EP3898483B1 - Aufzugsschiene - Google Patents

Aufzugsschiene Download PDF

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Publication number
EP3898483B1
EP3898483B1 EP19821132.8A EP19821132A EP3898483B1 EP 3898483 B1 EP3898483 B1 EP 3898483B1 EP 19821132 A EP19821132 A EP 19821132A EP 3898483 B1 EP3898483 B1 EP 3898483B1
Authority
EP
European Patent Office
Prior art keywords
elevator
guide
elevator rail
rail
contour
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.)
Active
Application number
EP19821132.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3898483A1 (de
Inventor
Erich Bütler
Paolo FERRARIO
Peter MÖRI
Romeo LO JACONO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inventio AG
Original Assignee
Inventio AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Inventio AG filed Critical Inventio AG
Publication of EP3898483A1 publication Critical patent/EP3898483A1/de
Application granted granted Critical
Publication of EP3898483B1 publication Critical patent/EP3898483B1/de
Active legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/02—Guideways; Guides
    • B66B7/022—Guideways; Guides with a special shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/02—Guideways; Guides
    • B66B7/023—Mounting means therefor
    • B66B7/024—Lateral supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures

Definitions

  • the present invention relates to an elevator rail with more than one guide contour.
  • the invention also relates to a guide system and an elevator system which have such elevator rails.
  • a traveling body that is to say an elevator car or a counterweight
  • each car is guided by two elevator rails, which are often independently attached to different shaft walls.
  • a type of elevator is usually used in which the elevator car is held by rope-like or belt-like suspension means and is displaced within an elevator shaft by moving the suspension means by means of a drive machine.
  • a counterweight is usually attached to an opposite end of the suspension element. This counterweight has at least the same mass as the elevator car. As a rule, the mass of the counterweight exceeds that of the elevator car by half the payload that is permissible to be transported by the elevator car.
  • multiple counterweights and/or multiple elevator cars can also be provided in an elevator installation.
  • the DE20105144 U1 shows an elevator system that guides two counterweights inside two elevator rails, each of which is hollow.
  • the EP3103753 A1 shows an elevator rail system, which is formed from sheet metal and contains guide contours for the counterweight and the cabin as a functional combination in the same component.
  • document US2007/119331 Disclosures an elevator track system according to the preamble of claim 1.
  • a guidance system, an elevator rail and/or an elevator installation in which the floor area and/or space required for the elevator installation is small and in which the overall costs for the elevator installation can nevertheless be kept low.
  • a counterweight and a lift system equipped with it in which a number of elevator components that are used to hold and guide the counterweight, kept low and thus an installation effort as well as costs can be reduced.
  • an elevator system that places low demands on the precision of the on-site building interfaces, in particular the flatness of shaft walls.
  • the elevator rail according to the invention serves to guide the traveling bodies of an elevator system.
  • the driving body serves as a cabin for the transport of people or goods, or as a counterweight.
  • the elevator rail has more than one guide contour.
  • the guide contour is suitable for interacting with a guide shoe in such a way that a relative horizontal displacement between the guide contour and the guide shoe is limited at least on one side in a first horizontal direction, and that in a second horizontal direction, perpendicular to the first, a relative horizontal displacement between the guide contour and guide shoe is limited on both sides.
  • the elevator rail has a closed bordered hollow cross-section.
  • the elevator rail has at least three guide contours, the guide contours being formed on the outer surface of the elevator rail.
  • a guide system according to the invention comprises a first and a second of the elevator rails described above.
  • an elevator system with the guidance system described above has two counterweights and a car, with one of the elevator rails alone guiding a counterweight.
  • the guide contour of an elevator rail is the interaction surface of the elevator rail to a guide shoe.
  • the guide contour corresponds to the three ground surfaces on the elevator rail head. These three surfaces are perpendicular to each other and each serve as a running surface for a contact surface or a roller of a guide shoe.
  • the end face of the elevator rail can only limit the displacement of the guide shoe perpendicular to the end face of the guide shoe on one side. While the two side surfaces limit the displacement of the guide shoe perpendicular to the side surfaces on both sides.
  • a guide contour is usually designed in the form of a spring.
  • the spring is usually rectangular in shape and protrudes from a supporting element, in particular a rail foot, in such a way that a guide shoe can grip it.
  • Completely different guide contours are also known, in particular round and triangular.
  • the advantage of the proposed elevator system is that an elevator rail has at least three guide contours. As a result, the number of elevator rails required can be kept small. This not only saves the material of an elevator rail as such. The saving effect also means that fewer elevator rail brackets are installed because fewer elevator rails are held. The assembly effort is also reduced.
  • three carriages, ie a car and two counterweights, can be guided with only two elevator rails.
  • An elevator rail with a closed bordered cross-section has an empty area inside, while the material is concentrated in an edge area. Individual holes in the elevator rail, for example to realize screw connections, do not contradict the property of the closed bordered cross-section. A slit over the entire length of the elevator rail would no longer be compatible with the cross-section with a closed border.
  • a closed edged elevator track can also be referred to as a hollow elevator track. However, the interior of the elevator rail does not necessarily have to be empty, or only filled with air. The elevator track can also be filled. Foamed polymers, sand or concrete are particularly suitable for this.
  • the design of the elevator rail with a closed bordered cross-section has the advantage that it is significantly more stable than an open cross-section with the same use of material.
  • At least one of the guide contours is designed as a groove that serves to guide a guide shoe.
  • an elevator rail for guiding carriages of an elevator is disclosed, with the carriages being used to transport people or goods, or as a counterweight.
  • the elevator rail has at least one guide contour, which is designed as a groove and serves to guide a guide shoe.
  • the groove is characterized in that the outer surface of the elevator rail has an indentation at the location of the guide contour, the interior of which serves to accommodate a guide shoe.
  • a guide contour as a groove into which a guide shoe protrudes.
  • the groove can be designed rectangular, so that a guide shoe in Inside the groove can be performed. Also, the rectangular groove can restrict the displacement of the guide shoe perpendicular to the central surface of the guide shoe only on one side, while the two side surfaces restrict the displacement of the guide shoe perpendicular to the side surfaces on both sides.
  • the advantage of a groove, especially when it comes to the car guide, is that a large part of the guide shoe runs in the groove, leaving more space for the car next to the elevator rail. It can be assumed that the elevator rail must have a certain base area in order to be able to absorb the required forces. The cabin wall and behind it the usable space in the cabin could run directly next to it. If the guide contour were to extend out of the elevator rail in the direction of the car, this would entail a reduction in the size of the car, since the guide contour would otherwise extend into the car. With such a guide contour, however, the guide shoe also extends around the guide contour, as a result of which the area usable for the cabin is reduced even further. However, if the guide contour extends into the elevator rail, ie away from the car, this frees up space that can be occupied by the guide shoe, and the entire space is available for the car.
  • the groove also has larger contact surfaces, which has a positive effect on wear, especially on sliding shoes.
  • the bottom, or middle part, of the groove can be much wider than is usual on the face of a classic elevator rail, such as the T89.
  • the guide contour is designed as a groove and is essentially rectangular.
  • the rectangular shape has the advantage that the guiding behavior is comparable to that of a classic elevator rail. Shapes other than a substantially rectangular shape could result in other forces occurring. If the guide contour were triangular, for example, pressing a triangular guide shoe into the triangular groove would greatly increase the normal forces and thus the frictional forces.
  • the elevator rail is essentially triangular, in particular it is essentially right-angled triangular.
  • the triangular shape allows better use of the limited space in the elevator system. Ultimately, this means that more space can be made available in the cabin for the transport of people and goods.
  • the advantage of the right-angled triangular arrangement is that the two catheti, which are at right angles to each other, can be aligned according to the axes of the elevator.
  • a first of the two catheti can thus be aligned parallel to a shaft wall, for example the front wall.
  • a connection from the shaft wall to the first leg can now be realized using a simple bracket.
  • the second of the two legs is thus aligned parallel to a cabin wall. It is therefore not necessary to create an oblique connection in order to form a guide contour for guiding the cabin on the second cathetus.
  • the guide contour is designed as the or a groove, and at least two further guide contours are designed as tongues, with the two guide contours designed as springs lying at the corner points of the essentially triangular elevator rail that are furthest apart from each other.
  • the longest of the three sides of the essentially triangular elevator rail is used in such a way that a guide contour for guiding the counterweight is attached to each of the two ends of this longest side.
  • the distance is relatively large and the counterweight is also adequately guided around its vertical axis of rotation.
  • That guide contour which is in the form of a groove advantageously lies on a cathetus of the essentially right-angled triangular cross-section and serves to guide the cabin or the cabin guide shoe.
  • a braking contour is designed that is separate from the guide contours and serves as a braking surface for a safety brake.
  • the braking contour is distinguished by the fact that a safety gear can act on the braking contour and, as a result, in particular can bring the cabin safely to a stop.
  • the brake contour is designed as a spring, so that a safety brake can be used, which compresses the spring, ie the brake web, according to the conventional principle, in order to thereby generate the corresponding frictional forces.
  • the compressive forces that are introduced into the elevator rail as a result of the action of the brake pads merely compress the brake contour more tightly.
  • the elevator rail will essentially not be deformed in the process.
  • the braking contour can alternatively also be designed as a braking contour groove, in which case the safety brake braces itself outwards in the braking contour groove in order to thereby generate the corresponding frictional forces.
  • the elevator rail is designed to be so stable that the profile withstands the pressure forces.
  • Another advantage of the braking contour is that the safety gears do not act on the elevator rails where the guide shoes are guided. Any minor damage to the brake contours due to earlier braking therefore has no negative effect on driving comfort.
  • the elevator rail has a bracket attachment contour that allows a bracket to be attached in a vertically displaceable manner.
  • the bracket is attached to the bracket attachment contour in such a way that it can be moved upwards and/or downwards in the bracket attachment contour. This allows the problem of building subsidence to be taken into account. If the building still descends after the elevator is installed, the shackle that aligns the elevator rail can be slid down along the shackle attachment contour without applying a moment to the elevator rail or bending the shackle.
  • the elevator rail comprises at least one shaped metal sheet.
  • the elevator rails are manufactured using techniques well known in the manufacture of rolled sheet metal profiles.
  • a closed bordered cross-section is achieved by closing the elevator rail.
  • the butt joint can be welded to close the cross section, or it is folded over one another and spot welded, crimped or closed using a similar method.
  • the guidance system has a plurality of brackets which are each fastened to an elevator rail and the brackets connect an elevator rail directly or indirectly to a shaft wall.
  • brackets can have a simple design.
  • the space can be used optimally.
  • the brackets are connected to the same one shaft wall, the shaft wall being in particular the front wall in which the storey openings are embedded.
  • the two elevator rails are connected at at least one height in the shaft via a clamp bracket, with a clamp bracket having a bracket of the first elevator rail, a bracket of the second elevator rail and a connecting part that connects the two brackets.
  • the two brackets and the connecting part can be firmly and inseparably connected to one another, ie formed from one component, or they can be individual components that can be joined together, for example, via detachable screw connections.
  • clamp bracket is that the distance between the two elevator rails is predetermined by the connecting part.
  • the track width for the cabin i.e. the distance between the two guide contours that are used to guide the cabin, is thus fixed. A separate setting of the distance is therefore largely unnecessary.
  • the clamp bracket is attached to a single shaft wall, in particular the front wall.
  • the clamp bracket can be connected to the shaft wall, in particular the front wall, via the connecting part.
  • the brackets are then indirectly connected to the shaft wall.
  • both the two elevator rails each guide an associated counterweight via two guide contours
  • both elevator rails each guide the car together via a third guide contour
  • the elevator system 1 shows an elevator shaft of an elevator system 1.
  • the elevator system 1 comprises three traveling bodies 3, a car 4 and two counterweights 5, and two elevator rails 2.
  • Each of the elevator rails 2 has at least three guide contours 6.
  • the car 4 is guided by a respective guide contour 6 , here a groove 9 , of the two elevator rails 2 .
  • the car 4 has guide shoes 11 which engage in the groove 9 of the elevator rail 2 .
  • One elevator rail 2 is held in the elevator shaft by being connected to the front wall 15 of the elevator shaft via brackets 14 .
  • the front wall 15 is characterized in that the storey doors are located in this wall. As a result, the door sills 16 are also on this front wall 15 fastened.
  • each individual counterweight 5 is guided on two guide contours 6 of the elevator rail 2 .
  • the two guide contours 6 each holding a counterweight 5 are designed as springs 10 in this example. As a result, a distance between the two guide contours 6 of a counterweight is additionally increased.
  • the elevator rail 2 itself is formed from sheet metal, for example.
  • the counterweights 5 are optimally shaped in such a way that they optimally fill the remaining space next to the cabin.
  • FIG. 1 shows a more detailed view of an elevator rail 2 used in an elevator system 1 similar to that of Figure 1 1 could be used.
  • the elevator rail 2 or at least parts of the elevator rail consist of sheet metal 13, which is preferably brought into the shape of the elevator rail 2 or parts thereof by a rolling process.
  • the elevator rail 2 is essentially rectangular in shape.
  • the elevator rail 2 is designed on the upper flank of the rectangle in the view in such a way that it can be connected to the bracket 14 .
  • the contour shown allows the bracket 14 to be displaced along its longitudinal direction relative to the elevator rail 2 . Thus, if the building descends in the first few months after construction, the brackets 14 can slide along the elevator track 2 without the elevator track 2 being damaged or deformed.
  • the elevator rail 2 is designed in such a way that it serves as a guide for the car 4 .
  • the guide contour 6 is designed as a rectangular groove 9a.
  • the two sliding linings 12 of the guide shoe 11a are guided in the corners of the groove 9a.
  • a braking contour 17 is also created inside the guide contour 6.
  • the concept of the groove should be like this be understood that this is the U-shaped groove 9a, which actually has a continuous base, which is supplemented by the braking contour 17, which protrudes from this continuous base. Because the safety brake 19 is pressed against the braking contour 17 during safety braking, the surface of the braking contour 17 can be damaged.
  • the sliding linings 12 do not touch the braking contour 17 when sliding. Therefore, the damage that occurs during safety braking on the braking contour 17 also has no effect on the driving quality.
  • the elevator rail 2 is designed in such a way that it forms a guide contour 6 in each case.
  • These two guide contours 6 are used to guide a counterweight 5.
  • the guide contour on the left flank is designed as a groove 9b. Since this groove 9b has an undercut, the groove 9b can guide the guide shoe 11b on both sides not only in a second horizontal direction 8, but also in the first horizontal direction 7. This has the advantage that the counterweight 5 is therefore guided more securely .
  • the introduction of the guide shoe 11b into the elevator rail requires special measures.
  • a guide shoe 11b is designed for this purpose, for example, in such a way that it only reaches its full width in the groove 9b.
  • a two-part guide shoe 11b can be inserted in individual parts and is then assembled in the groove 9b so that its shape adapts to the shape of the rail.
  • the guide shoe 11b can be designed to have a flattened shape that fits through the narrow part of the groove 9b and by twisting the guide shoe 11b reaches the full width of the rail.
  • the lower flank of the rectangle contains the second guide contour 6 which guides the counterweight 5 on this side of the cabin 4 .
  • this guide contour is designed as a spring 10c.
  • the guide shoe 11c is designed as a sliding guide shoe.
  • the elevator rail 2 is designed on the upper flank of the rectangle in the view in such a way that it forms a bracket attachment contour 20 .
  • the one in the figure 2 shown Bracket attachment contour 20 allows bracket 14 to jam in this bracket attachment contour 20 .
  • By optimally selecting the clamping force, shifting within the bracket attachment contour 20 is possible if this would become necessary due to the lowering of the building.
  • FIG 3 shows another possible embodiment of an elevator system 1 and a guidance system.
  • the elevator rail 2 is shown as being essentially triangular.
  • the elevator track is connected to the front wall 15 of the building by brackets 14 .
  • This is a clamp bracket 22 in which the two brackets 14 are connected along the front wall 15 with a connecting part 21 .
  • the cabin 4 is guided over a guide shoe 11 each.
  • the guide shoe can be designed as a sliding guide shoe or as a roller guide shoe.
  • the rollers can be arranged in such a way that one roller acts as a one-sided stop at the bottom of the groove 9 and a second roller acts as a double-sided stop at the side surfaces of the groove 9 .
  • the roller that implements the double-sided stop rotates in one direction or the other, depending on where in the cabin 4 there is a load. Even during travel, shifting of the load in the cabin 4 can cause the roller to lose contact with one side surface and touch the other side surface, thereby changing the direction of rotation.
  • three or even more rollers can also be used, so that there is a separate roller available for both side surfaces of the groove 9 and at least one for rolling on the bottom of the groove 9.
  • the cabin 4 has safety brakes 19.
  • the safety brakes 19 are optimally attached next to the cabin 4. In this embodiment, too, there is again the advantage that the car 4 is not braked on a surface used for guidance, but that a braking contour 17 is used exclusively for braking by the safety brake 19 .
  • FIG 4 shows a detailed view of the cross section of an elevator rail 2, as shown in FIG 3 embodiment shown is used.
  • the elevator rail 2 is advantageously rolled from sheet metal and butt-welded at a suitable point.
  • On the left is the guide contour 6 for the cabin. This is designed as a groove 9a.
  • a guide shoe attached to the cabin can engage in this groove 9a.
  • a one-sided limitation of the movement is ensured in the first horizontal direction 7a.
  • the guide shoe of the car 4 can only be moved to the right in the first horizontal direction 7a until it comes to rest at the bottom of the groove 9a.
  • the second horizontal direction 8a the movement is limited on both sides.
  • the guide shoe of the cabin can only be moved in the second horizontal direction 8a until it comes into contact with the side faces of the groove 9a.
  • This guide contour 6 is designed as a spring 10b.
  • a guide shoe attached to the counterweight can encompass this spring 10b.
  • a one-sided limitation of the movement is ensured in a first horizontal direction 7b.
  • the guide shoe of the cabin can only be moved in the first horizontal direction 7b until the spring 10b is present at the base of the guide shoe.
  • a second horizontal direction 8b the movement is limited on both sides.
  • the guide shoe of the cabin can only be moved in the second horizontal direction 8b until it is in contact with the side faces of the spring 10b.
  • the spring 10c for the second guide shoe of the counterweight is also a spring.
  • first horizontal direction 7c and the second horizontal direction 8c the same applies as for 7b and 7c.
  • the brake contour 17 is located at the top left. It is aligned here parallel to the side wall of the cabin, so that the safety brake can be better accommodated in the tight space between the cabin and the bracket 14 .
  • the bracket 14 on the elevator rail is between the braking contour 17 and the spring 10c 2 attached.
  • the bracket 14 is attached to the elevator rail 2 by means of a screw connection 23 .

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Structural Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Types And Forms Of Lifts (AREA)
EP19821132.8A 2018-12-20 2019-12-19 Aufzugsschiene Active EP3898483B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP18214771 2018-12-20
PCT/EP2019/086382 WO2020127787A1 (de) 2018-12-20 2019-12-19 Aufzugsschiene

Publications (2)

Publication Number Publication Date
EP3898483A1 EP3898483A1 (de) 2021-10-27
EP3898483B1 true EP3898483B1 (de) 2023-04-12

Family

ID=64755239

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19821132.8A Active EP3898483B1 (de) 2018-12-20 2019-12-19 Aufzugsschiene

Country Status (10)

Country Link
US (1) US20230286780A1 (zh)
EP (1) EP3898483B1 (zh)
CN (1) CN113242836B (zh)
AU (1) AU2019410394B2 (zh)
BR (1) BR112021011302A2 (zh)
CA (1) CA3121416A1 (zh)
ES (1) ES2944481T3 (zh)
MX (1) MX2021007445A (zh)
SG (1) SG11202106078YA (zh)
WO (1) WO2020127787A1 (zh)

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CH716775B1 (de) * 2019-11-07 2023-06-15 Emch Aufzuege Ag Aufzug, insbesondere ein Person- und / oder Warenaufzug.
EP4200241A1 (de) 2020-08-18 2023-06-28 Inventio Ag Verfahren zum bilden und glätten einer als hohlprofil ausgeführten führungsschiene einer aufzuganlage
WO2022069355A1 (de) * 2020-10-01 2022-04-07 Inventio Ag Schienenstabilisierende fangbremse
US20240034597A1 (en) 2020-12-22 2024-02-01 Inventio Ag Sliding guide shoe, counterweight equipped with sliding guide shoes, and elevator system
EP4359337A1 (de) 2021-06-25 2024-05-01 Inventio Ag Rollenführungsschuh zum führen einer aufzugskabine eines aufzugs
WO2023110417A1 (de) 2021-12-15 2023-06-22 Inventio Ag Montage einer hohlschiene in einem aufzugsschacht einer aufzugsanlage
WO2023126160A1 (de) 2021-12-30 2023-07-06 Inventio Ag Aufzugsanlage und verfahren zum betreiben einer aufzugsanlage
WO2023152060A1 (de) 2022-02-09 2023-08-17 Inventio Ag Aufzugsanlage
WO2023237591A1 (de) 2022-06-08 2023-12-14 Inventio Ag Aufzugssystem
WO2023237592A1 (de) 2022-06-08 2023-12-14 Inventio Ag Aufzugssystem
WO2024023194A1 (en) 2022-07-28 2024-02-01 Inventio Ag Elevator cabin with at least one elevator belt slack detection unit arranged on one cabin sidewall
CN115258880A (zh) * 2022-08-05 2022-11-01 日立电梯（中国）有限公司 导行限位机构及电梯系统
WO2024094506A1 (de) 2022-10-31 2024-05-10 Inventio Ag Führungsanordnung für einen aufzug

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JP3910667B2 (ja) * 1996-10-31 2007-04-25 オーチス エレベータ カンパニー エレベーターの合体型ガイドレール
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Also Published As

Publication number Publication date
AU2019410394A1 (en) 2021-07-29
BR112021011302A2 (pt) 2021-08-31
EP3898483A1 (de) 2021-10-27
WO2020127787A1 (de) 2020-06-25
CA3121416A1 (en) 2020-06-25
US20230286780A1 (en) 2023-09-14
SG11202106078YA (en) 2021-07-29
CN113242836B (zh) 2023-11-24
CN113242836A (zh) 2021-08-10
ES2944481T3 (es) 2023-06-21
AU2019410394B2 (en) 2023-06-15
MX2021007445A (es) 2021-08-05

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