EP4263411A1 - Schienenbefestigungsvorrichtung für führungsschienenabschnitte einer fahrtreppe oder eines fahrsteiges - Google Patents
Schienenbefestigungsvorrichtung für führungsschienenabschnitte einer fahrtreppe oder eines fahrsteigesInfo
- Publication number
- EP4263411A1 EP4263411A1 EP21831238.7A EP21831238A EP4263411A1 EP 4263411 A1 EP4263411 A1 EP 4263411A1 EP 21831238 A EP21831238 A EP 21831238A EP 4263411 A1 EP4263411 A1 EP 4263411A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rail
- opening
- fastening device
- guide rail
- side plate
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B23/00—Component parts of escalators or moving walkways
- B66B23/14—Guiding means for carrying surfaces
Definitions
- Rail fastening device for guide rail sections of an escalator or a moving walk
- the present invention relates to a rail fastening device for fastening guide rail sections in a guide rail system of an escalator or a moving walk.
- the running elements are supported and guided along their endless track, the aim being to run these running elements as quietly and vibration-free as possible.
- the guide rail systems also serve to horizontally guide the tread surface of the running elements designed as steps when running through the upper strand, both in the horizontal and in the ascending area and in the transitions.
- An escalator construction is known from EP 1 902 996 B1, in which guide rail systems with guide rail sections are provided in the deflection areas. These guide rail systems essentially have two vertically arranged side plates which are connected to one another by means of cross braces. The guide rail sections are welded to these side plates. Special fixtures are used during manufacture to precisely align the guide rail sections. These receiving devices contain precisely arranged clamping devices for the components to be welded together and, due to appropriate machining, ensure parallelism and alignment of the running rails with sufficient accuracy. For assembly, the guide rail sections are thus held in rigid mutual association with the clamping devices and are connected to the same by means of a precision weld. Even small deviations could lead to a so-called "diagonal pull" of the running elements, which causes increased wear and, as a result, higher energy consumption and a shorter service life.
- the guide rail sections can be separated from the side plate by means of a cut-off machine, the equipment and work required to weld on the new guide rail sections at the site of use would be considerable, so that one cannot speak of a quick and inexpensive assembly.
- the synchronization of the running elements cannot be ensured to the required extent. This is because the side plate of the guide rail system is installed in the support structure of the escalator or moving walk and the introduction of heat causes warping in the construction. Due to the surrounding framework, this cannot be remedied by subsequent cold and warm straightening. In addition, for fire safety reasons, it is forbidden at many locations to carry out welding work on an existing escalator or moving walk.
- the object of the present invention is therefore to provide a rail fastening device for fastening guide rail sections which enables precise and simple assembly on a side plate of a guide rail system, in particular at the point of use.
- a rail fastening device for fastening guide rail sections in a guide rail system of an escalator or a moving walk.
- the guide rail system has at least one side plate with an opening, the opening having an opening length in its areal extent that is greater than its opening width.
- Areal expansion means the dimensions of the opening extending in the side surface of the side plate. In other words, this is the cross section of the opening defined by the opening length and the opening width, which is preferably constant over the entire thickness of the side plate.
- the rail fastening device has a rail receiving part, a screw connection and a clamping locking piece. These components can be brought from a pre-assembled state to a final assembled state. In the preassembled state, the tensioning locking piece can be connected to the rail receiving part by means of the screw connection in such a way that the tensioning locking piece can be pivoted relative to the rail receiving part about the central longitudinal axis of the screw.
- the rail receiving part has a rail receiving area and a support surface.
- the support surface is supported against the side plate and the guide rail section is fixed in the rail receiving area.
- the length and width of the clamping latch piece is matched to the opening width and the opening length of the opening in such a way that in the preassembled state the clamping latch piece can be passed through the opening in a first position and in a second position in the final assembled state on the opening surrounding material of the side plate can support.
- the guide rail to be fastened or the guide rail section to be fastened can be fastened to the rail receiving part by means of further fastening means such as screws, pins, rivets, clamps or the like.
- the rail receiving part can have a bearing surface and a projection in the rail receiving area.
- the width of the support surface, which is limited by the projection, is slightly shorter than the width of the guide rail.
- any shape is conceivable as long as it allows the clamping latch piece to be inserted through the opening in a first position and then pivoted into the second position, on the side plate can queue.
- the outlines or the cross-section to be pushed through of the clamping bolt piece have a rectangular shape, which corresponds to the areal extent of the opening.
- a pivoting weight can be arranged on the clamping latch piece, which automatically pivots the clamping latch piece of the preassembled rail fastening device after it has been passed through the opening due to gravity from the first position into the intended second position.
- An anaerobic adhesive or microencapsulated adhesive can be provided to secure the screw connection of a finally assembled rail fastening device.
- the anaerobic adhesive is applied to the screw thread during pre-assembly in such a way that it only gets between the screw thread and the nut thread when the screw is tightened. It is much easier to use screws whose threads have already had microencapsulated adhesive applied by the screw manufacturer and which is released when screwed into the nut thread.
- Other screw locks are of course also possible, the safest and at the same time simplest possibility being to provide a sufficient expansion length of the screw connection.
- the rail fastening device can comprise a counter bracket which can be fastened to the side plate.
- the guide rail section fastened to the side plate is arranged between the rail receiving part and the counter bracket.
- Such a counter-mount thus prevents the guide rail section from being able to lift off the rail receiving part.
- an anti-twist device can be provided on the clamping locking piece.
- a torque applied to the clamping locking piece by the screw connection can be positively supported in the opening.
- the anti-twist device prevents the clamping locking piece from being pivoted as a result of vibrations, even if the pretensioning force of the tightened screw connection is insufficient.
- care must be taken to ensure that this is spaced far enough from the rail receiving part in the preassembled state that its anti-twist device does not come into positive locking with the opening.
- Anti-twist device can be provided on the rail mounting part.
- a torque applied to the rail receiving part by the screw connection can also be supported in a form-fitting manner in the opening.
- the rail fastening device is preferably pre-assembled.
- the rail receiving part is connected to the clamping locking piece by means of the screw connection.
- a mounting distance must be preset between the rail receiving part and the tensioning locking piece, which is greater than the thickness of the side plate in the area of the opening. This is because otherwise the clamping and locking piece will partially protrude into the opening and therefore cannot be pivoted.
- the aforementioned rail fastening device is equally suitable for guide rail systems of an escalator or a moving walk, the guide rail system having at least one guide rail section and at least one side plate with at least one opening. If there are no openings, at least one opening can be cut out at a suitable point in the side plate, for example using a template and a suitable tool. In this case, the opening must have an opening length in its areal extent that is greater than its opening width. At least one rail fastening device of the type described above can then be arranged in the at least one opening, by means of which the at least one guide rail section can be fastened to the at least one side plate.
- the rail attachment is therefore particularly suitable for an escalator or a moving walkway with at least one guide rail system, the guide rail system having at least one side plate to which guide rail sections can be attached.
- Their guide rail system includes at least one side plate, the at least one breakthrough. If there is no breakthrough, it can be created as previously described. It may be easier to install a new side plate with the appropriate openings, provided this is fastened to the support structure of the escalator or moving walk by means of screw connections and is not welded in. As already described above, the opening must have an opening length in its areal extension that is greater than its opening width.
- the rail fastening device is preassembled in that the rail receiving part is connected to the clamping locking piece by means of the screw connection. In this case, a mounting distance is preset between the rail receiving part and the tensioning bolt piece, which is greater than the thickness of the side plate in the area of the opening.
- the tensioning locking bar piece of a pre-assembled rail fastening device is brought into a first position and is thus aligned with the length and width of the opening and the opening width of the opening.
- the tensioning locking bar piece can then be passed through the opening until the support surface of the rail receiving part is in contact with the side plate.
- the clamping locking piece is pivoted about the central longitudinal axis of the screw connection and thus brought into a second position.
- the rail fastening device is brought into a finally assembled state by tightening the screw connection with a predetermined screw tightening torque.
- the clamping and locking piece should be held in the second position until the clamping and locking piece is in contact with the material of the side plate surrounding the opening and the support surface of the rail receiving part and/or the guide rail section to be fastened is pressed against the side plate.
- the clamping locking piece can be held in the second position, for example, by means of the anti-twist device described or by means of a screwdriver that is temporarily inserted laterally through the opening while the screw connection is being tightened and thus prevents further pivoting of the clamping locking piece.
- FIG. 1 shows a middle longitudinal section of part of an escalator, arranged on a lower floor of a building, with a supporting structure and a guide rail system installed in the supporting structure;
- FIG. 2 shows a three-dimensional representation of a rail fastening device in the preassembled state
- FIG. 3 shows a three-dimensional representation of a rail fastening device which is arranged on a side plate of the guide rail system shown in FIG. 1, seen from a side accessible to a fitter;
- FIG. 4 shows a three-dimensional representation of the rail fastening device from FIG. 3 seen from a side inaccessible to a fitter.
- FIG. 1 shows a part of an escalator 1 arranged on a lower floor E1 of a building 3 in a central longitudinal section.
- the guide rail system 7 comprises two side plates 9 (only one is shown because of the central longitudinal section), between which a step band (not shown) is guided on guide rail sections 11, 13.
- the side plates 9 are arranged close to the laterally projecting structural elements such as uprights 15 and diagonal struts 17 of the supporting framework 5 .
- Walls 19 of structure 3 usually adjoin the outside of supporting structure 5 at a small distance, so that the surface of side plate 9 facing structural elements 15, 17 of supporting structure 5 is inaccessible for assembly work.
- the side of the side plate 9 facing away from the structural elements 15, 17, on which the guide rail sections 11, 13 are arranged is very easily accessible if as shown, the step band has been removed.
- Guide rail sections 11, 13 that are to be replaced and are welded to the side plate 9 can now be removed by means of a cut-off machine.
- the weld seams to be separated are usually arranged in the area of so-called welding windows. These welding windows are rectangular in shape and thus represent already existing breakthroughs 21 that can be used to assemble the new guide rail sections 11, 13.
- Rail fastening devices 23 are provided for mounting the guide rail sections 11, 13.
- the openings 21 have a rectangular cross-section with an opening length Ls and an opening width Bs, the opening length Ls being significantly larger than the opening width Bs.
- the lower guide rail section 13 is still welded to the side plate 9.
- the upper guide rail section 11 has already been replaced and is therefore attached to the side plate 9 with rail fastening devices 23 .
- the rail fastening device 23 essentially comprises a rail receiving part 25, a screw connection 27 and a tensioning latch piece 29.
- the rail receiving part 25 has a rail receiving area 31 and a support surface 33. In the final assembled state, the support surface 33 is supported against the side plate 9 .
- the rail receiving area 31 essentially comprises a support surface 35 and a projection 37. The exact function of the projection 37 is explained further below in connection with the description of FIGS.
- the length LR and width BR of the clamping latch piece 29 is matched to the opening width Bs and the opening length Ls of the opening 21 (see Figure 1) so that in the pre-assembled state the clamping latch piece 25 can be pushed through in the first position shown in Figure 2 can be passed through the opening 21 and can be supported in a second position in the final assembled state (see FIG. 4) on the material of the side plate 9 surrounding the opening 11 .
- the rail fastening device 23 is preferably preassembled.
- the rail receiving part 25 is connected to the clamping locking piece 29 by means of the screw connection 27 .
- the clamping and locking piece 29 is connected to the rail receiving part 25 by means of the screw connection 27 in such a way that the clamping and locking piece 29 is pivotably mounted relative to the rail receiving part 25 about the central longitudinal axis 43 of the screw or the screw connection 27 .
- an anaerobic adhesive can be applied in the area marked with an arrow A.
- screws can also be used for the screw connection 27, which already have a microencapsulated adhesive applied to their thread by the manufacturer.
- a mounting distance t must be preset between the rail receiving part 25 and the clamping locking piece 29, which is greater than a thickness s (see Figure 3) of the side plate 9 in the area of the opening 21 This is because otherwise the clamping locking piece 29 will still partially protrude into the opening 21 and therefore cannot be pivoted.
- a pivoting weight 45 can be arranged on the clamping and locking piece 29, which automatically moves the clamping and locking piece 29 of the preassembled rail fastening device 23 after it has passed through the opening 21 due to the torque M caused by gravity pivoted from the first pillar into the intended second pillar.
- this swivel weight 45 is not absolutely necessary, the torque M can also be set with a screwdriver generated and transferred to the clamping locking piece 29 via the screw connection 27 .
- FIGS. 3 and 4 show The final assembled state of the rail fastening device 23 which are described together below.
- FIG. 3 shows a three-dimensional detailed view of that rail fastening device 23 which is denoted by an arrow X in FIG. All other rail fastening devices 23 shown in FIG. 1 preferably also correspond to this rail fastening device 23.
- FIG. FIG. 4 shows a three-dimensional representation of the same rail fastening device 23 from FIG. 3 from the side that is difficult for a fitter to access.
- the rail fastening device 23 mounted on the side plate 9 has the components shown in FIG.
- the width WA of the bearing surface 35 of the rail receiving part 25, which is limited by the projection 37, is slightly shorter than the width WT of the guide rail section 11 resting on the bearing surface 35. If the screw connection 27 (indicated in Figure 3 by its central longitudinal axis 43) of the rail fastening device 23 is tightened, the support surface 33 is supported on the one hand against the side plate 9 and on the other hand the guide rail or the guide rail section 11 is clamped between the side plate 9 and the projection 37 . However, this is only possible if there is still a gap Z between the rail support part 25 and the clamping locking piece 29 even when the screw connection 27 is tightened.
- FIG. 4 also clearly shows the mode of operation of the anti-rotation device 39 formed on the rail receiving part 25 .
- this anti-twist device 39 By means of this anti-twist device 39, a torque M applied to the rail receiving part 25 by the screw connection 27, with which the clamping locking piece 29 is to be pivoted during the assembly process, can be positively supported in the opening 21. On the one hand, this simplifies the assembly process and, on the other hand, prevents the rail receiving part 25 from rotating as long as the screw connection 27 is not yet tightened and the guide rail section 11 is not yet on the support surface 35 rests.
- the weight forces of the step belt acting on the guide rail section 11 are supported in a form-fitting manner via a surface 41 of the anti-rotation device 39, so that the screw connection 27 does not have to be as strong in order, for example, to achieve a sufficient frictional connection between the supporting surface 33 and the side plate 9.
- the rail fastening device 23 can also include a counter-mount 47 which, in the present exemplary embodiment, can be fastened to the side plate 9 by means of a screw 49 .
- a counter-mount 47 which, in the present exemplary embodiment, can be fastened to the side plate 9 by means of a screw 49 .
- the guide rail section 11 fastened to the side plate 9 is arranged between the rail receiving part 25 and the counter bracket 47 .
- Such a counter-mount 47 thus prevents the guide rail section 11 from being able to lift off the rail receiving part 25 .
- FIG. 1 shows part of an escalator 1
- the rail fastening device 23 can also be used in guide rail systems 7 of a moving walkway.
- the anti-rotation device 39 shown in FIG. By means of this bolt anti-twist device 51, a torque M applied to the clamping bolt piece 29 by the screw connection 27 can also be supported in the opening 21 in a form-fitting manner.
- the mounting distance t is large enough for the bolt anti-twist device 51 to lie outside of the opening 21 for the purpose of pivoting.
- the entire rail fastening device 23 can be pulled back somewhat until the anti-twist lock 51 engages in the opening 21 .
- the screw connection 27 can be tightened with an intended tightening torque.
Landscapes
- Escalators And Moving Walkways (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20215863 | 2020-12-21 | ||
| PCT/EP2021/083901 WO2022135860A1 (de) | 2020-12-21 | 2021-12-02 | Schienenbefestigungsvorrichtung für führungsschienenabschnitte einer fahrtreppe oder eines fahrsteiges |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4263411A1 true EP4263411A1 (de) | 2023-10-25 |
| EP4263411B1 EP4263411B1 (de) | 2024-06-19 |
Family
ID=73856045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21831238.7A Active EP4263411B1 (de) | 2020-12-21 | 2021-12-02 | Schienenbefestigungsvorrichtung für führungsschienenabschnitte einer fahrtreppe oder eines fahrsteiges |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US12208990B2 (de) |
| EP (1) | EP4263411B1 (de) |
| CN (1) | CN116685550B (de) |
| AU (1) | AU2021408345B2 (de) |
| ES (1) | ES2987132T3 (de) |
| WO (1) | WO2022135860A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118162686A (zh) * | 2024-05-15 | 2024-06-11 | 苏州新达电扶梯部件有限公司 | 一种自动扶梯导轨用立锯锯切工装 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2686585A (en) * | 1949-05-04 | 1954-08-17 | Otis Elevator Co | Moving stairway |
| US3707220A (en) * | 1970-11-23 | 1972-12-26 | Westinghouse Electric Corp | Modular passenger conveyor construction |
| CH648811A5 (de) * | 1980-12-23 | 1985-04-15 | Inventio Ag | Fuehrungseinrichtung fuer die laufelemente von endlosfoerderern, insbesondere fahrtreppen. |
| MX2007010437A (es) | 2006-09-19 | 2009-02-10 | Inventio Ag | Escalera mecanica o anden rodante con accionamiento. |
| JP5461819B2 (ja) * | 2008-10-27 | 2014-04-02 | 株式会社日立製作所 | 乗客コンベア |
| ES2674545T3 (es) * | 2013-10-23 | 2018-07-02 | Inventio Ag | Dispositivo de fijación para fijar un escalón o plataforma en un medio de tracción |
| US10138093B2 (en) * | 2015-06-03 | 2018-11-27 | Mitsubishi Electric Corporation | Passenger conveyor step flow adjusting apparatus |
| JP6510689B1 (ja) * | 2018-02-16 | 2019-05-08 | 東芝エレベータ株式会社 | エレベータ用ガイドレールの固定装置及びその固定方法 |
| DE102018213647A1 (de) * | 2018-08-14 | 2019-08-01 | Thyssenkrupp Ag | Führungsschienenhaltesystem für eine Fahrtreppe |
| CN108928727B (zh) * | 2018-09-07 | 2023-07-04 | 苏州江南嘉捷电梯有限公司 | 购物车自动梯的导轨合拢及购物车自动梯 |
| CN109292603A (zh) * | 2018-11-28 | 2019-02-01 | 苏州市职业大学 | 一种自动扶梯用可拆卸的燕尾槽型导轨及其连接方式 |
-
2021
- 2021-12-02 ES ES21831238T patent/ES2987132T3/es active Active
- 2021-12-02 CN CN202180086217.7A patent/CN116685550B/zh active Active
- 2021-12-02 AU AU2021408345A patent/AU2021408345B2/en active Active
- 2021-12-02 WO PCT/EP2021/083901 patent/WO2022135860A1/de not_active Ceased
- 2021-12-02 US US18/253,158 patent/US12208990B2/en active Active
- 2021-12-02 EP EP21831238.7A patent/EP4263411B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US20230416056A1 (en) | 2023-12-28 |
| US12208990B2 (en) | 2025-01-28 |
| CN116685550A (zh) | 2023-09-01 |
| EP4263411B1 (de) | 2024-06-19 |
| WO2022135860A1 (de) | 2022-06-30 |
| CN116685550B (zh) | 2026-01-27 |
| AU2021408345A9 (en) | 2025-03-13 |
| ES2987132T3 (es) | 2024-11-13 |
| AU2021408345B2 (en) | 2025-03-06 |
| AU2021408345A1 (en) | 2023-07-06 |
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