EP3932845A1 - Connecting port of a support for an escalator or a moving walkway - Google Patents
Connecting port of a support for an escalator or a moving walkway Download PDFInfo
- Publication number
- EP3932845A1 EP3932845A1 EP21178518.3A EP21178518A EP3932845A1 EP 3932845 A1 EP3932845 A1 EP 3932845A1 EP 21178518 A EP21178518 A EP 21178518A EP 3932845 A1 EP3932845 A1 EP 3932845A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- connecting support
- support
- flat steel
- material thickness
- escalator
- 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.)
- Pending
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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
Definitions
- the invention relates to a connecting support for a carrier of an escalator or a moving walk, wherein the connecting support comprises a flat steel and at least one connecting hole.
- Girders of an escalator or a moving walk are manufactured in individual segments, which are connected to one another by means of connecting supports to form a complete girder.
- the connecting supports are exposed to very high loads, in particular in a central region of the assembled girder. Accordingly, the connecting supports must have a very high level of stability.
- the connecting supports have been manufactured using a flame cutting process.
- this method has the disadvantage that the connecting supports then have to be reworked by machine in order to remove an edge layer hardening by the flame cutting and to enable them to be welded into the carrier.
- a connecting support produced by means of a flame cutting process a simple flat steel can also be used as a connecting support. This has the advantage that a flame cutting process and subsequent machine post-processing are no longer necessary. The manufacturing process of the connecting support is thus significantly simplified.
- the disadvantage is that when flat steel is used, the material thickness of the connecting support has to be increased significantly so that the connecting support can withstand the loads to which it is exposed after the escalator / moving walk has been completed.
- the material thickness has to be increased from around 30mm to around 50mm.
- the costs for drilling connecting holes in the connecting support increase, since high-speed tools cannot be used due to the greater material thickness.
- the object of the present invention is accordingly to provide a solution for a connecting support, with the material and costs for the manufacturing process being significantly reduced.
- the proposed solution provides a connecting support for a support of an escalator or a moving walk, the connecting support having a flat steel and at least one connecting hole.
- the connecting support has at least one removable reinforced area.
- the connecting support comprises a flat steel with a small material thickness.
- the material thickness is 30mm.
- the connecting support is locally reinforced by a removable reinforced area.
- the connecting support can be individually reinforced by means of the removable reinforced area.
- the connecting support has at least one press plate.
- the removable reinforced area of the connecting support has at least one press plate.
- the connecting support is reinforced by means of the at least one press plate.
- the connecting support is individually reinforced by a material thickness of the at least one press plate. In particular, the material thickness of the at least one press plate is 20-30mm.
- At least one press plate is arranged on the flat steel by means of releasable fastening means.
- the at least one press plate can be exchanged by means of the releasable fastening means.
- the reinforcement of the connecting support can thus be adapted individually.
- the reinforcement of the connecting support can thus be readjusted.
- the at least one press plate is arranged on the flat steel in such a way that a material thickness of the connecting support is locally increased by means of the press plate.
- the connecting support according to the invention has the advantage that there is no need for a flame cutting process and thus a corresponding reworking of the connecting support, which leads to lower production costs. Nevertheless, the connecting support according to the invention has a material thickness similar to that of a connecting support produced by means of a flame cutting process. In particular, the flat steel of the connecting support according to the invention has a material thickness of 30 mm. The low material thickness means that less steel is required, which leads to a significant reduction in manufacturing costs.
- the connecting support can be individually reinforced according to the requirements by adjusting the material thickness of the pressing plates.
- a connecting support without pressure plates withstands a force of 100 kN.
- a connecting support with press plates with a material thickness of 30mm withstands a force of 180kN.
- Fig. 1 shows a known connecting support 100 for an escalator or a moving walkway.
- the connecting support 100 shown is produced by means of a flame cutting process.
- the connecting support 100 is designed in two layers in the exemplary embodiment shown, the two layers of the connecting support 100 being connected to one another by means of detachable fastening means 102, in particular a screw connection.
- the connecting support 100 has connecting holes 101 for fastening individual components of the escalator / moving walk.
- the connecting support 100 has a reinforced area 103 in the form of a projection. In order to ensure the necessary stability of the connecting support 100, additional material is therefore necessary, which leads to additional material costs.
- Connecting support 100 produced by means of a flame cutting process has the disadvantage that the edge layers of the flame cutting harden during flame cutting. This hardening must be removed by milling off the surface in order to ensure that it is suitable for welding. This post-processing prevents a renewed hardening of the material due to the local heating during welding of the connecting support into the carrier, which can cause the material to become brittle, which can lead to cracks in the material.
- a connecting support 100 consisting essentially of a flat steel 104 can be used, as in FIG Fig. 2 shown.
- the flat steel 104 In order to meet the necessary stability requirements, however, it is necessary for the flat steel 104 to have a certain material thickness. In order to provide the necessary stability, it is essential that the material thickness of the connecting support 100 increases overall.
- the flat steel 104 of the in Fig. 2 shown connecting support 100 have a material thickness of about 50mm. This leads to increased material costs.
- Fig. 3 shows the connecting support 100 according to the invention.
- the connecting support 100 according to the invention is a further development of the in Fig. 2 connecting support 100 shown, wherein the material thickness of the flat steel 104 used with respect to the in Fig. 2 connecting support 100 shown is significantly reduced.
- the connecting support 100 shown has a removable reinforced area 103.
- the removable reinforced area 103 is formed by at least one press plate 105 which is arranged on the flat steel 104 of the connecting support 100 by means of releasable fastening means 102.
- the material thickness of the connecting support 100 is increased locally by means of the pressing plate 105, as a result of which the stability and thus the load capacity of the connecting support is increased.
- connection support 100 has the advantage that the material thickness of the connection support 100 can be locally increased individually by means of the pressure plate 105 by attaching a pressure plate 105 of a corresponding thickness and can thus be individually adapted to the stability requirements.
- connecting support 100 without reinforcement by arranging the at least one press plate 105 if the stability requirements of individual connecting supports 100 in a girder of an escalator / moving walk are low.
Landscapes
- Escalators And Moving Walkways (AREA)
Abstract
Die Erfindung betrifft eine Verbindungsstütze (100) für einen Träger einer Fahrtreppe oder eines Fahrsteigs, wobei die Verbindungsstütze (100) einen Flachstahl (104), sowie mindestens ein Verbindungsloch (101) umfasst.Insbesondere weist die Verbindungsstütze (100) wenigstens einen abnehmbaren verstärkten Bereich (103) auf.The invention relates to a connecting support (100) for a carrier of an escalator or a moving walk, the connecting support (100) comprising a flat steel (104) and at least one connecting hole (101). In particular, the connecting support (100) has at least one removable reinforced area (103) on.
Description
Die Erfindung betrifft eine Verbindungsstütze für einen Träger einer Fahrtreppe oder eines Fahrsteigs wobei die Verbindungsstütze einen Flachstahl, sowie mindestens ein Verbindungsloch umfasst.The invention relates to a connecting support for a carrier of an escalator or a moving walk, wherein the connecting support comprises a flat steel and at least one connecting hole.
Träger einer Fahrtreppe oder eines Fahrsteigs werden in einzelnen Segmenten gefertigt, welche mittels Verbindungsstützen miteinander zu einem vollständigen Träger verbunden werden.
Insbesondere in einem Mittelbereich des zusammengesetzten Trägers sind die Verbindungsstützen sehr hohen Belastungen ausgesetzt. Entsprechend müssen die Verbindungsstützen eine sehr hohe Stabilität aufweisen.Girders of an escalator or a moving walk are manufactured in individual segments, which are connected to one another by means of connecting supports to form a complete girder.
The connecting supports are exposed to very high loads, in particular in a central region of the assembled girder. Accordingly, the connecting supports must have a very high level of stability.
Bisher wurden die Verbindungsstützen mittels eines Brennschnittverfahrens hergestellt.
Dieses Verfahren hat jedoch den Nachteil, dass die Verbindungsstützen anschließend maschinell nachbearbeitet werden müssen, um eine Randschichtenhärtung durch das Brennschneiden zu entfernen und ein Einschweißen in den Träger zu ermöglichen.So far, the connecting supports have been manufactured using a flame cutting process.
However, this method has the disadvantage that the connecting supports then have to be reworked by machine in order to remove an edge layer hardening by the flame cutting and to enable them to be welded into the carrier.
Anstelle einer mittels eines Brennschnittverfahrens hergestellten Verbindungsstütze lässt sich auch ein einfacher Flachstahl als Verbindungsstütze nutzen.
Dies hat den Vorteil, dass ein Brennschnittverfahren und eine anschließende maschinelle Nachbearbeitung hinfällig wird.
Das Herstellungsverfahren der Verbindungsstütze wird somit deutlich vereinfacht.Instead of a connecting support produced by means of a flame cutting process, a simple flat steel can also be used as a connecting support.
This has the advantage that a flame cutting process and subsequent machine post-processing are no longer necessary.
The manufacturing process of the connecting support is thus significantly simplified.
Nachteilig ist jedoch, dass bei einer Verwendung von Flachstahl die Materialdicke der Verbindungsstütze deutlich erhöht werden muss, damit die Verbindungsstütze den Belastungen, denen sie nach Fertigstellung der Fahrtreppe/des Fahrsteigs ausgesetzt werden, standhält.
So muss die Materialdicke von etwa 30mm auf etwa 50mm erhöht werden.
Weiter erhöhen sich bei einer Verwendung von Flachstahl für die Verbindungsstütze die Kosten für das Bohren von Verbindungslöchern in der Verbindungsstütze, da aufgrund der größeren Materialdicke eine Verwendung von Hochgeschwindigkeitswerkzeugen nicht möglich ist.The disadvantage, however, is that when flat steel is used, the material thickness of the connecting support has to be increased significantly so that the connecting support can withstand the loads to which it is exposed after the escalator / moving walk has been completed.
The material thickness has to be increased from around 30mm to around 50mm.
Furthermore, when flat steel is used for the connecting support, the costs for drilling connecting holes in the connecting support increase, since high-speed tools cannot be used due to the greater material thickness.
Aufgabe der vorliegenden Erfindung ist es demnach eine Lösung für eine Verbindungsstütze bereitzustellen, wobei Material und Kosten für das Herstellungsverfahren deutlich reduziert werden.The object of the present invention is accordingly to provide a solution for a connecting support, with the material and costs for the manufacturing process being significantly reduced.
Zur Lösung der Aufgabe wird eine Verbindungsstütze gemäß dem unabhängigen Anspruch vorgeschlagen.
Weitere vorteilhafte Ausgestaltungen der Erfindung sind den abhängigen Ansprüchen, der Beschreibung, sowie den Figuren zu entnehmen.To achieve the object, a connecting support according to the independent claim is proposed.
Further advantageous refinements of the invention can be found in the dependent claims, the description and the figures.
Die vorgeschlagene Lösung sieht eine Verbindungsstütze für einen Träger einer Fahrtreppe oder eines Fahrsteigs vor, wobei die Verbindungsstütze einen Flachstahl, sowie mindestens ein Verbindungsloch aufweist.
Insbesondere weist die Verbindungsstütze wenigstens einen abnehmbaren verstärkten Bereich auf.The proposed solution provides a connecting support for a support of an escalator or a moving walk, the connecting support having a flat steel and at least one connecting hole.
In particular, the connecting support has at least one removable reinforced area.
Insbesondere umfasst die Verbindungsstütze einen Flachstahl von einer geringen Materialdicke. Insbesondere beträgt die Materialdicke 30mm.
Insbesondere wird durch einen abnehmbaren verstärkten Bereich die Verbindungsstütze lokal verstärkt. Insbesondere lässt sich mittels des abnehmbaren verstärkten Bereichs die Verbindungsstütze individuell verstärken.In particular, the connecting support comprises a flat steel with a small material thickness. In particular, the material thickness is 30mm.
In particular, the connecting support is locally reinforced by a removable reinforced area. In particular, the connecting support can be individually reinforced by means of the removable reinforced area.
In einer Ausführungsform weist die Verbindungsstütze wenigstens eine Pressplatte auf.
Insbesondere weist der abnehmbare verstärkte Bereich der Verbindungsstütze wenigstens eine Pressplatte auf.
Insbesondere wird die Verbindungsstütze mittels der wenigstens einen Pressplatte verstärkt. Insbesondere wird die Verbindungsstütze durch eine Materialstärke der wenigstens einen Pressplatte individuell verstärkt.
Insbesondere beträgt die Materialstärke der wenigstens einen Pressplatte 20-30mm.In one embodiment, the connecting support has at least one press plate.
In particular, the removable reinforced area of the connecting support has at least one press plate.
In particular, the connecting support is reinforced by means of the at least one press plate. In particular, the connecting support is individually reinforced by a material thickness of the at least one press plate.
In particular, the material thickness of the at least one press plate is 20-30mm.
In einer Ausführungsform ist wenigstens eine Pressplatte mittels lösbaren Befestigungsmitteln an dem Flachstahl angeordnet.
Insbesondere lässt sich mittels der lösbaren Befestigungsmittel die wenigstens eine Pressplatte austauschen.In one embodiment, at least one press plate is arranged on the flat steel by means of releasable fastening means.
In particular, the at least one press plate can be exchanged by means of the releasable fastening means.
Insbesondere kann somit die Verstärkung der Verbindungsstütze individuell angepasst werden. Insbesondere lässt sich somit die Verstärkung der Verbindungsstütze nachjustieren.In particular, the reinforcement of the connecting support can thus be adapted individually. In particular, the reinforcement of the connecting support can thus be readjusted.
In einer Ausführungsform ist die wenigstens eine Pressplatte derart an dem Flachstahl angeordnet, dass mittels der Pressplatte eine Materialdicke der Verbindungsstütze lokal erhöht wird.In one embodiment, the at least one press plate is arranged on the flat steel in such a way that a material thickness of the connecting support is locally increased by means of the press plate.
Die erfindungsgemäße Verbindungsstütze weist den Vorteil auf, dass ein Brennschnittverfahren hinfällig wird und damit eine entsprechende Nachbearbeitung der Verbindungsstütze, was zu geringeren Herstellungskosten führt.
Dennoch weist die erfindungsgemäße Verbindungsstütze eine ähnliche Materialdicke auf, wie eine mittels eines Brennschnittverfahrens hergestellte Verbindungsstütze. Insbesondere weist der Flachstahl der erfindungsgemäßen Verbindungsstütze eine Materialdicke von 30mm auf.
Durch die geringe Materialdicke ist entsprechend weniger Stahl nötig, was zu einer deutlichen Reduzierung der Herstellungskosten führt.The connecting support according to the invention has the advantage that there is no need for a flame cutting process and thus a corresponding reworking of the connecting support, which leads to lower production costs.
Nevertheless, the connecting support according to the invention has a material thickness similar to that of a connecting support produced by means of a flame cutting process. In particular, the flat steel of the connecting support according to the invention has a material thickness of 30 mm.
The low material thickness means that less steel is required, which leads to a significant reduction in manufacturing costs.
Durch die Verwendung von Flachstahl mit geringer Materialstärke ist es möglich die notwendigen Bohrungen in der Verbindungsstütze mittels Hochgeschwindigkeitswerkzeugen vorzunehmen, wobei entsprechende Bohrungen in der wenigstens einen Pressplatte unabhängig von den Bohrungen in dem Flachstahl vorgenommen werden können.By using flat steel with a low material thickness, it is possible to make the necessary bores in the connecting support by means of high-speed tools, with corresponding bores in the at least one press plate being able to be made independently of the bores in the flat steel.
Durch die Verwendung von Pressplatten zur Verstärkung der Verbindungsstütze lässt sich die Verbindungsstütze entsprechend der Anforderungen durch eine Anpassung der Materialstärke der Pressplatten individuell verstärken.
Insbesondere hält eine Verbindungsstütze ohne Pressplatten einer Krafteinwirkung von 100kN stand. Insbesondere hält eine Verbindungsstütze mit Pressplatten einer Materialstärke von 30mm einer Krafteinwirkung von 180kN stand.By using press plates to reinforce the connecting support, the connecting support can be individually reinforced according to the requirements by adjusting the material thickness of the pressing plates.
In particular, a connecting support without pressure plates withstands a force of 100 kN. In particular, a connecting support with press plates with a material thickness of 30mm withstands a force of 180kN.
Weitere vorteilhafte Ausgestaltungen, Merkmale und Funktionen der Erfindung sind in Zusammenhang mit den in den Figuren gezeigten Beispielen erklärt.
Hierbei zeigt:
- Fig. 1
- mittels Brennschnittverfahren hergestellte Verbindungsstütze (Stand der Technik);
- Fig. 2
- Verbindungsstütze umfassend einen Flachstahl (Stand der Technik); und
- Fig. 3
- erfindungsgemäße Verbindungsstütze.
Here shows:
- Fig. 1
- connecting support manufactured by means of flame cutting processes (state of the art);
- Fig. 2
- Connecting support comprising a flat steel (prior art); and
- Fig. 3
- connecting support according to the invention.
Die Verbindungsstütze 100 ist im gezeigten Ausführungsbeispiel zweilagig ausgeführt, wobei die beiden Lagen der Verbindungsstütze 100 mittels lösbaren Befestigungsmitteln 102, insbesondere einer Verschraubung, miteinander verbunden sind.The connecting
Die Verbindungsstütze 100 weist Verbindungslöcher 101 zur Befestigung einzelner Komponenten der Fahrtreppe/des Fahrsteigs auf.The connecting
Um die nötige Stabilität zu gewährleisten weist die Verbindungsstütze 100 einen verstärkten Bereich 103 in Form eines Vorsprungs auf.
Um die nötige Stabilität der Verbindungsstütze 100 zu gewährleisten ist somit zusätzliches Material notwendig, was zu zusätzlichen Materialkosten führt.In order to ensure the necessary stability, the connecting
In order to ensure the necessary stability of the connecting
Die in
Um diese kostenintensive Nachbearbeitung zu vermeiden, kann eine im Wesentlichen aus einem Flachstahl 104 bestehende Verbindungsstütze 100 verwendet werden, wie in
Um den nötigen Stabilitätsanforderungen zu genügen, ist es jedoch notwendig, dass der Flachstahl 104 eine bestimmte Materialdicke aufweist.
Damit die notwendige Stabilität gegeben ist, ist es unumgänglich, dass sich die Materialdicke der Verbindungsstütze 100 insgesamt erhöht.In order to meet the necessary stability requirements, however, it is necessary for the
In order to provide the necessary stability, it is essential that the material thickness of the connecting
Um dieselbe Stabilität aufzuweisen wie eine in
Dies führt zu erhöhten Materialkosten.To have the same stability as an in
This leads to increased material costs.
Zudem führt die erhöhte Materialdicke der in
Die erfindungsgemäße Verbindungsstütze 100 ist eine Weiterentwicklung der in
The connecting
Die in
Der abnehmbare verstärkte Bereich 103 wird durch mindestens eine Pressplatte 105 gebildet, die mittels lösbaren Befestigungsmitteln 102 an den Flachstahl 104 der Verbindungsstütze 100 angeordnet ist.
Mittels der Pressplatte 105 wird die Materialdicke der Verbindungsstütze 100 lokal erhöht, wodurch die Stabilität und damit die Belastungskapazität der Verbindungsstütze erhöht wird.In the
The removable reinforced
The material thickness of the connecting
Die erfindungsgemäße Verbindungsstütze 100 weist den Vorteil auf, dass mittels der Pressplatte 105 durch befestigen einer Pressplatte 105 entsprechender Dicke, die Materialdicke der Verbindungsstütze 100 lokal individuell erhöht werden kann und damit an die Stabilitätserfordernisse individuell angepasst werden kann.The
Ebenso ist es möglich die Verbindungsstütze 100 ohne eine Verstärkung durch eine Anordnung der mindestens einen Pressplatte 105 zu verwenden, wenn die Stabilitätsanforderungen einzelner Verbindungsstützen 100 in einem Träger einer Fahrtreppe/eines Fahrsteigs gering sind.It is also possible to use the connecting
- 100100
- VerbindungsstützeConnecting support
- 101101
- VerbindungslöcherConnecting holes
- 102102
- Lösbare BefestigungsmittelDetachable fasteners
- 103103
- Verstärkter BereichReinforced area
- 104104
- FlachstahlFlat steel
- 105105
- PressplattePress plate
Claims (4)
wobei die Verbindungsstütze (100) umfasst
einen Flachstahl (104), sowie
mindestens ein Verbindungsloch (101),
dadurch gekennzeichnet,
dass die Verbindungsstütze (100) wenigstens einen abnehmbaren verstärkten Bereich (103) aufweist.Connecting support (100) for a carrier of an escalator or a moving walk,
wherein the connecting post comprises (100)
a flat steel (104), as well as
at least one connection hole (101),
characterized,
that the connecting support (100) has at least one removable reinforced area (103).
dadurch gekennzeichnet,
dass die Verbindungsstütze (100) wenigstens eine Pressplatte (105) aufweist.Connecting support (100) according to claim 1,
characterized,
that the connecting support (100) has at least one pressing plate (105).
dadurch gekennzeichnet,
dass die wenigstens eine Pressplatte (105) mittels lösbaren Befestigungsmitteln (102) an dem Flachstahl (104) angeordnet ist.Connecting support (100) according to claim 2,
characterized,
that the at least one press plate (105) is arranged on the flat steel (104) by means of releasable fastening means (102).
dadurch gekennzeichnet,
dass die Pressplatte (105) derart an dem Flachstahl (104) angeordnet ist, dass mittels der Pressplatte (105) eine Materialdicke der Verbindungsstütze (100) lokal erhöht wird.Connecting support (100) according to one of claims 2 to 3,
characterized,
that the pressing plate (105) is arranged on the flat steel (104) in such a way that a material thickness of the connecting support (100) is locally increased by means of the pressing plate (105).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020117147 | 2020-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3932845A1 true EP3932845A1 (en) | 2022-01-05 |
Family
ID=76355393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21178518.3A Pending EP3932845A1 (en) | 2020-06-30 | 2021-06-09 | Connecting port of a support for an escalator or a moving walkway |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP3932845A1 (en) |
| CN (1) | CN113860128B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011073838A (en) * | 2009-09-30 | 2011-04-14 | Hitachi Ltd | Main frame of passenger conveyor |
| JP2012144338A (en) * | 2011-01-12 | 2012-08-02 | Toshiba Elevator Co Ltd | Passenger conveyor |
| US20120298480A1 (en) * | 2011-05-25 | 2012-11-29 | Thyssenkrupp Norte, S.A. | Support, module, transport system for displacement of people/goods and modernization method of people/goods transport systems |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4703974B2 (en) * | 2004-04-06 | 2011-06-15 | 東芝エレベータ株式会社 | Passenger conveyor renewal method and guide rail support unit |
| CN201211997Y (en) * | 2008-02-05 | 2009-03-25 | 苏州江南嘉捷电梯股份有限公司 | Truss sectioned device of passenger transportation device |
| JP5011324B2 (en) * | 2009-02-18 | 2012-08-29 | 株式会社日立製作所 | Passenger conveyor |
| ES2682647T3 (en) * | 2011-05-25 | 2018-09-21 | Thyssenkrupp Norte, S.A. | Support for transport system module for the movement of people / goods |
| CN202429846U (en) * | 2012-01-06 | 2012-09-12 | 快速电梯有限公司 | Truss connecting device and escalator with same |
| EP3109196A1 (en) * | 2015-06-25 | 2016-12-28 | Thyssenkrupp Elevator Innovation Center, S.A. | Escalator/moving walkway modular truss and method of assembling an escalator/moving walkway modular truss |
| PL3356277T3 (en) * | 2015-09-29 | 2020-02-28 | Inventio Ag | Method for mounting a bearing structure for a person transport installation in a building structure |
| CN105151985A (en) * | 2015-10-09 | 2015-12-16 | 康力电梯股份有限公司 | Connecting structure for segments of truss |
| CN205873648U (en) * | 2016-07-11 | 2017-01-11 | 鑫诺电梯有限公司 | Escalator segmentation connecting device |
| CN208802736U (en) * | 2018-08-20 | 2019-04-30 | 广州广日电梯工业有限公司 | A kind of staircase and girder interface arrangement |
-
2021
- 2021-06-09 EP EP21178518.3A patent/EP3932845A1/en active Pending
- 2021-06-28 CN CN202110737723.XA patent/CN113860128B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011073838A (en) * | 2009-09-30 | 2011-04-14 | Hitachi Ltd | Main frame of passenger conveyor |
| JP2012144338A (en) * | 2011-01-12 | 2012-08-02 | Toshiba Elevator Co Ltd | Passenger conveyor |
| US20120298480A1 (en) * | 2011-05-25 | 2012-11-29 | Thyssenkrupp Norte, S.A. | Support, module, transport system for displacement of people/goods and modernization method of people/goods transport systems |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113860128A (en) | 2021-12-31 |
| CN113860128B (en) | 2024-01-05 |
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