Car for an elevator
The cabin design with torsion bars and lever arms stabilizes the elevator cabin by compensating for guide surface irregularities, preventing tilting and ensuring smooth operation and precise alignment, thus addressing the issues of eccentric loads and alignment in existing elevator systems.
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2025-09-18
- Publication Date
- 2026-04-02
AI Technical Summary
Elastically mounted guide shoes in elevators can lead to cabin tilting due to eccentric loads, causing potential collisions and alignment issues with the shaft, which compromises safety and operational precision.
A cabin design incorporating upper and lower guide shoes with torsion bars and lever arms that stabilize the cabin by transmitting movements as torsion, ensuring minimal difference in the movements of the guide shoes to prevent tilting, using a system of stabilizers to maintain vertical alignment.
The solution effectively prevents cabin tilting and maintains vertical orientation, reducing horizontal accelerations and ensuring smooth operation by compensating for guide surface irregularities while preventing collisions and ensuring precise alignment.
Smart Images

Figure EP2025076591_02042026_PF_FP_ABST
Abstract
Description
[0001] 2023P00349WÖ
[0002] - 1 -
[0003] cabin for an elevator
[0004] The present invention relates to a cabin for an elevator and the elevator comprising the cabin.
[0005] In an elevator, a cabin is typically moved vertically along a travel path between different floors or levels within a building. This travel path can follow a guide rail or a structure within the shaft. Guide surfaces are designed to guide the cabin. A rail typically has a front guide surface and two side guide surfaces. A corresponding guide shoe accordingly has a contact area for the front guide surface and one contact area each for the two side guide surfaces. Such a contact area can be designed as the contact surface of a guide roller or as the sliding surface of a sliding bearing in a sliding guide shoe.
[0006] As an alternative to a guide rail, a cabin can also be guided along a guide surface formed on the shaft wall of the elevator. This can involve traveling directly on the concrete or brickwork, or on a metal belt that covers the raw shaft wall, thus smoothing the travel path somewhat.
[0007] The guide surfaces in elevators can never be perfectly flat. For example, the positioning of the mounting brackets for the rail is subject to assembly tolerances, which cause the rail sections to bend when attached to the brackets. This results in a rail with irregularities that typically range in length from one decimeter to several meters. When the elevator car travels over these uneven guide surfaces, it accelerates horizontally, which passengers may find unpleasant. To reduce these horizontal accelerations, the guide shoes are slidably and elastically mounted to the car to compensate for the irregularities in the guide surface. This allows the horizontal accelerations to be reduced.
[0008] Application EP 0 641 735 Al discloses a guide shoe that serves for the elastic and low-vibration mounting of the cabin on uneven guide surfaces. 2023P00349WÖ
[0009] - 2 -
[0010] However, elastically mounted guide shoes have the disadvantage that an eccentric load on the cabin—that is, a load located far from the point of force application of a suspension cable—can lead to a pronounced tilting of the cabin. The suspension cable is typically attached to the center of the cabin. This can be problematic because the tilt can eliminate clearance between the cabin and the shaft. It could cause a brake pad of a safety gear to contact the guide rail and thus trigger unnecessarily. Alternatively, a door coupling between the shaft door and the cabin door might not pass each other as intended, but instead collide and be destroyed during travel. In particular, precise alignment with the floor level is not guaranteed when the cabin is tilted.
[0011] Therefore, one task can be seen as mounting a cabin, or in particular a cabin body, not only with low vibration but also in a way that stabilizes its vertical orientation on the guide surfaces.
[0012] According to a first aspect of the invention, a cabin for an elevator solves the problem. The cabin comprises: a cabin body, an upper guide shoe attached to the cabin body, a lower guide shoe attached to the cabin body below the upper guide shoe, and a first stabilizer.
[0013] The upper and lower guide shoes are designed to guide the cabin along a first guide surface, with each shoe having a first contact area designed to make contact with the first guide surface. The first contact area of both the upper and lower guide shoes can perform a first movement relative to the cabin body to compensate for unevenness in the first guide surface during travel along it, thereby guiding the cabin body with vibration isolation. The first stabilizer comprises a first torsion bar, a first upper lever arm, and a first lower lever arm. The first torsion bar extends substantially from an upper end of the cabin to a lower end and is rotatably mounted.The first upper lever arm mechanically connects an upper end area of the first torsion bar to the upper guide shoe to form the first 2023P00349WÖ.
[0014] - 3 -
[0015] The movement relative to the cabin body of the upper guide shoe is transmitted as torsion to the upper end of the first torsion bar. The first lower lever arm mechanically connects the lower end of the first torsion bar to the lower guide shoe, thus transmitting the initial movement relative to the cabin body of the lower guide shoe as torsion to the lower end of the first torsion bar.
[0016] According to a second aspect of the invention, an elevator solves the problem. The elevator has a cabin according to the first aspect of the invention. The elevator has a first guide surface. The first guide surface runs vertically in the shaft.
[0017] Possible features and advantages of embodiments of the invention can be considered, among other things and without limiting the invention, as being based on the ideas and findings described below.
[0018] The first stabilizer ensures that the initial movement of the lower guide shoe and the initial movement of the upper guide shoe differ only slightly. This initial movement can be measured. Suitable measures for this movement include, for example, a displacement in millimeters or the rotation of a joint in degrees. Such a difference is due to the torsion of the torsion bar. The torsional stiffness of the torsion bar is chosen to be sufficiently high to adequately prevent the cabin from tilting. In other words, the cabin can still move relative to the upper and lower guide shoes to compensate for unevenness in the guide surface, as the torsion bar is rotatably mounted (for example, on the cabin body) and has little influence on the cabin's movement.The two guide shoes are mechanically coupled to each other via the lever arms and the torsion bar, so that the relative position of the upper guide shoe to the lower guide shoe can only change slightly in the vertical direction due to this coupling. This change is primarily influenced by the torsional stiffness of the torsion bar.
[0019] The cabin body serves to transport passengers or goods. The cabin body can therefore consist of a floor, walls, and a ceiling. A frame structure of the cabin, which can serve in particular to accommodate the guide shoes, can be designed as an integral part of the floor, walls, and / or ceiling, or it can be designed, for example, as a separate safety frame from the floor, walls, and / or ceiling. 2023P00349WÖ
[0020] - 4 -
[0021] The respective torsion bar can be mounted on the same side of the cabin as the associated guide shoe. Alternatively, it can be mounted on the opposite side from the associated guide shoe. Or it can be mounted at a corner of the cabin or on the rear of the cabin.
[0022] The connection between a torsion bar and an attached lever arm can be achieved, for example, by a press fit or a screw connection. For maintenance purposes, it is advantageous that the connection is designed to be detachable.
[0023] The torsion bar and the two lever arms can be manufactured as a single piece. A blank in the shape of a rod can be bent at both ends to create a lower and an upper lever arm, with the section between them forming the torsion bar. This design allows for extremely cost-effective production of the stabilizer.
[0024] A T-rail, as commonly used in elevator construction, can have three guide surfaces. One of these guide surfaces, preferably the second, is located on the side of the rail. At least one other guide surface, preferably the first and optionally the third, is located on the side of the rail. More generally, a guide surface can also be located on a shaft wall, for example. A track surface along the shaft wall can, for instance, form a guide surface.
[0025] A guide shoe is used to guide the cabin along one or more guide surfaces. The contact areas of the guide shoes serve to transfer the guiding forces to the guide surfaces.
[0026] According to a preferred embodiment, the first contact area or the second contact area is configured on a roller of one of the guide shoes, the guide shoe being configured as a roller guide shoe. Using rollers is advantageous because it reduces friction along the guide surface. Furthermore, the contact areas of rollers are very small, and therefore a roller does not need to be aligned as precisely on the guide surface. In other words, a roller can easily run at a slight angle over a guide surface. 2023P00349WÖ
[0027] - 5 -
[0028] According to one possible embodiment, the first contact area or the second contact area is designed as a sliding surface of one of the guide shoes, wherein the guide shoe is designed as a sliding guide shoe.
[0029] Advantageously, all contact areas are designed as sliding surfaces of a sliding guide shoe. Preferably, at least the sliding guide shoe, or preferably each sliding surface of the sliding guide shoe, is pivotably designed so that the sliding surfaces can adapt to the local surface of the respective guide surface. This ensures uniform wear of the sliding surfaces.
[0030] The contact area can be designed as a single roller rolling on a single guide surface. It can also consist of multiple rollers rolling on a single guide surface. In particular, it can also consist of multiple rollers rolling on different guide surfaces. This paragraph also applies analogously to sliding guide shoes, where a sliding surface takes over the function of the rollers and slides along the guide surfaces. In particular, it is also possible to design a guide shoe with both sliding surfaces and rollers.
[0031] According to a preferred embodiment, the cabin further comprises a second stabilizer. The lower and upper guide shoes are additionally designed to guide the cabin along a second guide surface, each with a second contact area for contacting this second guide surface. In both the upper and lower guide shoes, the respective second contact area can perform a second movement relative to the cabin to compensate for unevenness in the second guide surface during travel along it, thereby providing vibration isolation for the cabin. The second stabilizer comprises a second torsion bar, a second upper lever arm, and a second lower lever arm. The second torsion bar extends substantially from an upper end of the cabin to a lower end of the cabin and is rotatably mounted.The second upper lever arm connects an upper end of the second torsion bar to the upper guide shoe, transmitting the second movement relative to the cabin body of the upper guide shoe as torsion to the upper end of the second torsion bar. The second lower lever arm connects a lower end of the second torsion bar to the lower guide shoe, transmitting the second movement relative to the cabin body of the lower guide shoe to 2023P00349WÖ.
[0032] - 6 - to transfer the lower end area of the first torsion bar as torsion.
[0033] Advantageously, the use of a second stabilizer can effectively prevent the cabin from tilting around all horizontal axes of rotation.
[0034] According to a preferred embodiment, the second guide surface and the first guide surface are at an angle of 20 to 170° to each other; preferably at an angle of 90°.
[0035] The first stabilizer prevents the cabin from tilting around a first axis of rotation. Using a second stabilizer also prevents the cabin from tilting around a second axis of rotation. Since the two axes of rotation are preferably perpendicular to each other, or at least not parallel, the cabin's tilt in every direction is effectively reduced with maximum efficiency.
[0036] For a typical T-rail, the end face is preferably considered the second guide surface, and one of the two side faces is considered the first guide surface. Thus, the two guide surfaces on a typical T-rail are perpendicular to each other. They are therefore at an angle of 90° to each other.
[0037] According to a preferred embodiment, the first torsion bar elastically couples the first movement relative to the cabin body at the upper guide shoe and the first movement relative to the cabin body at the lower guide shoe. Alternatively or additionally, the second torsion bar elastically couples the second movement relative to the cabin body at the upper guide shoe and the second movement relative to the cabin body at the lower guide shoe.
[0038] This means that the first movement relative to the cabin body at the upper guide shoe and the first movement relative to the cabin body at the lower guide shoe differ from each other by a distance proportional to the difference in forces acting at the first contact area of the upper guide shoe and at the first contact area of the lower guide shoe.
[0039] According to a preferred embodiment, the first upper lever arm and the first lower 2023P00349WÖ
[0040] - 7 -
[0041] The lever arms are aligned parallel to each other and / or the second upper lever arm and the second lower lever arm are aligned parallel to each other.
[0042] Since the torsion bar runs vertically and the lever arm mechanically connects a guide shoe, spaced apart from the torsion bar, to the torsion bar, it is advantageous if all lever arms run horizontally. And it is particularly advantageous if the two lever arms of the same stabilizer run parallel to each other.
[0043] According to a preferred embodiment, the first torsion bar and / or the second torsion bar is rotatably mounted on an upper stabilizer bearing at an upper end region of the cabin.
[0044] According to a preferred embodiment, the first torsion bar and / or the second torsion bar is rotatably mounted on a lower stabilizer bearing at a lower end area of the cabin.
[0045] There can be separate stabilizer bearings for each torsion bar, or there can be one upper stabilizer bearing for more than one stabilizer. The advantage of using both an upper and a lower stabilizer bearing is that the individual stabilizer bearings do not have to absorb moments, as would be the case with a single stabilizer bearing. Furthermore, the further the upper stabilizer bearing is from the lower stabilizer bearing, the lower the bearing forces become. Therefore, the stabilizer bearings are preferably mounted at one end of the torsion bar.
[0046] According to a preferred embodiment, at least one of the lever arms is connected to the associated guide shoe via a connecting element in order to transmit the respective movement relative to the cabin body of the lower or upper guide shoe to the lower or upper end region of the respective torsion bar as torsion.
[0047] The connecting element can be designed to transmit compressive and / or tensile forces. A connecting element can, for example, be designed as a connecting rod.
[0048] Such a connecting rod is capable of transmitting tension, compression, or bending. 2023P00349WÖ
[0049] - 8 -
[0050] The connecting rod can be articulated to one of the lever arms. It can be rigidly or articulatedly connected to the guide shoe. It can be advantageous for the connecting rod to be elastically deformable. One possible design of the connecting rod is, for example, a pendulum support that is articulated at both ends, i.e., at the guide shoe and at the lever arm of the stabilizer. Another possible design of the connecting rod is a cantilever arm that is rigidly connected to the guide shoe and, for example, transmits the movement to the lever arm and thus to the stabilizer's torsion bar via a slotted hole and a pin.
[0051] According to a preferred embodiment, a first torsion bar is formed on each of two opposite sides of the cabin.
[0052] This means that the cabin has a first stabilizer on each of its two opposite sides. Preferably, the cabin also has a second stabilizer on each of its two opposite sides. This means the cabin can therefore have a total of four stabilizers. Thus, preferably, every possible contact area on a lower guide shoe is connected to a corresponding contact area on an upper guide shoe via a stabilizer.
[0053] According to a preferred embodiment, the elevator further comprises a second guide surface. The second guide surface is located on one side of the cabin opposite the first guide surface.
[0054] The elevator car preferably has an upper and a lower guide shoe on each side. Both the first and second guide surfaces can be integrated directly into the shaft wall. This can be achieved, for example, by simply designating a section of the shaft wall as a guide surface and keeping it free of obstructions. The guide surface can also be reinforced, for example, with a metal sheet.
[0055] According to a preferred embodiment, the elevator has a first guide rail, and the first guide rail has at least the first of the guide surfaces. The first guide rail may further have the second guide surface. 2023P00349WÖ
[0056] - 9 -
[0057] According to a preferred embodiment, the elevator further has a second guide rail, and an upper and a lower guide shoe are arranged along both guide rails.
[0058] Further advantages, features and details of the invention will become apparent from the following description of exemplary embodiments and from the drawings, in which identical or functionally equivalent elements are provided with identical reference numerals.
[0059] This shows:
[0060] Fig. 1a Side view of a cabin without stabilizer, eccentrically loaded
[0061] Fig. 1b Side view of a cabin with stabilizer under eccentric load. Fig. 1c Side view of a cabin with stabilizer during travel. Fig. 2 Section through a rail with a first guide shoe. Fig. 3 View of a first embodiment of the cabin. Fig. 4 View of a second embodiment of the cabin. Fig. 5 View of a third embodiment of the cabin. Fig. 6 View of an elevator.
[0062] Figures 1a, 1b, and 1c show a car 1 of an elevator. The car 1 is guided along a rail 70 by a lower guide shoe 4 and an upper guide shoe 3. Figures 1a, 1b, and 1c show only one side of the elevator car; usually, a similar rail and similar upper and lower guide shoes are arranged on the side opposite guide shoes 3 and 4. These opposite guide shoes are not shown here.
[0063] The guide shoes 3 and 4 have rollers 60, each with a first contact area 12. The construction of the upper guide shoe 3 and the lower guide shoe 4 is essentially identical. The first contact area 11 can be pressed against the rail 70. A portion of the guiding forces of the respective guide shoe 3, 4 is transmitted via this first contact area 11. A roller 60 opposite the first contact area 12 has a third contact area 32, so that the rail 70 runs between the first contact area 12 and the third contact area 32. These contact areas 12, 32 do not differ essentially in their design features. All contact areas 12, 22, 32 (where 22 is not shown in Fig. 1) of the respective guide shoe 3, 4 transmit 2023P00349WÖ
[0064] - 10 - together, the complete guide force of guide shoe 3 or 4. The numbering of the contact areas (first, second, or third) assigns each to one of the guide surfaces, which are also numbered the same. See Fig. 2.
[0065] Fig. 1a illustrates the problem to be solved. To move the cabin body 7, which is part of the cabin 1, along the uneven rail 70 with minimal horizontal acceleration, a lower guide shoe 4 and an upper guide shoe 3 are arranged on the cabin 1. The guide shoes 3 and 4 are provided with an elastic spring 61 or a viscoelastic damper. If the cabin body 7 is now subjected to an eccentric load m, the cabin body 7 tilts because the load m generates a torque relative to the center of the cabin 1, which is compensated by the guide shoes 3 and 4. However, in order to generate a sufficiently large force to compensate for the moment of the load, the spring 61 or the damper of the guide shoes 3 and 4 must undergo a certain deformation. This deformation leads to a tilting of the cabin body 7. This tilting must be prevented.
[0066] Fig. 1b shows essentially the same cabin 1 as in Fig. 1a. In contrast, cabin 1 now has a first stabilizer 11. The first stabilizer 11 has a first torsion bar 15, which is arranged laterally along the cabin 1. The first torsion bar 15 is rotatably mounted on the cabin 1 via the upper stabilizer bearing 51 and the lower stabilizer bearing 52. The rotation of an upper end region of the first torsion bar 15 is transmitted via a first upper lever arm 16 (see in particular Figure 4) to the movement of the two rollers 60 of the upper guide shoe 3. The rotation of a lower end region of the first torsion bar 15 is transmitted via a first lower lever arm 17 to the movement of the two rollers 60 of the lower guide shoe 3. The torsion bar 15 permanently aligns the rotation of the upper end region of the first torsion bar 15 and the lower end region of the first torsion bar 15.As a result, the first contact area 12 of the upper guide shoe 3 and the first contact area 12 of the lower guide shoe 4 are always deflected to essentially the same extent. Any difference in deflection is accompanied by a torsion of the first torsion bar 15. For this purpose, the torsion bar 15 is preferably designed to be sufficiently stiff to keep the permissible difference in deflections below a predetermined limit.
[0067] Fig. 1c shows the same cabin 1 as in Fig. 1b. However, cabin 1 is in a situation 2023P00349WÖ
[0068] - 11 - shown during a journey. The guide shoes 3 and 4 can still deflect by the same amount, as shown in Fig. 1a. The first stabilizer 11 continues to allow the cabin 1 to travel smoothly over the irregularities of the rail 70. In addition, the cabin 1, and in particular the cabin body 7, is kept vertically aligned. A possible embodiment of the stabilizer to achieve the desired function is shown in the following Figures 3 to 5.
[0069] Fig. 2 shows a typical arrangement of the guide surfaces 18, 28, and 38 on a typical T-type rail 70. The rail 70 has a first guide surface 18 and a third guide surface 38. A first roller 60a contacts the first guide surface 18 with a first contact area 12. A third roller 60c, coupled to the first roller 60a, contacts the third guide surface 38 with a third contact area 32. The first roller 60a and the third roller 60c are coupled in such a way that the distance between them can remain essentially constant, since the rail 70 has a constant thickness.
[0070] A second roller 60b contacts the second guide surface 28 with a second contact area 22. The direction of movement of the second roller 60b to compensate for unevenness in the rail 70 is perpendicular to the direction of movement of the rollers 60a and 60b to compensate for unevenness. Or in other words, the first guide surface 18 and the second guide surface 28 are perpendicular to each other, i.e., arranged at a 90° angle to each other.
[0071] Fig. 3 shows a cabin 1 with a first stabilizer 11. The cabin 1 has a cabin body 7 to which the upper guide shoe 3 and the lower guide shoe 4 are attached. The first stabilizer 11 has a first torsion bar 15 which is rotatably mounted by an upper stabilizer bearing 51 and a lower stabilizer bearing 52. Both the upper guide shoe 3 and the lower guide shoe 4 have a roller 60 which has a first contact area 12. The roller 60 is pivotally mounted and provided with a spring 61 that keeps the contact area 12 in contact with the guide surface of a rail 70 (not shown). The first upper lever arm 16 and the first lower lever arm 17 are connected to the respective end regions of the first torsion bar 15. As described so far, Fig. 3 can show a complete cabin 1 with a first stabilizer 11.
[0072] Alternatively, Fig. 3 also shows a second stabilizer 21, which can be connected, for example, to a first 2023P00349WÖ
[0073] - 12 -
[0074] The stabilizer could be combined as shown in Fig. 4. Both the upper guide shoe 3 and the lower guide shoe 4 can have additional rollers 60 than those shown in Fig. 3. In this configuration, the cabin 1 has a second stabilizer 21. The second stabilizer 21 has a second torsion bar 25 on which it is rotatably mounted by an upper stabilizer bearing 51 and a lower stabilizer bearing 52. Both the upper guide shoe 3 and the lower guide shoe 4 have a roller 60 that has a second contact area 22. The roller 60 is pivotally mounted and provided with a spring 61 that keeps the contact area in contact with the guide surface of a rail. The second upper lever arm 26 and the second lower lever arm 27 are connected to the respective end regions of the second torsion bar 25.
[0075] Fig. 4 shows a cabin 1 with a first stabilizer 11. The first stabilizer 11 has a first torsion bar 15, which is rotatably mounted by an upper stabilizer bearing 51 and a lower stabilizer bearing 52 (concealed by the cabin body 7). Both the upper guide shoe 3 and the lower guide shoe 4 have a roller 60a. The roller 60a is pivotally mounted and provided with a spring (not shown) that keeps the first contact area in contact with the guide surface of a rail 70 (not shown). In addition, both the upper guide shoe 3 and the lower guide shoe 4 have a further roller 60c. The roller 60c is pivotally mounted and connected to the first roller 60a. Thus, a first movement 101 of the roller 60a is the same as a first movement 101 of the roller 60c. A rail can be arranged between the guide rollers 60a and 60c, the thickness of which is preferably not variable.The upper rollers 60a and 60b are connected to a first upper lever arm 16 by means of a first connecting element 81, whereby the first movement 101 is directly transmitted to the first upper lever arm 16. The connecting element 81 can, for example, be designed as a slightly elastic rod, so that on the one hand tensile and compressive forces can be transmitted, and on the other hand a slight rotation of the upper lever arm 16 can be compensated for. The lower rollers 60a and 60c are also connected to a first lower lever arm 17. Analogous to the upper guide shoe 3, the connection is made via a second connecting element 81. The first upper lever arm 16 and the first lower lever arm 17 are connected to the respective end regions of the second torsion bar 15.
[0076] Fig. 5 shows a cabin 1 in which a first stabilizer 11, as shown in Fig. 4, and a second stabilizer 21, as shown in Fig. 3, are combined. Fig. 5 shows the 2023P00349WÖ
[0077] - 13 -
[0078] Cabin 1 in a top view. An upper guide shoe 3 is attached to a cabin body 7. A first stabilizer 11 and a second stabilizer 21 act as described in Figures 1 to 4 above. A first connecting element 81 connects a roller 60a and a roller 60c to a first upper lever arm 16. The connection of the upper first lever arm 16 to a first torsion bar 15 is achieved via a press fit, as is the connection between an upper second lever arm 26 and a second torsion bar 25. A second connecting element 82 connects a roller 60b to the upper second lever arm 26. Thus, the cabin 1 can move in both horizontal directions within the elevator system, i.e., in both directions within the plane of the drawing, relative to the rail 70. Tilting of the cabin 1 around all axes of rotation parallel to the plane of the drawing is therefore effectively prevented.
[0079] Fig. 6 shows a schematic elevator 2 with a cabin 1 that can travel vertically along a rail 70. Several floors 5 can be accessed. The elevator 2 can, for example, also have a counterweight 6. A motor 8 drives the cabin 1.
[0080] Finally, it should be noted that terms such as "having," "comprising," etc., do not exclude other elements or steps, and terms such as "a" or "an" do not exclude a plurality. Furthermore, it should be noted that features or steps described with reference to one of the above embodiments may also be used in combination with other features or steps from other embodiments described above. Reference numerals in the claims are not to be considered as limitations. The figures are merely schematic and not to scale. Identical reference numerals in the different figures denote identical or equivalent features.
Claims
2023P00349WÖ - 14 - Patent claims 1. A cabin (1) for an elevator (2), comprising: a cabin body (7); an upper guide shoe (3) attached to the cabin body (7); a lower guide shoe (4) attached to the cabin body (7) below the upper guide shoe (3) in the intended operating state of the cabin; characterized in that it also has a first stabilizer (11), wherein the lower and the upper guide shoes (3, 4) are designed to guide the cabin (1) along a first guide surface (18), wherein a first contact area (12) of each of the upper and lower guide shoes (3, 4) is designed to touch the first guide surface (18), and the respective first contact area (12) of the upper and lower guide shoes (3, 4) can perform a first movement (101) relative to the cabin body (7),to compensate for unevenness of the first guide surface (18) during travel along the first guide surface (18) and thereby to guide the cabin body (7) in a vibration-isolated manner, and the first stabilizer (11) has a first torsion bar (15), a first upper lever arm (16) and a first lower lever arm (17), wherein the first torsion bar (15) extends substantially from an upper end region of the cabin (1) to a lower end region of the cabin (1) and is rotatably mounted; wherein the first upper lever arm (16) mechanically connects an upper end region of the first torsion bar (15) to the upper guide shoe (3) in order to transmit the first movement (101) relative to the cabin body (7) of the upper guide shoe (3) to the upper end region of the first torsion bar (15) as torsion; and a lower end region of the first torsion bar is mechanically connected to the lower guide shoe (4) by the first lower lever arm (17),to transfer the first movement (101) relative to the cabin body (7) of the lower guide shoe (4) to the lower end region of the first torsion bar (15) as torsion.
2. Cabin (1) according to claim 1, wherein the cabin (1) further comprises a second stabilizer (21), and the lower and upper guide shoes (3, 4) are additionally designed for guiding the cabin (1) along a second guide surface (28), each comprising a second contact area (22) 2023P00349WÖ - 15 - of the upper and lower guide shoe (3, 4) is designed to contact the second guide surface (28), and in the upper and lower guide shoe (3, 4) the respective second contact area (22) can perform a second movement relative to the cabin body (7) to compensate for unevenness of the second guide surface (28) during travel along the second guide surface (28), and thereby guide the cabin body (7) in a vibration-isolated manner, and a second stabilizer (21) has a second torsion bar (25), a second upper lever arm (26) and a second lower lever arm (27), wherein the second torsion bar (25) extends substantially from an upper end region of the cabin (1) to a lower end region of the cabin (1) and is rotatably mounted;wherein by means of the second upper lever arm (26) an upper end region of the second torsion bar (25) is mechanically connected to the upper guide shoe (3) in order to transmit the second movement relative to the cabin body (7) of the upper guide shoe (3) to the upper end region of the second torsion bar (25) as torsion, and by means of the first lower lever arm (27) a lower end region of the second torsion bar (25) is mechanically connected to the lower guide shoe (4) in order to transmit the second movement relative to the cabin body (7) of the lower guide shoe (4) to the lower end region of the second torsion bar as torsion.
3. Cabin (1) according to claim 2, wherein the second guide surface (28) and the first guide surface (18) are at an angle to each other of 20 to 170°; preferably at an angle of 90°.
4. Cabin (1) according to one of claims 1 to 3, wherein the first torsion bar (15) elastically couples the first movement relative to the cabin body (7) at the upper guide shoe (3) and the first movement relative to the cabin body (7) at the lower guide shoe (4), and / or the second torsion bar (25) elastically couples the second movement relative to the cabin body (7) at the upper guide shoe (3) and the second movement relative to the cabin body (7) at the lower guide shoe (4).
5. Cabin (1) according to one of claims 1 to 4, wherein 2023P00349WÖ - 16 - the first upper lever arm (16) and the first lower lever arm (17) are aligned parallel to each other and / or the second upper lever arm (26) and the second lower lever arm (27) are aligned parallel to each other.
6. Cabin (1) according to one of claims 1 to 5, wherein the first contact area (12) or the second contact area (22) is configured on a roller (60) of a guide shoe (3, 4) which is configured as a roller guide shoe.
7. Cabin (1) according to one of claims 1 to 6, wherein the first contact area (12) or the second contact area (22) is designed as a sliding surface of one of the guide shoes (3, 4) which is designed as a sliding guide shoe.
8. Cabin (1) according to one of claims 1 to 7, wherein the first torsion bar (15) and / or the second torsion bar (25) is rotatably mounted at an upper end region of the cabin on an upper stabilizer bearing (51).
9. Cabin (1) according to one of claims 1 to 8, wherein the first torsion bar (15) and / or the second torsion bar (25) is rotatably mounted at a lower end region of the cabin (1) on a lower stabilizer bearing (52).
10. Cabin (1) according to one of claims 1 to 9, wherein at least one of the lever arms (16, 17, 26, 27) is connected to the associated guide shoe (3, 4) with a connecting element (81) in order to transmit the respective movement (101) relative to the cabin body (7) of the lower or upper guide shoe (4) to the lower or upper end region of the respective torsion bar (15, 25) as torsion.
11. Cabin (1) according to one of claims 1 to 10, wherein a first torsion bar (15) is formed on each of two opposite sides of the cabin (1).
12. Elevator (2) comprising a cabin (1) according to one of the preceding claims and further comprising a first guide surface (18), wherein 2023P00349WÖ - 17 - the first guide surface (18) runs vertically in the shaft.
13. Elevator (2) according to claim 12, wherein the elevator (2) further comprises a second guide surface (28), and the second guide surface (28) is located on one of the sides of the cabin (1) opposite the first guide surface (18).
14. Elevator (2) according to claim 12 or 13, wherein the elevator has a first guide rail (70) and the first guide rail has at least the first guide surface (18).
15. Elevator (2) according to claim 14, wherein the elevator further comprises a second guide rail and an upper and a lower guide shoe (3, 4) are arranged along both guide rails.
Citation Information
Patent Citations
Elevator horizontal suspensions and controls
EP0641735A1
Elevator device with an active damping system for lateral vibrations
EP2098473B1
Elevator guide device
JP1995165378A