Damping unit with interface for a lever for manual rotation

Abstract

The invention relates to a damping unit (3) for torsional vibrations, which is designed as a damper integrated in a flywheel, having a damper housing (4), a flywheel ring (5) which is arranged in a working chamber (4a) of the damper housing (4) so as to be rotatable about an axis of rotation (11) of the damping unit (3), and a cover (6) which closes the working chamber (4a). On the damper housing (4), at least one interface (10), which in each case has a receptacle (8) for a removable lever element (9), is attached laterally to an outer diameter of a housing end face (4b, 4c) of the damper housing (4). An assembly having the damping unit (3) is provided.

Description

[0001] Damping unit with interface for a lever for manual rotation

[0002] The invention relates to a damping unit with an interface for a lever for manually rotating the system according to the preamble of claim 1.

[0003] Such a damping unit is a damper integrated into a flywheel and is also called a Flywheel Integrated Damper (FID).

[0004] These vibration dampers for torsional vibrations are available in various designs. For damping torsional vibrations, for example, torsional vibration dampers are used between a shaft, such as a crankshaft, an internal combustion engine, such as a piston engine, and a drive train. Such a torsional vibration damper can also be mounted at a free end or directly on the shaft.

[0005] A torsional vibration damper can be designed as a so-called viscous damper, with, for example, a housing as the primary mass, an annular working chamber, and a flywheel as the secondary mass. The flywheel is arranged within the annular working chamber, surrounded by a viscous damping medium, allowing it to rotate relative to the housing.

[0006] Documents DE 30 20 993A1 , DE 103 01 707A1 , DE 10 2018 124 383 A1 provide exemplary explanations.

[0007] Torsional vibration dampers, especially those integrated into a flywheel, require, depending on their size and available space, a tool or aid to handle and / or rotate them during assembly, disassembly, and maintenance. This tool may be necessary to rotate the system to a defined angular position around its longitudinal axis for these tasks. For this purpose, the damper housing may have holes for the removable attachment or fastening of the necessary tool. These holes for attaching a lifting tool or sling are called lifting holes.

[0008] Furthermore, bores can be designed as so-called barring holes for attaching or mounting a twisting tool.

[0009] A disadvantage is that the mass and strength of the torsional vibration damper, e.g. its housing, size of a flywheel, can be affected by the number and size of bores as lifting bores or barring holes.

[0010] The object of the present invention is to create a damping unit for torsional vibrations in the form of a damper integrated into a flywheel, which no longer has, or no longer has to a substantial extent, the disadvantages described above and at the same time fulfills all the functions of a torsional vibration damper.

[0011] The problem is solved by the object according to claim 1.

[0012] The problem is also solved by the subject matter of claim 11.

[0013] One inventive idea is that interfaces are attached laterally to an outer diameter of the damping element in order to rotate the damping element around the axis of rotation and bring it into a required angular position by means of a rod when installed.

[0014] A damping unit according to the invention for torsional vibrations, designed as a damper integrated in a flywheel, comprises a damper housing, a flywheel ring rotatably arranged about an axis of rotation of the damping unit in a working chamber of the damper housing, and a cover that closes the working chamber. At least one interface, each having a receptacle for a removable lever element, is provided laterally on an outer diameter of an end face of the damper housing.

[0015] This design offers the distinct advantage that the interfaces are located externally on the side of the damper housing, thus minimizing or eliminating any impact on its strength and mass. A further benefit is optimized space utilization, maximizing the available space for the secondary mass (flywheel).

[0016] An arrangement is created comprising the damping unit, a drive unit, a working machine, and a common shaft. This results in an advantageously compact design.

[0017] Advantageous embodiments of the invention are specified in the dependent claims.

[0018] In one embodiment, each of the at least one interface has a radial or an axial receptacle. The receptacle can advantageously be manufactured simply.

[0019] If each individual recording has a circular, oval, rectangular, polygonal or similar cross-section, it results in a (relative) distinctiveness with other handling tools.

[0020] One embodiment provides that the at least one interface is connected to an interface ring, the interface ring being mounted coaxially to the axis of rotation on an end face of the damper housing. The interface ring can advantageously be manufactured separately and is a simple component.

[0021] Furthermore, it is advantageous in terms of weight optimization if the interface ring is designed as a profile ring.

[0022] In a further embodiment, the profile ring is provided to have a U-profile with two coaxial walls and a bottom wall, wherein the profile ring is attached to the end face of the damper housing with the bottom wall. A profile is advantageously lightweight, even during machining and assembly.

[0023] The ring design advantageously allows for a modular option for the interfaces with the receptacles for the lever element, as this enables modular use for various damping units. Another design provides that the end face of the damper housing and / or a cover end face of the damper housing cover has an axial projection and / or pins, whereby the projection and / or pins form a centering point for the interface ring or the profile ring. This allows for advantageously simple and quick centering during assembly.

[0024] In yet another embodiment, the interface ring with the interfaces is formed integrally with the damper housing, arranged laterally on an outer edge of the damper housing, and protrudes partially axially with a circumferential annular wall. This is advantageous because the interfaces are located laterally on the outer edge of the damper housing. It is also advantageous during assembly, as no additional parts are required.

[0025] In another embodiment, it is advantageous if the interfaces are each formed integrally with the damper housing, are arranged laterally on an outer edge of the damper housing and partially protrude axially with an interface dome, as this results in weight optimization.

[0026] In another embodiment, the interfaces are designed as clamps with a corresponding receptacle and arranged circumferentially on an outer edge of the damper housing, with an axial projection and / or pins providing centering for the clamps. This design offers the advantage of weight optimization.

[0027] It is advantageous that the individual interfaces can be mounted or dismounted as clamps while the damping unit is installed, since the damping unit has to be removed when retrofitting or replacing an undivided interface ring.

[0028] In one embodiment, lifting holes are arranged around the circumference of the damper housing. These holes extend radially outwards within the damper housing and are open to an outer surface of the housing. The lifting holes are advantageously used for the direct or indirect attachment of a lifting harness or eyebolts to which a lifting harness or lifting tool can be attached. Another embodiment provides for at least two lifting holes to be arranged diametrically around the circumference of the damper housing. This is advantageous for load distribution.

[0029] In a further embodiment, the lifting bores are arranged such that they are located in the center of gravity plane of the damping unit or at a small axial distance from the center of gravity plane of the damping unit, with this axial distance ranging from approximately one-third to one-seventh of the total axial damper width, i.e., the total width of the damping unit. This design offers the advantage of easier installation and removal of the torsional vibration damping unit during assembly and maintenance.

[0030] In one embodiment of the arrangement, the damping unit is mounted in series with the drive unit and the driven machine on the common shaft, thus preventing rotation. The ability to disassemble the lever elements while the damping unit is installed is particularly advantageous.

[0031] In this application, the term "interface" means a component or a section of a component which has a molded-in receptacle, e.g. a bore, or a protruding receptacle, e.g. a bolt, wherein the respective receptacle interacts with a corresponding form (e.g. bolt for the molded-in receptacle and molding for the protruding receptacle) of a lever element.

[0032] The following advantages result from the damping unit according to the invention:

[0033] • Optimized use of installation space to achieve as much installation space as possible for the secondary mass (flywheel ring).

[0034] • A weight-optimized design

[0035] • A modular option for the interfaces with the mounts for the lever element, as this allows for modular use with various damping units.

[0036] • The lever elements can be disassembled while the damping unit is installed.

[0037] • At very low and / or high torsional vibration frequencies, the damping unit still behaves like a flywheel.

[0038] • The interface mounts can also be used to balance the damping unit. A cost advantage is that the damper and flywheel are combined in a single component.

[0039] Exemplary embodiments of the invention are described below with reference to the accompanying drawings. The invention is not limited to these exemplary embodiments. In particular, individual features of the following exemplary embodiment can be used not only in these but also in other exemplary embodiments.

[0040] They show:

[0041] Figure 1 shows a schematic arrangement of a device according to the invention.

[0042] Damping unit with a drive unit and a working machine;

[0043] Figures 2-3 are schematic partial sectional views of an embodiment of the damping unit according to the invention;

[0044] Figure 4 shows a schematic perspective view of the embodiment according to Figures 2-3; and

[0045] Figure 5-18 schematic views of further variants of the embodiment according to Figure 2-4.

[0046] Figure 1 shows a schematic arrangement of a damping unit 3 according to the invention with a drive unit 1 and a working machine 2.

[0047] The drive unit 1, the working machine 2 and the damping unit 3 are arranged coaxially to a common axis of rotation 11 on a common shaft 2a in a rotationally fixed manner.

[0048] The drive unit 1 is, for example, an electric motor, with the working machine 2 being designed as a compressor, e.g. a compressor.

[0049] The damping unit 3 is mounted in series with the drive unit 1 and the driven machine 2 on shaft 2a, preventing rotation. This can be achieved, for example, by means of suitable fastening elements on a shaft flange, which is not shown but easily imaginable. In this way, the damping unit 3 is rigidly coupled to shaft 2a.

[0050] The damping unit 3 serves to dampen torsional vibrations of the system that can be generated by the drive machine 1, the working machine 2 and / or the shaft 2a.

[0051] Figure 2 shows a schematic partial sectional view of an embodiment of the damping unit 3 according to the invention.

[0052] Figure 3 shows an enlarged view of the partial section of the damping unit 3 from Figure 2.

[0053] Figure 4 shows a schematic perspective view of the embodiment according to Figure 2-3.

[0054] The damping unit 3 is also referred to as a flywheel integrated damper and comprises a damper housing 4, a flywheel ring 5, a cover 6 and at least one interface 10.

[0055] In this application, the term "interface" means a component or a section of a component which has a receptacle, e.g. a bore, or a protruding form, e.g. a bolt, wherein the respective receptacle interacts with a corresponding form (e.g. bolt for the molded receptacle and molding for the protruding receptacle) of a lever element.

[0056] The damper housing 4 is designed here in a ring shape with a working chamber 4a, which is closed to a first end face 4b and open to a second end face 4c, which is opposite the first end face 4b.

[0057] The flywheel 5, rotatable about the axis of rotation 11, is arranged in the working chamber 4a. The flywheel 5 is a circumferentially closed flywheel 5 and is rotatable relative to the damper housing 4 either without limit or with a limited range.

[0058] Between an inner wall of the working chamber 4a and the flywheel ring 5, a shear gap is formed in the working chamber 4a, which is filled with a viscous damping medium, in particular a viscous fluid such as silicone oil. The working chamber 4a is closed at the second housing end face 4c of the damper housing 4 by an annular cover 6. The cover 6 is attached to the second housing end face 4c by means of cover fastening elements 6a, e.g., screws, and has an outer cover face 6b.

[0059] A circumferential flange 4d is formed on the inside of the annular damper housing 4, which has a through central bore 4e. The damping unit 3 is attached to / onto the shaft 11 by means of this flange 4d. This is not shown, but easily imaginable.

[0060] The ring-shaped damper housing 4 has an outer circumferential housing outer surface 4f.

[0061] Furthermore, so-called lifting bores 20 are arranged around the circumference of the damper housing 4. These bores extend radially outwards within the damper housing 4 and are open to the outer surface 4f of the damper housing 4. The lifting bores 20 serve to attach lifting tools, e.g., a lifting harness. Preferably, two lifting bores 20 are arranged diametrically opposite each other around the circumference of the damper housing 4.

[0062] These lifting bores 20 can be arranged such that they are located in the center of gravity plane of the damping unit 3 or at a small axial distance from the center of gravity plane of the damping unit 3. This axial distance lies in a range of approximately one-third to one-seventh of the total axial width of the damper, i.e., the damping unit 3.

[0063] The lifting holes are advantageously used for the direct or indirect attachment of a lifting harness or eye bolts to which a lifting harness or lifting tool can be attached.

[0064] The at least one interface 10 has a receptacle 8 with a central axis 8a.

[0065] In the example shown in Figure 4, eight interfaces 10 are distributed around the circumference, each with a corresponding receptacle 8. In this embodiment, the interfaces 10 are connected by, or formed into, an interface ring 7. It is also possible that only one interface 10 is connected to a partial ring that allows attachment to the damper housing 4.

[0066] The interface ring 7 is attached here to the first end face 4b of the damper housing 4 coaxially to the axis of rotation 11, which also forms a central axis of the damping unit 3. The interface ring 7 is a separate component and is axially attached to the first end face 4b by means of fastening elements 7a, e.g. screws.

[0067] The interface ring 7 is a metal ring and has a first ring end face 7b and an opposite second ring end face 7c.

[0068] The interface ring 7 is centered on the damper housing 4 by an axial projection 13 and / or by axial pins (not shown here, but easily imaginable). The projection 13 is circumferential and extends axially from the first housing end face 4b of the damper housing 4.

[0069] In its assembled state, the interface ring 7 rests with its second ring end face 7c flat against a circumferential support section 12 of the first housing end face 4b of the damper housing 4. This support section 12 extends radially from the outer housing surface 4f of the damper housing 4 towards the axis of rotation 11 to the projection 13 of the damper housing 4.

[0070] In this process, a circumferential end region of an inner ring surface 7f contacts the projection 13 and is thus centered on the axis of rotation 11 and the damper housing 4. This end region of the inner ring surface 7f borders the second ring end face 7c.

[0071] The interface ring 7 is provided around its circumference with radial receptacles 8, which are open to the outside, i.e., to an outer ring surface 7e. In the example shown, the receptacles 8 are bores with a central axis 8a. Each of these receptacles 8 is designed to receive a section of a lever element 9.

[0072] In the area of ​​interfaces 10, an associated section 7d of the second ring end face 7c is additionally specified, since this can have a different radial length in further variants, which are described below.

[0073] In this example, the lever element 9 is a rod with a circular cross-section, with an interface end 9a and an opposite lever end 9b.

[0074] The lever element 9 is required during assembly, disassembly, and maintenance to rotate the entire damping unit 3 around the axis of rotation 11, also referred to as the axis of rotation, and to bring it into the required angular position. For this purpose, the lever rod 9 is inserted with its interface end 9a into a receptacle 8 of the interfaces 10 of the interface ring 7 and pulled out again after use.

[0075] Figure 5 shows a schematic partial sectional view of a first variant of the embodiment of the damping unit 3 according to the invention.

[0076] Figure 6 shows a schematic perspective view of the first variant according to Figure 5.

[0077] In this first variant, the interface ring 7 is weight-optimized as a metal ring by means of recesses 14, 14a between the interfaces 10 with the receptacles 8.

[0078] The interface ring 7 has axial recesses 14 which approximately halve the axial thickness of the interface ring 7 with respect to the second ring end face 7c. The interfaces 10 project axially from the first housing end face 4b to the original axial dimension of the first ring end face 7b.

[0079] Furthermore, the radial thickness of the interface ring 7 is reduced, resulting in radial recesses 14a with respect to the inner surface 7f of the interface 10. The diameter of the outer surface 7e of the ring is retained, but the diameter of the inner surface 7f of the ring is increased.

[0080] In other words, the original dimensions of the interface 10 in the radial and axial directions are retained, with weight optimization enabled by the axial recesses 14 and radial recesses 14a of the interface ring 7. The centering of the interface ring 7 on the damper housing 4 is again achieved by the axial projection 13 and / or by axial pins (not shown here, but easily imaginable), with the projection 13 making contact with the inner surface 7b of the interface 10 ring.

[0081] Figure 7 shows a schematic partial sectional view of a second embodiment of the damping unit 3 according to the invention. Figure 8 shows a schematic perspective view of the second embodiment according to Figure 7.

[0082] In the second variant, in addition to the weight optimizations of the first variant according to Figure 5-6, the interface ring 7 is divided at two diametrically opposite points into two interface ring elements 15 and 15a, with a recess 14b being formed at each of the separation points.

[0083] More than two interface ring elements 15 and 15a can also be provided.

[0084] The centering of the interface ring elements 15 and 15a on the damper housing 4 is still achieved by the axial projection 13 and / or by axial pins (not shown here, but easily imaginable). In the second variant, contact between the projection 13 and the inner surface 7b of the interface ring 10 is also ensured.

[0085] Due to the division of the interface ring 7 into the two interface ring elements 15, 15a, it is advantageously possible to mount or dismount the interface ring elements 15, 15a in the installed state of the damping unit 3.

[0086] For attaching the interface ring 7 to the damper housing 4, in addition to the fastening elements 7a and 6a shown, such as screws, other joining methods are also conceivable, such as:

[0087] • Welding

[0088] • Presses

[0089] • Shrinking

[0090] • Stick

[0091] Figure 9 shows a schematic partial sectional view of a third variant of the embodiment of the damping unit 3 according to the invention. Figure 10 shows a schematic perspective view of the third variant according to Figure 9.

[0092] In the third variant, individual clamps 16 are attached as interfaces 10 to the circumference of the first housing end face 4b of the damper housing 4. An interface ring 7 is not required. This results in weight optimization.

[0093] Each clamp 16 forms an interface 10 with a receptacle 8. The receptacle 8 is continuous and corresponds to the interface end 9a of the lever element 9.

[0094] Each clamp 16 comprises a bracket with two tabs as fastening sections 16b with a respective fastening surface 16a.

[0095] The clamp 16 is fastened with its fastening sections 16b via the fastening surfaces 16a on the first housing end face 4b of the damper housing 4 by means of fastening elements 16c, e.g. screws.

[0096] The side surfaces 16d of the fastening sections 16b are in contact with the projection 13. In this way, the projection 13, together with pins not shown, forms a centering of the interfaces 10, designed as clamps 16, on the first housing end face 4b of the damper housing 4.

[0097] The interfaces, when designed as individual interfaces, have the advantage that they can be mounted or dismounted while the damping unit 3 is installed, without removing the damping unit 3.

[0098] Figure 11 shows a schematic partial sectional view of a fourth variant of the embodiment of the damping unit 3 according to the invention.

[0099] Figure 12 shows a schematic perspective view of the fourth variant according to Figure 11.

[0100] In the fourth variant, the interface ring 7 is formed by a profile ring 17. The profile ring 17 has a U-profile in radial section. The two legs of the U-profile are two coaxial circumferential walls: an inner wall 17a and an outer wall 17b. These are spaced apart by a circumferential bottom wall 17c, which is attached with its underside 17d to the circumferential support section 12 of the first housing end face 4b of the damper housing 4 by means of fastening elements 17e, e.g., screws. The inner wall 17a and the outer wall 17b project axially from the bottom wall 17c and from the first housing end face 4b of the damper housing 4, respectively.

[0101] An outer surface of the outer wall 17b is aligned with the outer surface 4f of the damper housing 4.

[0102] The interfaces 10 are arranged in the profile ring 17 and each has two receptacles 8, which each have a circular cross-section and are formed radially aligned in both the inner wall 17a of the profile ring 17 and the outer wall 17b of the profile ring 17.

[0103] The profile ring 17 is weight-optimized and its centering on the damper housing 4 is also achieved here by the axial projection 13 and / or by axial pins (not shown here, but easily imaginable), wherein the projection 13 contacts a contact surface 17f of the inner wall 17a of the profile ring 17.

[0104] Figure 13 shows a schematic partial sectional view of a fifth variant of the embodiment of the damping unit 3 according to the invention.

[0105] Figure 14 shows a schematic perspective view of the fifth variant according to Figure 13.

[0106] All variants can also be arranged on the lid side, i.e. on the second end face of the housing 4c.

[0107] Figures 13 and 14 provide an example of this.

[0108] In this variant, the interface ring 7' is designed like the interface ring 7 according to Figure 4. The interface ring 7' rests with its second ring end face 7'c and the contact sections 7'd against the cover end face 6b in the area of ​​the interfaces 10 and is attached together with it to the second housing end face 4c of the damper housing 4 via the cover fastening elements 6a (e.g. screws). The interfaces 10 have the receptacles 8 as shown in Figure 4.

[0109] Figure 15 shows a schematic partial sectional view of a sixth variant of the embodiment of the damping unit 3 according to the invention.

[0110] Figure 16 shows a schematic perspective view of the sixth variant according to Figure 15. In the sixth variant, the interface ring 7 is integrated laterally into the damper housing 4 at the outer edge of the damper housing 4 on the first housing end face 4b. The interfaces 10 with the receptacles 8 are arranged with their central axes 8a circumferentially around the edge of the damper housing 4 such that an imaginary plane through these central axes 8a runs parallel to the first housing end face 4b of the damper housing 4 and lies approximately in the plane of the first housing end face 4b of the damper housing 4. A connecting section 18a between the integrated interface ring 7 and the damper housing 4 is located approximately in the area of ​​the closed wall of the working chamber 4a.

[0111] The interface ring 7, thus integrated into the damper housing 4, protrudes axially from the first housing end face 4b of the damper housing 4 with a circumferential ring wall 18, whereby a weight-optimized contour is possible.

[0112] Figure 17 shows a schematic partial sectional view of a seventh variant of the embodiment of the damping unit 3 according to the invention.

[0113] Figure 18 shows a schematic perspective view of the seventh variant according to Figure 17.

[0114] The seventh variant includes a further weight-optimized contour of the interfaces 10 of the interface ring 7 integrated into the damper housing 4 on the side of the outer edge of the damper housing 4.

[0115] Of the interfaces 10, only interface domes 19 protrude partially around the first housing end face 4b of the damper housing 4.

[0116] It is conceivable that two interface rings 7 can be attached to the damper housing 4. For example, one interface ring 7 on the first housing end face 4b and one interface ring 7' on the second housing end face 4c of the damper housing. Tandem arrangements are also theoretically possible, i.e., two interface rings 7 together on one end face of the damper housing 4.

[0117] It is also conceivable that a bolt is used instead of the receptacles 8 of the interfaces 10 in the form of a bore. In this case, the interface end 9a of the lever element 9 is tubular in shape, corresponding to this bolt or to the shape of this bolt. For example, the lever element 9 can be a tube.

[0118] Furthermore, it is possible that the cross-section of the recordings 8 of the interfaces 10 including the cross-section of the interface end 9a of the lever element 9 may be oval, square or polygonal or similarly designed.

[0119] It is also conceivable that the receptacles 8 are arranged axially parallel to the axis of rotation 11 on the first housing end face 4b and / or the second housing end face 4c of the damper housing 4. The receptacles 8 may have bores or protruding shapes.

[0120] This requires an actuating element 9, which has two individual ends that are angled at 90° at the interface end 9a of the actuating element 9 in order to interact with two such axial interfaces 10 to enable rotation of the damper unit 3 about the axis of rotation 11. This is not shown, but is easily imaginable.

[0121] The invention described above offers further advantages, such as…

[0122] • Optimized use of installation space to achieve as much installation space as possible for the secondary mass (flywheel ring 5).

[0123] • A weight-optimized design

[0124] • A modular option for the interfaces 10 with the mounts 8, as a modular use for various dampers integrated into a flywheel (damping units 3) is conceivable.

[0125] • The lever elements 9 can be disassembled while the damping unit 3 is installed.

[0126] • At very low and / or high torsional vibration frequencies, the damping unit 3 still behaves like a flywheel.

[0127] • The recordings 8 of the interfaces 10 can also be used to balance the damping unit 3.

[0128] • A cost advantage arises because the damper and flywheel are combined in a single component. The invention is not limited by the exemplary embodiment described above with the variants described, but can be modified within the scope of the claims.

[0129] Reference symbol list

[0130] 1 drive unit

[0131] 2 working machine

[0132] 2a wave

[0133] 3 Damping unit

[0134] 4 damper housings

[0135] 4a Chamber of Labour

[0136] 4b, 4c Front of housing

[0137] 4D flange

[0138] 4e bore

[0139] 4f Housing exterior

[0140] 5 Swing ring

[0141] 6 lids

[0142] 6a Lid fastening element

[0143] 6b Lid end

[0144] 7, T interface ring

[0145] 7a Fastening element

[0146] 7b, 7'b; 7c, 7'c ring face

[0147] 7d Plant section

[0148] 7e Outer ring

[0149] 7f, 7'f inner ring

[0150] 8th recording

[0151] 8a Central axis

[0152] 9 Lever element

[0153] 9a Interface end

[0154] 9b Lever end

[0155] 10 Interface

[0156] 11 axis of rotation

[0157] 12th edition section

[0158] 13 lead

[0159] 14, 14a, 14b recess

[0160] 15, 15a Interface ring element

[0161] 16 clamp element

[0162] 16a Mounting surface

[0163] 16b Fastening section

[0164] 16c Fastener

[0165] 16d Underside 17a Inner wall

[0166] 17b Exterior wall

[0167] 17c Floor wall

[0168] 17d Underside 17e Fastening element

[0169] 17f Plant area

[0170] 18 Ring wall

[0171] 18a Connecting section

[0172] 18b Front side 19 Interface dome

[0173] 20 Lifting borehole

[0174] 100 arrangement

Claims

Claims 1. Damping unit (3) for torsional vibrations, designed as a damper integrated in a flywheel, comprising a damper housing (4), a flywheel ring (5) rotatably arranged in a working chamber (4a) of the damper housing (4) about an axis of rotation (11) of the damping unit (3), and a cover (6) that closes the working chamber (4a), characterized in that at least one interface (10), each having a receptacle (8) for a removable lever element (9), is attached laterally to an outer diameter of a housing end face (4b, 4c) of the damper housing (4).

2. Damping unit (3) according to claim 1 , characterized in that each of the receiving (8) of the at least one interface (10) is a radial or an axial receiving (8).

3. Damping unit (3) according to one of the preceding claims, characterized in that each receiving (8) has a circular, oval, rectangular, polygonal or the like cross-section.

4. Damping unit (3) according to one of the preceding claims, characterized in that the at least one interface (10) is connected to an interface ring (7), wherein the interface ring (7) is attached to an end face (4b, 4c) of the damper housing (4) coaxially to the axis of rotation (11).

5. Damping unit (3) according to claim 4, characterized in that the interface ring (7) is designed as a profile ring (17).

6. Damping unit (3) according to claim 5, characterized in that the profile ring (17) has a U-profile with two coaxial walls (17a, 17b) and a bottom wall (17c), wherein the profile ring (17) is attached to the end face (4b, 4c) of the damper housing (4) with the bottom wall (17c).

7. Damping unit (3) according to one of claims 4 to 6, characterized in that the end face (4b, 4c) of the damper housing (4) and / or a cover end face (6b) of the cover (6) of the damper housing (4) has an axial projection (13) and / or pins, wherein the projection (13) and / or the pins form a centering for the interface ring (7) or the profile ring (17).

8. Damping unit (3) according to one of claims 1 to 3, characterized in that the interface ring (7) with the interfaces (10) is formed integrally with the damper housing (4), is arranged laterally on an outer edge of the damper housing (4) and partially projects axially with a circumferential ring wall (18).

9. Damping unit (3) according to one of claims 1 to 3, characterized in that the interfaces (10) are each formed integrally with the damper housing (4), are arranged laterally on an outer edge of the damper housing (4) and each protrude axially with an interface dome (19).

10. Damping unit (3) according to one of claims 1 to 3, characterized in that the interfaces (10) are designed as clamps (16) with a respective receptacle (8) and are arranged circumferentially on an outer edge of the damper housing (4), wherein an axial projection (13) and / or pins form a centering of the clamps (16).

11. Damping unit (3) according to one of the preceding claims, characterized in that lifting bores (20) are arranged on the circumference of the damper housing (4) which extend radially outwards in the damper housing (4) and are open to an outer surface (4f) of the damper housing (4).

12. Damping unit (3) according to claim 11, characterized in that at least two lifting bores (20) are arranged diametrically on the circumference of the damper housing (4).

13. Damping unit (3) according to claim 11 or 12, characterized in that the lifting bores (20) are arranged such that they are located in the center of gravity plane of the damping unit (3) or at a small axial distance from the center of gravity plane of the damping unit (3), wherein this axial distance is in a range of about one third to to one seventh of an axial total damper width, i.e. the total width of the damping unit (3).

14. Arrangement (100) comprising a drive unit 1 and a working machine 2 and a common shaft (2a), characterized in that the arrangement (100) comprises a damping unit (3) according to one of the preceding claims.

15. Arrangement (100) according to claim 14, characterized in that the damping unit (3) is arranged in series with the drive unit 1 and the working machine 2 on the common shaft (2a) in a rotationally fixed manner.

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