicht mehr aufgetrennt und die Kettenräder-Baugruppe nicht mehr aus der Tragkonstruktion herausgehoben werden müssen. Dies wird dadurch erreicht, dass die Tragkonstruktion auf beiden Seiten der Antriebsstation Hilfssupporte aufweist, an denen die Kettenräder-Baugruppe beidseitig mittels lösbaren Verbindungen, wie z. B. Schraubverbindungen mit Distanzstücken oder Steckbolzenverbindungen, starr fixiert werden kann. Dadurch wird ermöglicht, die mit der Tragkonstruktion verschraubten Zentralachsträger, die im Normalzustand den Zugang zu den Wälzlagern in den Förderstrang-Kettenrädern verdecken, zu entfernen und die Wälzlager nach einem erfindungsgemässen Verfahren auszutauschen. Dabei bleibt eine Fahrtreppe während des Wälzlageraustausches als Treppe begehbar.With the present invention, the rolling bearing exchange to the sprocket assembly of escalators and moving walkways be simplified considerably, in particular by the fact that the Feed line no longer separated and the sprocket assembly no longer lifted out of the supporting structure Need to become. This is achieved by the supporting structure on both sides of the drive station auxiliary support at which the sprocket assembly on both sides by means of releasable compounds, such as. B. screw with spacers or socket pin connections, rigidly fixed can be. This will allow you to work with the Support structure screwed central axle carrier, which is in Normal state access to the rolling bearings in the conveyor chain sprockets cover, remove and the rolling bearings to exchange according to a method according to the invention. This leaves an escalator during the rolling bearing exchange as a staircase accessible.
Der erfindungsgemässe Wälzlager-Austauschvorgang läuft wie
folgt ab:
Zuerst werden die Langgliederketten des Förderstrangs in der
Nähe der Antriebsstation mittels üblicher Kettenblockiervorrichtungen
so an der Tragkonstruktion befestigt, dass die
Antriebsstation vom Kettenzug entlastet ist. Hierauf erfolgt
die oben beschriebene Fixierung der Kettenräder-Baugruppe
gegenüber der Tragkonstruktion und die Entfernung der Zentralachsträger.
Um das nun sichtbare, im rechtsseitigen
Förderstrang-Kettenrad eingebaute Wälzlager demontieren zu
können, wird die Zentralachse der Kettenräder-Baugruppe mit
Hilfe einer am linken Förderstrang-Kettenrad befestigten
Spindel-Ausziehvorrichtung so weit axial nach links gezogen,
dass das Achsende den Innenring des auszubauenden rechtsseitigen
Wälzlagers verlässt. Mit einer handelsüblichen Lagerabziehvorrichtung,
die sich auf der Stirnseite der durch die
Spindel-Ausziehvorrichtung arretierten Zentralachse abstützt,
wird jetzt das Wälzlager an seinem nun zugänglichen Innenring
aus dem äusseren Lagersitz im Kettenrad herausgezogen. In
einem nächsten Schritt wird ein neues Wälzlager mittels einer
Spindel-Einpressvorrichtung in die Bohrung des Kettenrads
eingepresst. Für den Austausch des zweiten, im linksseitigen
Förderstrang-Kettenrad eingebauten Wälzlagers wird anschliessend
die Zentralachse so weit nach rechts gezogen, dass nun
dieser Innenring frei liegt und das Lager wie oben entfernt
und ersetzt werden kann. Abschliessend werden die Zentralachse
in Normalposition geschoben, die Zentralachsträger wieder
montiert und die Fixierung der Kettenräder-Baugruppe an den
Hilfssupporten der Tragkonstruktion sowie die Kettenblockiervorrichtungen
entfernt. Die Anlage ist nun wieder betriebsbereit.The rolling bearing replacement process according to the invention proceeds as follows:
First, the long link chains of the conveyor string are attached to the support structure near the drive station by means of conventional chain locking devices so that the drive station is relieved of the chain hoist. This is followed by the above-described fixation of the sprocket assembly relative to the support structure and the removal of the central axle. In order to disassemble the now visible mounted in the right-side conveyor track sprocket roller bearing, the central axis of the sprocket assembly with the help of a mounted on the left conveyor sprocket spindle extractor is pulled so far axially to the left that the axle end the inner ring of the right side to be removed Rolling bearing leaves. With a commercially available Lagerabziehvorrichtung, which is supported on the front side of the locked by the spindle-extractor central axis, the rolling bearing is now pulled out at its now accessible inner ring from the outer bearing seat in the sprocket. In a next step, a new rolling bearing is pressed by means of a spindle-pressing into the bore of the sprocket. For the replacement of the second, built in the left-side conveyor track sprocket bearing then the central axis is pulled so far to the right that now this inner ring is exposed and the bearing can be removed and replaced as above. Finally, the central axis is pushed into the normal position, the central axle carrier is reinstalled and the fixation of the sprocket assembly on the auxiliary supports of the supporting structure as well as the chain locking devices are removed. The system is now ready for use again.
Im folgenden wird anhand von Fig. 1 bis Fig. 7 eine Ausführung der erfindungsgemässen Einrichtung beschrieben:
- Fig. 1
- zeigt schematisch die Anordnung einer erfindungsgemässen Personentransporteinrichtung (Fahrtreppe)
- Fig. 2
- zeigt einen Seitenriss der Antriebsstation der Personentransporteinrichtung mit der Kettenräder-Baugruppe
- Fig. 3
- zeigt einen Querschnitt durch die linke Seite der Kettenräder-Baugruppe mit ihren Fixierungen an der Tragkonstruktion
- Fig. 4
- zeigt einen Querschnitt durch die Kettenräder-Baugruppe nach Entfernung der Zentralachsträger
- Fig. 5
- zeigt einen Querschnitt durch die Kettenräder-Baugruppe nach der Verschiebung der Zentralachse
- Fig. 6
- zeigt einen Querschnitt durch die KettenräderBaugruppe beim Abziehen eines alten Wälzlagers
- Fig. 7
- zeigt einen Querschnitt durch die KettenräderBaugruppe beim Einpressen eines neuen Wälzlagers
- Fig. 1
- shows schematically the arrangement of an inventive passenger transport device (escalator)
- Fig. 2
- shows a side elevation of the drive station of the passenger transport device with the sprocket assembly
- Fig. 3
- shows a cross section through the left side of the sprocket assembly with their fixations on the support structure
- Fig. 4
- shows a cross section through the sprocket assembly after removal of the central axle
- Fig. 5
- shows a cross section through the sprocket assembly after the displacement of the central axis
- Fig. 6
- shows a cross section through the sprocket assembly when removing an old bearing
- Fig. 7
- shows a cross section through the sprocket assembly when pressing a new bearing
Fig. 1 zeigt schematisch die wesentlichen Elemente einer
erfindungsgemässen Personentransporteinrichtung, das heißt
konkret einer Fahrtreppe 1, mit der Tragkonstruktion 2, den
seitlichen Geländern (Balustraden) 3, dem Stufenförderstrang
4, den umlaufenden Handlaufbändern 5 und der Kettenräder-Baugruppe
6 der Antriebsstation. Die Erfindung bezieht sich
auf Merkmale im Bereich der Kettenräder-Baugruppe, welche bei
Fahrtreppen und horizontalen Fahrsteigen praktisch identisch
ist. In Fig. 2 erkennt man im Seitenriss die als Fachwerk
ausgeführte Tragkonstruktion 2 der Fahrtreppe mit den daran
mittels Schraubverbindungen befestigten Zentralachsträgern 7,
die die feststehende Zentralachse 8 der Kettenräder-Baugruppe
6 stützen. Oberhalb und unterhalb der Zentralachsträger
7 sind Hilfssupporte 9, 10 an der Tragkonstruktion angebracht,
die der nachstehend beschriebenen Fixierung der
Kettenräder-Baugruppe dienen. Links von der Kettenräder-Baugruppe
erkennt man, schematisch dargestellt, die Kettenblockiervorrichtungen,
mit denen vor Beginn des Wälzlageraustausches
die Langgliederkettenstränge des Förderstrangs in
der Nähe der Antriebsstation so blockiert werden, dass die
Kettenräder-Baugruppe vom Kettenzug entlastet ist.
Fig. 3 stellt den linksseitigen Teil der (symmetrischen)
Kettenräder-Baugruppe 6 dar. Diese besteht im wesentlichen
aus zwei durch eine Hohlwelle 14 miteinander verbundenen
Förderstrang-Kettenrädern 16, die sich über die in diese
Kettenräder eingepressten Wälzlager 15 auf der Zentralachse 8
abstützen. Diese Zentralachse liegt mit ihren Enden in Klemmbohrungen
der mit der Tragkonstruktion verschraubten Zentralachsträger
7 . Weiter erkennbar sind an die Förderstrang-Kettenräder
16 angeflanschte Rollenkettenräder 17 mit Rollenketten
18, über die die Kettenräder-Baugruppe von einem
Getriebemotor aus angetrieben ist.
Dargestellt ist eine erste Phase des Lageraustausches, in der
die Kettenräder-Baugruppe bereits mittels Schrauben 11 sowie
oberem und unterem Distanzstück 12, 13 starr mit den Tragkonstruktion
verbunden ist, die Zentralachsträger 7 aber noch
montiert sind.
Fig. 4 zeigt einen Querschnitt durch die Kettenräder-Baugruppe
nach Entfernung der Zentralachsträger 7 und lässt die
Spindel-Ausziehvorrichtung 19 erkennen, die zum seitlichen
Herausziehen der Zentralachse 8 mit Schrauben 20 am Förderstrang-Kettenrad
16.1 angeschraubt wird.
In Fig. 5 erkennt man eine nächste Phase des Lageraustausches,
in der die Zentralachse 8 mittels der Spindel-Ausziehvorrichtung
19 so weit nach links gezogen ist, dass der
Innenring des im rechtsseitigen Förderstrang-Kettenrad 16.2
eingepressten Wälzlagers 15.2 für eine Lagerausziehvorrichtung
zugänglich ist. Im weiteren sind im Mantel der Hohlwelle
14 zwei Gruppen von sternförmig angeordneten Gewindestiften
21 sichtbar, die gemäss Anspruch 4 eine Hilfszentrierung für
die Zentralachse bilden. Diese sind bei der Erstmontage auf
einen geeigneten Abstand zur Zentralachse einzustellen und zu
fixieren.
Fig. 6 zeigt wiederum den Querschnitt durch die Kettenräder-Baugruppe,
dargestellt in der Phase des Herausziehens des
alten Wälzlagers 15.2 aus seinem Sitz im Förderstrang-Kettenrad
16.2. Zu erkennen ist die Lagerabziehvorrichtung
22, deren Haken den Innenring des Wälzlagers hintergreifen
und deren Druckspindel sich auf der Stirnseite der Zentralachse
abstützt, die ihrerseits durch die Spindel-Ausziehvorrichtung
19 gegen Verschieben gesichert ist.
In Fig. 7 ist, wiederum im Querschnitt durch die Kettenräder-Baugruppe,
zu erkennen, wie ein neues Wälzlager 15.2 mit
Hilfe einer Spindel-Einpressvorrichtung 23 durch Druck auf
seinen Aussenring in die Bohrung im Förderstrang-Kettenrad
eingepresst wird. Die Spindel der Vorrichtung ist dabei in
ein Innengewinde 24 in der Stirnseite der Zentralachse eingeschraubt,
die noch immer durch die Spindel-Ausziehvorrichtung
19 gegen Verschieben gesichert ist.Fig. 1 shows schematically the essential elements of a passenger transport device according to the invention, ie concretely an escalator 1, with the
Fig. 3 shows the left-side part of the (symmetrical)
Shown is a first phase of the bearing replacement, in which the sprocket assembly is already connected by
Fig. 4 shows a cross section through the sprocket assembly after removal of the
Recognize
In Fig. 5 can be seen a next phase of the bearing replacement, in which the
Fig. 6 again shows the cross section through the sprocket assembly shown in the phase of pulling out the old roller bearing 15.2 from its seat in the conveyor sprocket 16.2. Evident is the
In Fig. 7, again in cross section through the sprocket assembly, to recognize how a new roller bearing 15.2 is pressed by means of a spindle-pressing
Claims (6)
- Escalator with a circulating step chain for the transport of persons between different levels or moving walkway with a circulating plate chain for non-rising or slightly rising conveyance of persons, substantially consisting of a support construction (2) with side railings (balustrades) (3), the step or plate conveying run (4), two respective circulating handrail belts (5) and a drive station with a chainwheel subassembly (6) consisting substantially of two conveying run chainwheels (16) interconnected by a hollow shaft (14), which subassembly (6) is supported by way of roller bearings on a central axle (8), the ends of which are fixed in central axle carriers (7) detachably connected with the support construction, characterised in that the support construction comprises suitably shaped auxiliary supports (9, 10), to which the chainwheel subassembly of the drive unit on exchange of the roller bearings (15) can be fixed by detachable connecting elements.
- Escalator or moving walkway according to claim 1, characterised in that the central axle carriers (7) are detachably fastened to the support construction by means of screw connections.
- Escalator or moving walkway according to claims 1 and 2, characterised in that the central axle (8) of the chainwheel subassembly (6) is so designed that it is displaceable in the inner races of the roller bearings of the chainwheel subassembly (6) at least to such an extent that these inner races are accessible to a bearing extractor (22).
- Escalator or moving walkway according to claims 1, 2 and 3, characterised in that the central axle (8) of the chainwheel subassembly (6) has internal threads (24) at both end faces for the screwing in of a spindle puller (19) as well as a bearing extractor (22).
- Escalator or moving walkway according to claims 1 to 4, characterised in that the chainwheel subassembly (6) includes auxiliary centring means for the central axle (8), which consists of two groups each of at least three threaded pins (21), which are arranged in star-shape, in the hollow shaft (14) of the chainwheel subassembly (6).
- Method for the simplified exchange of the roller bearings in the chainwheel subassembly (6) which belongs to the drive station of an escalator or a moving walkway and which consists substantially of two conveying run chainwheels (16) interconnected by a hollow shaft (14), which subassembly (6) is supported by way of these roller bearings (15.1, 15.2) on a central axle (8) fixed in the support construction (2) by way of central axle carriers (7), characterised in that in a first step the chainwheel subassembly (6) is rigidly fixed to auxiliary supports (9, 10) of the support construction, subsequently the central axle carriers (7) are removed at both ends, thereafter the central axle (8) is drawn so far to one side that its end comes out of the inner race of the roller bearing (15.2) lying on the other side, next this roller bearing is withdrawn from its seat by a device, thereafter a new roller bearing is pressed in preferably by a pressing-in device screwed into an end face thread (24) of the central axle and finally the central axle (8) is drawn back to the middle, the central axle carriers are mounted and the fixings of the chainwheel subassembly at the auxiliary supports (9, 10) are removed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20000100341 EP1020394B1 (en) | 1999-01-13 | 2000-01-07 | Device and method for simplifying the replacement of bearings on an escalator or moving walkway |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP99810018 | 1999-01-13 | ||
| EP99810018 | 1999-01-13 | ||
| EP20000100341 EP1020394B1 (en) | 1999-01-13 | 2000-01-07 | Device and method for simplifying the replacement of bearings on an escalator or moving walkway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1020394A1 EP1020394A1 (en) | 2000-07-19 |
| EP1020394B1 true EP1020394B1 (en) | 2003-07-02 |
Family
ID=26070410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20000100341 Expired - Lifetime EP1020394B1 (en) | 1999-01-13 | 2000-01-07 | Device and method for simplifying the replacement of bearings on an escalator or moving walkway |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP1020394B1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4903401B2 (en) * | 2004-07-12 | 2012-03-28 | インベンテイオ・アクテイエンゲゼルシヤフト | Escalator or moving walkway with shaft-bearing and method for assembling and disassembling this escalator |
| EP3569556B1 (en) * | 2018-05-15 | 2024-04-24 | Otis Elevator Company | People conveyor drive and people conveyor |
| EP3569555B1 (en) * | 2018-05-15 | 2023-09-27 | Otis Elevator Company | People conveyor drive and people conveyor |
| US10858221B2 (en) | 2018-12-19 | 2020-12-08 | Otis Elevator Company | People conveyor drive and people conveyor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH485588A (en) * | 1968-12-24 | 1970-02-15 | Inventio Ag | Handrail drive for escalators and passenger conveyor belts |
-
2000
- 2000-01-07 EP EP20000100341 patent/EP1020394B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1020394A1 (en) | 2000-07-19 |
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