Drive system for an elevator installation, elevator installation and method for mounting a drive on a supporting element of an elevator installation

Abstract

A drive system (1) for an elevator device, comprising a drive (3) and a drive suspension device (7) for fixing the drive (3) on a support element (5) of the elevator device, wherein the drive suspension device (7) comprises: a rotary joint (9) for supporting the drive (3) on the support element (5) in a tiltable manner; and an adjustment device (11) for adjusting the degree of inclination of the drive (3) around the rotary joint (9).

Description

Technical Field

[0001] The invention relates to a drive system for an elevator installation, an elevator installation and a method for mounting a drive on a supporting element of an elevator installation. Background Art

[0002] Known elevator installations for transporting people or loads include an elevator car that can be moved vertically in an elevator shaft. The elevator car is usually connected to a counterweight via a sling. The drive for moving the elevator car along guide rails can be arranged, for example, on a drive structure in the shaft head of the elevator shaft or in a machine room above the elevator shaft. However, the drive systems for elevator installations known to date have a high space requirement, for example in the shaft head of the elevator installation or require a very complicated assembly. Summary of the invention

[0003] The object of the present invention is to specify a drive system for an elevator installation, in particular to specify an elevator installation which is improved compared to drive systems or elevator installations known in the prior art, in particular to reduce the space requirement of the drive system or to simplify the assembly of the drive system. Furthermore, the object of the present invention is to specify a method for assembling a drive of an elevator installation.

[0004] This object is achieved by a drive system and a method. Advantageous developments and embodiments are derived from this description.

[0005] One aspect of the present invention relates to a drive system for an elevator system, comprising a drive and a drive suspension device for fixing the drive to a supporting element of the elevator system, the drive suspension device comprising a rotating joint for supporting the drive on the support so that it can be tilted and an adjustment device for adjusting the degree of inclination or tilt of the drive about the rotating joint.

[0006] A further aspect of the invention relates to an elevator installation having a drive system according to one of the embodiments described herein, an elevator car and a counterweight connected to the elevator car via a spreader, the drive being provided for driving the spreader.

[0007] A further aspect of the invention relates to a method for mounting a drive on a support element of an elevator installation, wherein the drive is supported on the support element by a rotary joint, the drive is stabilized relative to the support element, and the inclination of the drive about the rotary joint is adjusted.

[0008] In a preferred embodiment, the drive comprises a motor, in particular a motor and a transmission. The drive may be transmission-free. The drive has a drive shaft. The drive shaft can rotate around the axis of the drive. The drive sheave of the drive can be fixed on the drive shaft. The drive sheave is configured to provide contact between the sling of the elevator system and the drive. In particular, the drive sheave is configured to transfer the force provided by the drive to the sling. The drive suspension is preferably configured to arrange the drive sheave between the motor and the support element of the drive when the drive is arranged on the support element. The drive may have a drive cooling element or drive electronics, for example, for controlling the drive. Here, "or" can generally be understood as "and / or". The drive cooling device or the drive electronics can be arranged on the bottom side of the drive in particular.

[0009] The drive system preferably comprises guide rails for guiding the elevator car, which guide rails form the support element.In other preferred embodiments, the support element can be a shaft wall of the elevator installation or a carrier structure in the elevator shaft of the elevator installation.

[0010] In a preferred embodiment, the rotary joint of the drive suspension is understood to be a rotatable connection between the drive and the support element. Preferably, the axis of rotation of the rotary joint is at least substantially perpendicular to the axis of the drive. "At least substantially vertical" is to be understood here in particular as a vertical orientation or an orientation that deviates from the vertical orientation by a maximum of 15°, for example a maximum of 10° or a maximum of 5°. In an embodiment, the axis of rotation can be oriented at least substantially perpendicular to the axis of the drive or perpendicular to the longitudinal axis of the guide rail. The axis of the drive can be oriented at least substantially perpendicular to the axis of rotation of the rotary joint and at least substantially perpendicular to the vertical direction, for example perpendicular to the longitudinal axis of the guide rail. In a preferred embodiment, the axis of the drive is aligned with the guide rail.

[0011] The adjusting device is preferably arranged below the rotary joint. The rotary joint is particularly configured to transfer tensile loads from the drive to the supporting element. The adjusting device is, for example, configured to transfer compressive loads from the drive to the supporting element. In an embodiment, the rotary joint is arranged above a drive disc of the drive and the adjusting device is arranged below the drive disc. In particular, the drive disc is arranged between the rotary joint and the adjusting device. In other embodiments, the adjusting device is arranged around the drive disc. For example, the adjusting device can extend in a ring-like or cage-like manner around the drive disc in the direction of the supporting element, the adjusting device having at least one window for guiding the sling through. In a preferred embodiment, the drive disc has a drive disc diameter of at most 150 mm, in particular at most 100 mm or at most 70 mm.

[0012] In a preferred embodiment, the rotary joint of the drive suspension device comprises a fixing part which is arranged to be fixed to the support element and a first suspension part which is fixed to the drive. The fixing part and the first suspension part are rotatably connected to each other. Preferably, the fixing part is rigidly connected to the support element and the first suspension part is rigidly connected to the drive. The rigid connection can be provided by a joining method, for example by screwing.

[0013] In a preferred embodiment, the first suspension component has at least one first opening and the fixing component has at least one second opening. The rotary hinge comprises a connecting element, which is arranged through the at least one first opening and the at least one second opening. For example, the connecting element can be a pin, a pin or a screw. In particular, the connecting element is arranged along the rotation axis of the rotary hinge.

[0014] In a preferred embodiment, the rotary hinge is implemented as a hinge. In an embodiment, the first suspension part has at least two first openings along the axis of rotation of the rotary hinge. The fixed part extends into between the at least two first openings of the first suspension part, wherein at least one second opening of the fixed part is arranged between the two first openings of the first suspension part. In other embodiments, the fixed part has at least two second openings along the axis of rotation of the rotary hinge. The first suspension part extends into between the at least two second openings of the fixed part, wherein at least one first opening of the first suspension part is arranged between the two second openings of the fixed part.

[0015] In a preferred embodiment, the rotary joint is arranged to support a torque or a torque component in a direction perpendicular to the axis of rotation. In particular, the rotary joint is arranged to support a torque or a torque component in the direction of the axis of the drive or in the direction of the longitudinal axis of the guide rail. The fixed part and the first suspension part can be in contact along the axis of rotation via at least two contact surfaces, wherein the contact surfaces extend around the axis of rotation, in particular around the axis of rotation and perpendicular to the axis of rotation. In particular, the fixed part and the first suspension part can form a torque support. For example, the rotary joint can at least partially support a torque or a torque component generated by a drive of the sling or a movement of the elevator car or the counterweight.

[0016] Preferably, the adjustment device of the drive suspension device comprises a fixing part and a second suspension part, wherein the fixing part is arranged to be fixed to the support element, and the second suspension part is fixed to the drive and connected to the fixing part. The fixing part and the second suspension part can be displaced relative to each other in an adjustable manner. The adjustment device can be designed in particular as a linear adjustment device. The adjustment device can comprise an adjustment screw, wherein the adjustment device is arranged to displace the fixing part and the second suspension part relative to each other, in particular along a straight line, by turning the adjustment screw. The second suspension part is preferably rigidly connected to the drive, and the fixing part is rigidly connected to the support element.

[0017] In a preferred embodiment, the inclination of the drive about the rotary joint can be adjusted by displacing the second suspension part relative to the fixed part. For example, the inclination can be adjusted by turning an adjustment screw of the adjustment device, by which the second suspension part is displaced relative to the fixed part. In particular, the drive suspension device is configured to tilt the drive about the axis of rotation of the rotary joint relative to the support element, for example, the guide rail, by displacement. In particular, an inclination of a maximum of 20°, for example a maximum of 10° or a maximum of 5°, can be adjusted by displacement. In an embodiment, the fixed part is part of the rotary joint and the adjustment device.

[0018] The drive suspension preferably comprises at least one isolating element, in particular a mechanical isolating element or a buffer element, the at least one isolating element being provided for reducing or preventing the transmission of vibrations or structure-borne noise from the drive to the support element. The isolating element is preferably a spring damping element. The drive can be decoupled from the support element with respect to the transmission of vibrations or structure-borne noise by the isolating element. In particular, the isolating element is provided for suppressing vibrations or structure-borne noise between the drive and the support element. The isolating element can be arranged between the first suspension part and the fixing part or between the second suspension part and the fixing part. The connecting means arranged through the at least one first opening of the first suspension part and the at least one second opening of the fixing part is at least partially enclosed by the isolating element. In particular, the connecting means is surrounded by the isolating element in the region of the at least one first opening or the at least one second opening, for example in the region of the at least one first opening and the at least one second opening. In an embodiment. The at least one isolating element comprises a synthetic material or rubber. The at least one isolating element can provide the advantage that the transmission of structure-borne noise into a building in which an elevator having a drive system according to the embodiments described herein is installed is prevented.

[0019] In a preferred embodiment, the drive suspension, in particular the first suspension part or the second suspension part, comprises an adapter plate, which is provided for fixing the drive suspension to the suspension-side end of the drive. The adapter plate is rigidly connected to the drive, for example by a threaded connection. The adapter plate can have an axial opening for guiding the drive shaft of the drive through. In an embodiment, the adapter plate is manufactured as a separate component. In other embodiments, the adapter plate is manufactured as part of the first suspension part or the second suspension part. In particular, the first suspension part and the second suspension part together with the adapter plate can be manufactured in one piece.

[0020] According to an embodiment, the elevator installation comprises a drive system according to one of the embodiments described herein. The elevator installation comprises an elevator car. The elevator car is configured to move along guide rails. The elevator installation comprises a counterweight, which is connected to the elevator car via a sling. The guide rails are preferably arranged between the elevator car and the counterweight. The drive is configured to drive the sling. By driving the sling, the elevator car and the counterweight can be moved vertically, for example in opposite vertical directions. Direction expressions regarding "up", "down", "horizontal" or "vertical" are to be understood here in particular relative to the direction of gravity.

[0021] In a preferred embodiment, the drive is arranged in the upper end region of the elevator installation. The upper end region of the elevator installation is to be understood as, for example, the vertical region of the elevator installation which corresponds to the upper 30%, in particular the upper 20% or the upper 10% of the height of the elevator installation. For example, the drive can be arranged in the lower shaft head. In particular, the elevator installation can be designed without a machine room.

[0022] Preferably, the sling comprises a belt. The belt can be made, for example, of a sheathed rope, for example of a sheathed steel cable. In cross section, the width of the belt is greater than the thickness of the belt. For example, an adjustment of the inclination of the drive relative to the support element can prevent or reduce a skewness of the belt or an uneven loading of the belt. In particular, inclinations that occur over the entire life cycle of the elevator installation are readjusted. In other embodiments, the sling comprises at least one rope, for example at least one steel cable.

[0023] In an elevator installation according to a preferred embodiment, the elevator car has a side wall facing the drive side of the drive system, and the axis of the drive extends at least substantially parallel to the drive side wall. In this context, "at least substantially parallel" means in particular a parallel orientation or an orientation which deviates from a parallel orientation by at most 20°, for example by at most 10° or at most 5°. In particular, in a top view of the elevator installation, the drive pulley of the drive can be arranged between the counterweight and the elevator car.

[0024] Preferred embodiments include at least one further drive system. In particular, the elevator installation includes at least one further drive system according to the embodiments described herein. The drive system and the at least one further drive system can be arranged on opposite sides of the elevator car. The at least one further drive system preferably drives a further sling connected to the elevator car and in particular to the further counterweight. The use of at least two drive systems can provide the advantage that smaller or lighter drives can be used. In particular, the space requirement of the drive system can be reduced. For example, in a top view of the elevator installation, the drive can be arranged between the elevator car and the shaft wall or the counterweight.

[0025] In a preferred embodiment of the method for assembly, the support of the drive comprises fixing a first suspension part of the drive suspension to the drive and fixing a fixing part of the drive suspension to the support element. The support process preferably comprises: connecting the first suspension part to the fixing part to form a rotary joint of the drive suspension. For example, the drive with the first suspension part can be arranged relative to the fixing part fixed to the support element in such a way that at least one first opening of the first suspension part and at least one second opening of the fixing part are arranged along the axis of rotation of the rotary joint to be formed. Then, a connecting means, such as a pin, a pin or a screw, can be guided or arranged through the at least one first opening and the at least one second opening to form the rotary joint.

[0026] In a preferred method, the measure for stabilizing the drive comprises connecting a second suspension part fixed to the drive to the fixing part to form an adjustment device. In a further preferred method, the measure for stabilizing comprises fixing the second suspension part connected to the fixing part to the drive. After stabilization, for example, the drive sheave of the drive can be loaded with the weight of the elevator car and the weight of the counterweight that needs to be carried by the drive system, without the drive significantly deviating from the stable position of the drive. The second suspension part connected to the fixing part can be adjusted relative to the fixing part. Thus, for example, the degree of inclination can be adjusted after stabilization.

[0027] The adjustment of the inclination preferably comprises aligning the drive relative to the support element by displacing the second suspension part relative to the fixed part. This displacement can be achieved by turning an adjustment screw of the adjustment device. In particular, the inclination about the axis of rotation of the rotating hinge is adjusted. In a preferred method, the drive is mounted on a guide rail as the support element.

[0028] Preferred embodiments can offer the advantage over the prior art that the drive can be mounted on a support element, for example on a guide rail, in a space-saving manner. In particular, the drive system according to the preferred embodiment can be mounted on or above a guide rail without upper attachments or can be mounted without a machine room. The drive system according to the preferred embodiment can be mounted in an elevator shaft with a low shaft top. In particular, depending on the embodiment, the drive system can be equipped with a particularly small or lightweight drive. Preferred embodiments can also offer the advantage that the inclination of the drive relative to the support element can be adjusted. In particular, when using a belt as a sling, skew can be avoided or reduced. The inclination can be readjusted over the entire life cycle of the elevator installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Below, various aspects of the present invention are explained in more detail based on embodiments and in conjunction with the accompanying drawings, wherein:

[0030] Figure 1 A schematic diagram showing a preferred embodiment of the drive system;

[0031] Figure 2 A schematic cross-sectional view showing a preferred embodiment of the drive system;

[0032] Figure 3 A schematic diagram showing another preferred embodiment of the drive system;

[0033] Figure 4 A schematic diagram showing a preferred embodiment of an elevator installation;

[0034] Figure 5 A schematic top view showing an elevator installation according to a preferred embodiment; and

[0035] Figure 6 A schematic diagram shows a preferred method for mounting a drive on a support element of an elevator installation. DETAILED DESCRIPTION

[0036] Figure 1 A schematic diagram of a drive system 1 according to a possible configuration of the invention is shown. The drive system 1 comprises a drive 3 which is fixed to a support element 5 via a drive suspension 7. Figure 1 In the embodiment, the drive system 1 comprises guide rails for guiding the elevator car, which guide rails form the support elements 5. Figure 2 1 shows a schematic sectional view of a drive system 1. The sectional view shows a section along the axis 61 of the drive shaft 15 of the drive 3 and parallel to the longitudinal axis of the guide rail. Figure 1 and Figure 2In the embodiment, the axis 61 of the drive 3 is oriented at least substantially perpendicularly to the axis of rotation 31 of the rotary joint 9. In particular, the drive system 1 is designed to extend the axis 61 at least substantially parallel to the drive-side side wall of the elevator car.

[0037] The drive suspension device 7 comprises a rotary joint 9 for supporting the drive 3 on the support element 5 in a tiltable manner. The rotary joint 9 comprises a fixing part 21 fixed to the support element 5. The rotary joint 9 also comprises a first suspension part 23 fixed to the drive 3. The fixing part 21 is rigidly connected to the support element 5 and the first suspension part 23 is rigidly connected to the drive 3, in particular, is screwed. Figure 1 and Figure 2 In the embodiment of the invention, the first suspension part 23 has two first openings along the rotation axis 31 of the rotation hinge 9. Figure 2 As shown, the fixing part 21 extends into between the two first openings of the first suspension part 23, and the second opening of the fixing part 21 is arranged between the two first openings of the first suspension part 23. By the hinge-like interlocking of the fixing part and the first suspension part, the bending stiffness of the rotating joint 9 relative to the torque of the rotation axis 31 perpendicular to the rotating joint 9, especially relative to the torque in the longitudinal direction of the guide rail, can be increased. The connecting mechanism 29 is arranged through the two first openings and the second opening. Figure 1 and Figure 2 In the embodiment, the connection means 29 is designed as a pin, in particular a bolt, which is guided through the first opening and the second opening and is fixed with a nut.

[0038] The drive suspension device 7 comprises an adjustment device 11. The adjustment device 11 comprises a fixed component 21 and a second suspension component 41. The second suspension component 41 can be moved along a straight line relative to the fixed component 21. Figure 2 In the embodiment of the present invention, the second suspension part 41 can be displaced relative to the fixed part 21 by rotating the adjustment screw 43 of the adjustment device 11. By moving the second suspension part 41 relative to the fixed part 21, the inclination or inclination of the drive 3 about the rotation axis 31 of the rotation hinge 9 relative to the support element 5 can be adjusted or adjusted. In particular, the inclination of the drive shaft 15 and the drive pulley 13 arranged on the drive shaft 15 relative to the support element 5 can also be adjusted. For example, when a belt is used as a sling, the adjustment of the inclination of the drive pulley 13 can avoid or reduce the skewing of the belt.

[0039] Figure 1 and Figure 2The drive suspension 7 comprises an insulating element 47 which is arranged between the first suspension part 23 and the fixing part 21 and between the second suspension part 41 and the fixing part 21. In particular, a further insulating element 47 is arranged around the connecting mechanism 29 in the region of the first opening of the first suspension part 23 and in the region of the second opening of the fixing part 21. The insulating element 47 is provided to reduce, in particular suppress, the propagation of vibrations or structure-borne noise from the drive 3 to the support element 5.

[0040] Drive 3 in Figure 2 The drive suspension device 7 includes an adapter plate 33 fixed to the electric motor. The first suspension component 23 and the second suspension component 41 are fixed to the drive 3 via the adapter plate 33. The drive 3 includes a drive electronic device 35 and a drive cooling device 37. Figure 1 and Figure 2 In the embodiment shown in FIG. 1 , the driver electronics 35 and the driver cooling device 37 are arranged on the bottom side of the driver 3. As a result, for example, the space requirement of the driver 3 in the horizontal direction can be reduced.

[0041] Figure 3 A view showing another exemplary embodiment of a preferred drive system 1 is shown. Figure 3 In the embodiment, the fixed part 21 has two second openings along the rotation axis 31 of the rotating hinge 9. The first suspension part 23 extends into between the two second openings of the fixed part 21, and the first opening of the first suspension part 23 is located between the two second openings. The connecting mechanism 29 extends through the two second openings and the first opening. Figure 3 In the embodiment, the fixing part 21 comprises a frame structure 40 fixed to the support element and an intermediate block 39, in which the second openings of the fixing part 21 are respectively configured. The intermediate block 39 can in particular transfer loads between the connecting element 29 and the frame structure 40. The frame structure 40 and the intermediate block 39 are rigidly connected to each other, for example Figure 3 Twist together.

[0042] exist Figure 3 In the embodiment, the adjustment device 11 comprises a second suspension part 41, which partially surrounds the drive disc 13 of the drive 3. The second suspension part 41 is arranged around the drive disc 41 in the form of a retainer, and the retainer-shaped second suspension part 41 has a window for guiding the sling through. On the side of the second suspension part 41 facing the support element 5, the adjustment device 11 has an adjustment screw for adjusting the inclination of the drive 3 relative to the support element 5. The isolation element 47 is arranged between the first suspension part 23 and the fixing part 21 and between the second suspension part 41 and the fixing part 21. In Figure 3In the embodiment of the present invention, the first suspension component 23, the second suspension component 41 and the adapter plate 33 are implemented in one piece. By means of the one-piece embodiment, the drive suspension device can have a high stability in particular.

[0043] Figure 4 and Figure 5 An exemplary embodiment of an elevator installation 51 is shown. The elevator installation 51 comprises a drive system 1 with a drive 3 and a drive suspension 7 for fixing the drive 3 on a support element 5 according to the embodiment described here. Figure 4 and Figure 5 , provided as support element 5 are guide rails for guiding an elevator car 53. The elevator car 53 is connected to a counterweight 55 via a sling 57. The sling 57 (e.g. a belt) is guided via a drive pulley 13 of a drive 3. The drive 3 is provided for driving the sling 57 and for vertically moving the elevator car 53 and the counterweight 55.

[0044] exist Figure 4 and Figure 5 In the embodiment, the drive 7 is arranged in the upper end region of the elevator system 51. Figure 5 As shown by way of example in the top view of the elevator installation 51 in FIG. 1 , the axis 61 of the drive 3 is oriented at least substantially parallel to the drive-side side wall 63 of the elevator car 53. The axis of rotation 31 of the rotary joint of the drive suspension 7 is oriented at least substantially perpendicular to the axis 61 and at least substantially perpendicular to the vertical direction. The inclination of the axis 61 with respect to the vertical direction or with respect to the longitudinal axis of the guide rail is adjusted, for example, at least substantially vertically.

[0045] Figure 4 and Figure 5 The elevator installation 51 has a further drive system 71 according to the embodiments of the drive system described herein. The further drive system 71 comprises a further drive 73 and a further drive suspension 75 for fixing the further drive 73 on a further support element 79, which is arranged on a support element 79. Figure 4 and Figure 5 The elevator car 53 and the counterweight 77 are formed by further guide rails. A further drive 73 is provided for driving a further sling 81 which is connected to the elevator car 53 and the further counterweight 77. The use of a further drive system makes it possible to use smaller or lighter drives. In particular, the space requirement for the drive at the shaft top or in the shaft pit can be reduced. In addition, smaller or lighter drives can be installed more easily.

[0046] Figure 6In an exemplary embodiment, a method 100 for mounting a drive on a support element of an elevator system is shown. In 110, the method 100 comprises: supporting the drive on the support element by means of a rotary joint. For example, in 110, a fixing part of a drive suspension is fixed to a guide rail, for example screwed to the guide rail. A first suspension part and a second suspension part are connected to the drive via an adapter plate. The drive is then positioned in such a way that, in order to form a hinge-like rotary joint, a pin is guided through at least one first opening of the first suspension part and at least one second opening of the fixing part. The pin is fixed with a nut. The method can provide the advantage that the drive can be positioned and supported on the support element, for example, by hand.

[0047] After the mounting process, the drive is stabilized relative to the support element in 120. In the exemplary embodiment, the second suspension part is connected to the fixing part to form an adjustment device, and after the connection process the second suspension part and the fixing part can be displaced relative to each other in an adjustable manner by means of an adjustment screw. In particular, after the stabilization, the drive can no longer be freely moved about the axis of rotation of the rotary joint, but can only be moved by turning the adjustment screw.

[0048] The inclination of the drive about the rotary joint is adjusted by turning the adjustment screw at 130. The inclination of the drive or the axis of the drive is adjusted in such a way that the axis extends at least substantially perpendicular to the vertical direction or a skewing of the belt is avoided or reduced.

Claims

1. A drive system (1) for an elevator device, the drive system comprising: Driver (3), and A drive suspension device (7) for fixing the drive (3) on a supporting element (5) of the elevator system, Wherein, the driver suspension device (7) comprises: a rotary joint (9) for supporting the drive (3) on the support element (5) in a tiltable manner; and An adjusting device (11) for adjusting the inclination of the drive (3) about the rotating hinge (9), Wherein, the rotating hinge (9) comprises: a fixing component (21), which is configured to be fixed on the supporting element (5); and A first suspension component (23), the first suspension component being fixed on the driver (3); The fixed component (21) and the first suspension component (23) are rotatably connected to each other, the first suspension component (23) has at least one first opening, and the fixed component (21) has at least one second opening, and the rotating hinge (9) includes a connecting element (29) which is arranged through the at least one first opening and the at least one second opening.

2. The drive system (1) according to claim 1, comprising guide rails for guiding an elevator car, wherein: The guide rail forms a supporting element (5).

3. The drive system (1) according to claim 1 or 2, wherein: The adjustment device (11) comprises: a fixing component (21), which is configured to be fixed on the supporting element (5); and A second suspension component (41), the second suspension component being fixed on the driver (3) and connected to the fixing component (21); The fixing element (21) and the second suspension element (41) are adjustable relative to each other.

4. The drive system (1) according to claim 3, wherein: The degree of inclination of the drive (3) about the rotary joint (9) can be adjusted by displacing the second suspension part (41) relative to the fixing part (21).

5. The drive system (1) according to claim 1 or 2, wherein: The rotary joint (9) is arranged above the driving wheel disc (13) of the driver (3); and the adjustment device (11) is arranged below the driving wheel disc (13).

6. The drive system (1) according to claim 1 or 2, wherein: The rotation axis (31) of the rotary joint (9) is at least substantially perpendicular to the axis (61) of the drive (3), and / or the rotary joint (9) is provided for supporting a torque or a torque component in a direction perpendicular to the rotation axis (31).

7. The drive system (1) according to claim 1 or 2, wherein: The drive suspension (7) comprises at least one insulating element (47), wherein the at least one insulating element (47) is provided to reduce or prevent the transmission of vibrations or structure-borne noise from the drive (3) to the support element (5).

8. An elevator device (51), comprising: Drive system (1) according to any one of the preceding claims; Elevator car (53); as well as a counterweight (55) connected to the elevator car (53) via a sling (57); The drive (3) is configured to drive the lifting device (57).

9. The elevator installation (51) according to claim 8, wherein: The drive (3) is arranged in the upper end region of the elevator installation (51).

10. The elevator installation (51) according to claim 8 or 9, wherein: The sling (57) comprises a belt.

11. The elevator installation (51) according to claim 8 or 9, wherein: The elevator car (53) has a drive-side side wall (63) facing the drive system (1); and the axis (61) of the drive extends at least substantially parallel to the drive-side side wall (63).

12. The elevator installation (51) according to claim 8 or 9, wherein: The elevator installation (51) comprises at least one further drive system (71).

13. A method for mounting a drive (3) on a support element (5) of an elevator installation (51), the elevator installation being an elevator installation (51) according to any one of claims 8 to 12, the method comprising: The drive (3) is supported on the support element (5) by means of a rotary joint (9); Stabilizing the drive (3) with respect to the support element (5); as well as The inclination of the drive (3) about the rotary joint (9) is adjusted.

Images