Connector, linear drive, steering system and vehicle

Abstract

Connector (2) for connecting a coupling element (34) to a nut (30) of a linear unit (22), with a body (4) having a first fastening section (6) for mounting on a nut (30) of a linear unit (22) and a second fastening section (8) for mounting on a coupling element (34), wherein the body (4) is designed such that the first fastening section (6), when mounted on the nut (30), together with the second fastening section (8), lies essentially on a transverse axis (Q) of the body (4) that is perpendicular to the axis of movement (X) of the nut (30), and the body (4) is designed in the first fastening section (6) for pivotable mounting on the nut (30).

Description

The present invention relates to a connector for connecting a coupling element to a nut of a linear unit, a linear drive having such a connector, a steering system having such a linear drive and a vehicle having such a steering system.Linear movements, for example for actuating machine parts, can be generated with the aid of linear drives. Such linear drives can have, for example, a linear unit, by means of which a rotational movement of a motor shaft can be converted into a translatory movement. Another known embodiment of linear drives are hydraulic cylinders.Electromechanical linear drives which have a linear unit are advantageous with respect to hydraulic cylinders, inter alia with regard to their efficiency, rigidity and positionability. Moreover, they can be operated without hydraulic medium or oil. However, the linear unit takes up a certain installation space, so that linear drives with a linear unit usually have a poorer ratio of total length to stroke (for short: stroke length ratio) than hydraulic cylinders. In particular, the problem arises of connecting a component to be moved to a nut of the linear unit in a space-saving manner. Usually, as in DE 10 2018 119 977 A1, for example, this is done via a push rod which is fastened to the nut and moves out of a housing of the linear actuator during a translation movement of the nut. Hydraulic cylinders used in installation space-critical applications, for example in vehicles, for example in forklifts, tractors and aircraft tractors, lifting platforms or personnel lifts, agricultural machines or other mobile applications, cannot therefore be replaced without effort by electromechanical linear drives.JP 2010-126115 A discloses an electric control device in which drive transmission means transmits axial movement of a ball screw nut to a control rod. Elastic members disposed between the control rod and the ball screw nut bias the control rod with respect to a neutral position.JP 2003-118 597 A discloses a vehicle control device in which a support arm is non-rotatably supported on a ball screw nut and a handlebar. The handlebar and the support arm are integrally formed.It is an object of the invention to improve, in particular to make more compact, the connection of a coupling element to the nut of a linear unit.This object is achieved by a connector for connecting a coupling element to a nut of a linear unit, a linear drive, a steering system and a vehicle according to the independent claims.Preferred embodiments are the subject matter of the dependent claims and of the following description.A first aspect of the invention relates to a connector for, in particular mechanically, connecting a coupling element to a nut of a linear unit, in particular a ball screw. A body of the connector preferably has, at a first end of the body, a first fastening portion for mounting to a nut of a linear unit. The body also has, in particular at a second end opposite the first end, a second fastening section for mounting on the coupling element, in particular in such a way that the coupling element runs parallel to the movement axis. The body is expediently designed in such a way that the first fastening section, when mounted on the nut, together with the second fastening section, lies substantially on a transverse axis of the body perpendicular to the movement axis of the nut.A coupling element in the sense of the invention is preferably a component or a module which is provided for coupling an external load to the nut, in particular the linear drive comprising the nut. The coupling element is expediently rod-like. It can pass through a housing in which the nut, in particular the linear drive, is arranged in order to transmit a movement carried out by the nut to the load. The coupling element is preferably a steering rod, sometimes also referred to as a tie rod, of a steering system, in particular of a steering knuckle steering system.One aspect of the invention is based on the approach of providing a direct, in particular rigid and direct, connection between the nut of a linear unit and a coupling element provided for movement with the nut. For this purpose, a connector is provided which is formed substantially by a one-piece or multi-piece body. The body can be elongated, but other shapes are also conceivable in principle. The body is expediently designed in such a way that a first end of the body can be mounted on the nut, while the opposite second end can be mounted on the coupling element. The body can thereby be arranged essentially, at least for the most part, between the nut and the coupling element.Expediently, the body has a first fastening portion which is designed for mounting on the nut. Accordingly, the body also has a second fastening section which is designed for mounting on the coupling element. Expediently, when mounted on the nut and the coupling element, the body extends between the first and second fastening sections substantially transversely to an axis of movement of the nut. Consequently, the connector enables a shorter connection between the nut and the coupling element than can be realized via a conventional push tube.The axial extents of the body and nut are preferably substantially the same or at least similar. For example, the first fastening portion can be formed in such a way that the body, when mounted on the nut, essentially does not project beyond the nut, or projects only slightly, for example only with 10% or less of its axial extent. Particularly preferably, the body is even formed to be shorter axially than the nut. As a result, the connector does not build up axially, which enables a linear drive of at least axially compact construction.The terms axial and / or radial preferably relate to the movement axis of the nut of the linear unit. The movement axis of the nut expediently corresponds to a longitudinal axis of the linear unit, in particular to an axis of rotation of a shaft of the linear unit operatively connected to the nut, for example a screw or (threaded) spindle.With the aid of such a connector, a connection can also be produced between the coupling element and the nut, in which a center of gravity of the coupling element is located axially at the same height as the nut and the connector is mounted on the coupling element in the region of this center of gravity. For example, the connector can be mounted centrally on the coupling element, so that the coupling element is arranged symmetrically with respect to the nut.By means of the connector, a stroke length ratio can thus be achieved as in the case of a hydraulic cylinder. When used in a drive-by-wire system, a hydraulic cylinder can thus be replaced, at least with regard to the required installation space, in principle by a linear drive with the connector according to the invention.The connector also enables a better, in particular direct, force transmission from the nut to the coupling element or vice versa, in particular if the connector is mounted centrally on the coupling element or in the region of its center of gravity. If necessary, the moments acting on the nut can thereby be reduced.Preferred embodiments of the invention and their developments are described below. These embodiments can each be combined with one another as desired, unless this is explicitly excluded, and with the aspects of the invention described below.According to the invention, the body is designed in the first fastening section for pivotable mounting on the nut. The body can be mounted in particular such that it can be pivoted about a pivot axis running transversely to the movement axis. As a result, torques on the nuts resulting from axial forces acting on the coupling element can be absorbed. For example, tilting of the nut relative to the shaft operatively connected to the nut and a force transmission from the nut to the shaft occurring as a result inhomogeneous along the movement axis can be counteracted. Finally, the pivotable mounting has a positive effect on the service life of the nut and / or the shaft.In a further preferred embodiment, the body is formed in the first fastening section for at least partially receiving the nut. Alternatively or additionally, the body is preferably at least partially surrounded by the nut or the coupling element in the second fastening section for at least partial reception. For example, the nut or the coupling element can be at least partially inserted into the body. This allows a firm fit of the body on the nut or the coupling element to be achieved. In particular, it can be ensured that forces transmitted by means of the connector act homogeneously on the nut or the coupling element.The at least partial reception of the nut in the first fastening portion also allows the body to be pivoted with respect to the center of the nut. In addition, a lateral fastening of the body to the nut can thus be made possible.In a further preferred embodiment, the first fastening portion has an axial first bore for at least partially receiving the nut. Alternatively or additionally, the second fastening section can have an axial second bore for at least partially receiving the coupling element. As a result, the nut or coupling element inserted into the first or second bore can be protected by the body and optionally secured against rotation.In a further embodiment, the first bore is formed in the first fastening portion such that the nut has play therein. The first bore in the first fastening portion can be formed in particular with a clearance fit with respect to the nut. A clearance is preferably an at least slight movability of the nut in the first bore. In other words, the nut is expediently mounted or storable, in particular pivotable, movably in the first bore. As a result of the play, with the advantages already mentioned above, the transmission of a tilting moment from the nut to the shaft can consequently be prevented or at least reduced.In a further preferred embodiment, the body has in the first fastening section two mutually opposite first journals, about which the body can be pivotably mounted on the nut. Alternatively, the body can have two mutually opposite pin receptacles in the first fastening section. The pin receptacles are expediently provided for receiving corresponding first pins of the nut for the pivotable mounting of the body on the nut. The pivot axis can be defined by such first journals or journal receptacles. The first journals or journal receptacles allow a reliable pivotable mounting of the body on the nut, with the advantages already mentioned above.In a further preferred embodiment, the body is configured in the second fastening section for the pivotable mounting of the coupling element. The body can be formed in the second fastening section for the pivotable mounting of the coupling element, in particular about a pivot axis running transversely to the movement axis. It is also conceivable for the coupling element to be a divided coupling element, wherein at least two parts of the coupling element are mounted on the body such that they can be pivoted separately.The pivotable mounting of the coupling element allows a dynamic connection of the coupling element to the nut. For example, a divided steering rod of a steering system can be connected separately to the nut, so that the steering rod no longer has to extend rigidly parallel to the axis of movement of the nut, but rather the two parts of the steering rod can be tilted relative to the axis of movement.In a further preferred embodiment, the body has in the second fastening section at least one second pin, about which the coupling element can be pivotably mounted. Alternatively, the body can have at least one pin receptacle in the second fastening section. The pin receptacle is expediently provided for receiving a corresponding second pin of the coupling element for the pivotable mounting of the coupling element on the body. The pivot axis can be defined by such a second pin or a pin receptacle. The second pin or pin receptacle allows a reliable pivotable mounting of the coupling element on the body.A second aspect of the invention relates to a linear drive having a linear unit which has a shaft and a nut running on the shaft. The nut is expediently axially movable by rotation of the shaft. The linear actuator also includes a nut-mounted connector according to the first aspect of the invention.The linear unit is preferably designed as a ball screw. The shaft is then expediently designed as a spindle with helical raceways for balls, by means of which the nut rolls on the spindle. However, a linear unit designed as a planetary screw drive is also conceivable in principle. The shaft is then expediently designed as a screw with a thread for engaging into threads of planetary rollers. In principle, however, the shaft can also be a screw onto which the nut is directly screwed.The linear drive can be particularly compact axially due to the connector. In particular, a push tube can be dispensed with. Consequently, a stroke length ratio comparable to a double-acting hydraulic cylinder can be achieved. Such a linear drive can consequently be used advantageously in steering systems, for example for forklifts, tractors, airport vehicles, work platforms such as scissor lifts or mast lifts, agricultural machines and / or the like.In a preferred embodiment, the linear drive has a housing in which the shaft is rotatably mounted and the nut is movably mounted on the shaft. Preferably, the housing also houses the connector, in particular completely. Alternatively or additionally, the housing is also designed for the movable mounting and / or guiding of a coupling element, in particular a steering rod, connected to the nut by means of the connector.Radial forces, i.e. forces acting perpendicularly to a longitudinal axis of the coupling element, can be absorbed by the housing by the housing. A load on the linear unit can be avoided or at least reduced. Torques acting on the nut, which result from axial forces on the coupling element, can be prevented or at least reduced in a particularly advantageous manner by a pivotable mounting of the body on the nut. This can significantly increase the life of the linear unit.In addition, the housing of the connector by the housing can be advantageous with regard to protection, for example by seals and so-called "scrapers" on the housing. In addition, the enclosure of both the linear unit and the connector allows a robust and possibly also modular design. For example, different drives or gears can be coupled to the linear unit by a fastening on the housing.A third aspect of the invention relates to a steering system having at least one linear drive according to the second aspect of the invention. The steering system has a steering system, in particular a steering knuckle steering system. In this case, a component of the steering system, in particular a steering rod, is mounted on the nut of the linear drive by means of the connector.This makes it possible to make the steering system particularly compact. The use of the linear actuator may increase efficiency as compared to hydraulic actuated steering systems. In particular, the service life of the nut and / or of the shaft can be increased compared to steering systems with conventional coupling of the nut and the steering rod, since radial forces can be absorbed at least almost completely by way of slide bearings of the steering rod from the housing of the linear drive and are not transmitted to the nut due to the complete enclosure of the connector.In a preferred embodiment, the steering rod is mounted symmetrically, for example in a region of its center of gravity or in its center, on the nut of the linear drive by means of the connector, such that the longitudinal rod runs substantially parallel to the shaft of the linear drive. Such an assembly of the longitudinal rod takes up significantly less installation space than the connection of the longitudinal rod to the nut via a push tube.In a further preferred embodiment, the steering rod is designed as a divided steering rod. In particular, the steering rod can act as a track rod, in particular if it is pivotably mounted on the connector or the body.A fourth aspect of the invention relates to a vehicle having a steering system according to the third aspect of the invention. Such a vehicle may be operated more efficiently than hydraulically operated steering vehicles. In addition, more precise steering settings can be achieved.The invention is explained in more detail below with reference to figures. Where appropriate, elements having the same effect are provided with the same reference numerals herein. The invention is not limited to the exemplary embodiments shown in the figures-also not with respect to functional features. The previous description as well as the following description of the figures contain numerous features which are reproduced in the dependent claims, partly combined to several features. However, a person skilled in the art will also consider these features and all other features disclosed above and in the following description of the figures individually and combine them to form meaningful further combinations. In particular, all the features mentioned can be combined individually and in any suitable combination with the connector according to the first aspect of the invention, the linear drive according to the second aspect of the invention, the steering system according to the third aspect of the invention and the vehicle according to the fourth aspect of the invention.They show, at least partially schematically: FIG. 1 shows an example of a connector; FIG. 2 shows an example of a linear drive; FIG. 3 is an example of a pivotable connector in a side view; FIG. 4 shows the connector from FIG. 3 in a cross-sectional illustration; FIG. 5 shows an example of a connector for the pivotable mounting of a coupling element; and FIG. 6 illustrates an example of a vehicle with a steering system.FIG. 1 shows an example of a connector 2 for connecting a coupling element (not shown) to a nut (not shown) of a linear unit in a side view. The connector 2 has a body 4 with a first fastening section 6 for mounting on the nut and a second fastening section 8 for mounting on the coupling element.Expediently, the connector 2 is designed for at least partially receiving the nut and the coupling element. For this purpose, the body 4 has in the first fastening section 6 a first bore 10, indicated by dashed lines, which runs axially - i.e. parallel to the movement axis X - through the body 4. In this first bore 10, the nut can preferably be arranged with some play, so that the body 4 can be pivoted or tilted at least slightly with respect to the nut, in particular about a pivot axis S transverse to the movement axis X.Preferably, the body 4 is correspondingly provided in the second fastening section 8 with a second bore 12, indicated by dashed lines, for receiving the coupling element. The second bore 12 expediently runs parallel to the first bore 10 in the first fastening section 6 and thus axially through the body 4. The parallel course of the first and second bores 10, 12 in the first and second fastening sections 6, 8 makes it possible to ensure that the coupling element, when connected to the nut via the connector 2, is oriented parallel to the nut or the movement axis X.The body 4 is preferably designed in such a way that a center of gravity of the body 4 or the center of the body M is located between the first and second fastening sections 6, 8, and thus-in use-between the nut and the coupling element. This is particularly space-saving. The coupling element can thus moreover be held at a predefined distance predetermined by a length L of the body 4.When mounted on the nut, the body 4 extends substantially parallel to a transverse axis Q perpendicular to the movement axis X. Expediently, the extent of the body 4 along the transverse axis Q is greater than along a longitudinal axis (not shown) aligned parallel to the movement axis X.With respect to the transverse axis Q, the body 4 has a first end 14 and an opposite second end 16. The first fastening portion 6 is arranged at the first end 14 of the body 4, while the second fastening portion 8 is arranged at the second end 16.FIG. 2 shows an example of a linear drive 20 with a linear unit 22 for converting a rotational movement, for example a motor shaft 24 of a motor 26, into a translatory movement along a movement axis X. For this purpose, the linear unit 22 has a shaft 28, for example a screw or a (threaded) spindle, and a nut 30 running on the shaft 28. The linear unit 22 is arranged in a housing 32, which also encloses a connector 2 for connecting a coupling element 34 to the nut 30.The shaft 28 is rotatably mounted in the housing 32 by means of a bearing arrangement 36. The shaft 28 is operatively connected to a position encoder 38 for determining the position of the nut 30.In the example shown, the motor 26 is connected to the shaft 28 via a transmission 40 in a so-called "U-configuration". The transmission 40 is located in a transmission box 42 which is connected to the housing 32. Alternatively, the motor 26 can also be oriented in a so-called "L configuration" or, if appropriate, also directly connected to the shaft 28 in a so-called "inline configuration".The connector 2 has a body 4 which is mounted on the nut 30 in a first fastening section 6 and on the coupling element 34 in a second fastening section 8. In the present example, the body 4 is formed such that it does not axially project beyond the nut 30. Alternatively, however, the body 4 can also have an axial extent which is at least slightly greater, for example 10% or less, than the axial extent of the nut 30.Expediently, the housing 32 has an opening 46 on each of two mutually opposite sides, which can be penetrated by the coupling element 34. As a result, it is not only possible to mount the body 4 on the coupling element 34 in the interior of the housing 32, but also to guide a movement of the coupling element 34 by means of the housing 32. In particular, the coupling element 34 can be supported radially on the housing 32.At the openings 46, the linear drive 20 expediently has bearings 48 for the movable mounting of the coupling element 34, for example in the form of sliding rings. These bearings 48 expediently serve to absorb radial forces acting on the coupling element 34. Consequently, a transmission of the radial forces via the connector 2 to the nut 30 or the shaft 28 can thus be avoided or at least significantly reduced.Alternatively or additionally, sealing means (not shown) for sealing the housing interior from the environment can also be provided on the openings 46, for example in the form of so-called "scrapers". Under certain circumstances, these scrapers can also be configured to prevent or at least reduce a leakage of lubricant from the housing 32.FIG. 3 shows an example of a connector 2 for connecting a nut 30 to a coupling element 34 within a housing 32 of a linear drive (not shown in greater detail) in a side view. A body 4 of the connector 2 is mounted on the nut 30 at a first fastening portion 6 at a first end 14 of the body 4 and on the coupling element 34 at a second fastening portion 8 at a second end 16 of the body 4. For (sliding) mounting on the housing 32, the connector 2 can have sliding elements 44 at the first end 14 of the body 4. Accordingly, the connector 2 can also have sliding elements 44 at the second end 16.The body 4 is mounted on the nut 30 such that it can be pivoted about a pivot axis S perpendicular to the plane of the drawing in the first fastening section 6, as is indicated by the double arrow. This is explained in more detail below in connection with FIG. 4.The body 4 is mounted on the coupling element 34 by fastening means 50. In the example shown, the fastening means 50 are designed as screws; in principle, however, other fastening means can also be provided or the mounting of the body 4 on the coupling element 34 can be carried out differently.FIG. 4 shows an example of the connector 2 from FIG. 3 in a cross-sectional illustration.For the pivotable mounting of the body 4 on the nut 30, the connector 2 has in the first fastening section mutually opposite pin receptacles 18, which serve for the accommodation of corresponding first pins 52 of the nut 30. The pin receptacles 18 can be provided as bores or blind holes in the body 4, in particular in the inner wall of a first bore 10 in the body 4 (cf. FIG. 1 ). The pin receptacles 18 are expediently located on both sides of the body 4, so that the pivot axis S defined by them is oriented transversely to the movement axis X, and preferably also transversely to a transverse axis Q (cf. FIG. 1 ), i.e. to the longitudinal extent of the body 4.To improve the swivelability, the pin receptacles 18 can comprise, as shown in the present example, bearing means for bearing the first pins 52.In principle, the pivotable mounting of the nut 30 on the body 4 can also be achieved in that the body 4 has the first journals 52, while the journal receptacles 18 are provided on the nut 30.Due to the pivotable mounting of the body 4 on the nut 30, forces acting axially on the coupling element 34, which would cause a tilting moment on the nut 30, can be absorbed. In particular, inhomogeneous force transmission from the nut 30 to the shaft 28 resulting from such a moment can be avoided.The body 4 preferably has a "dog bone shape" in cross section. This means that the body 4 tapers in the region around its body center M opposite its two ends 14, 16. This shape allows a precise guidance of the connector 2 in the housing 32. By being mounted on the nut 30, the body 4 guided by the housing 32 can prevent the nut 30 from turning along when the shaft 28 rotates. Consequently, no dedicated guide, for example in the form of a rail or groove, needs to be provided on the housing 32.FIG. 5 shows an example of a connector 2 for pivotably mounting a coupling element 34. a body 4 of the connector 2 is mounted in a first fastening section 6 with a nut 30 running on a shaft 28 and in a second fastening section 8 on the coupling element 34.The connector 2 has in the second fastening section 8 at least one, in the example shown two, second pins 62 which engage in corresponding pin receptacles (which for reasons of clarity are not denoted by a reference sign) of the coupling element 34. The second pins 62 each define a pivot axis about which the coupling element 34 is pivotable. In the present example, the coupling element 34 is designed as a divided coupling element, wherein each part is pivotably mounted on the body 4. The parts of the coupling element 34 can be tie rods of a steering system, for example.FIG. 6 shows an example of a vehicle 54, for example a forklift, a lift truck / a movable working platform and / or the like, having at least one steering system 56. In this case, a component of the steering 58, in the present case a steering rod ( 60), is connected as coupling element 34 by means of a connector, not shown, to a nut, likewise not shown, of the linear drive 20. The use of the connector makes it possible to dispense with an otherwise customary push rod and thus makes it possible to achieve a symmetrical arrangement of the linear drive 20 and the steering rod 60 in a space-saving manner with respect to a vehicle longitudinal axis drawn in dash-dot lines in FIG. 6. This can be achieved in particular by a central mounting of the connector on the steering rod 60, i.e. a mounting in the region of the center of the steering rod 60. In particular, no free space for a push tube extendable from a housing of the linear drive 20 has to be provided in the vehicle 54. At the same time, the connection between the steering rod 60 and the nut can be provided in a protected manner in this housing (cf. FIG. 2 ). The steering rod 60 can also be a divided steering rod 60 (cf. FIG. 5 ).List of reference characters2 Connector 4 body 6, 8 first, second fastening section 10, 12 first, second bore 14, 16 first, second end 18 pin receptacle 20 linear drive 22 linear unit 24 motor shaft 26 motor 28 shaft 30 nut 32 housing 34 coupling element 36 bearing arrangement 38 position encoder 40 gear 42 gear box 44 sliding element 46 opening 48 bearing 50 fastening means 52, 62 first, second pin 54 vehicle 56 steering system 58 steering 60 steering rod X movement axis S pivot axis M body center Q transverse axis L length

Claims

Connector (2) for connecting a coupling element (34) to a nut (30) of a linear unit (22), having a body (4) having a first fastening section (6) for mounting on a nut (30) of a linear unit (22) and a second fastening section (8) for mounting on a coupling element (34), wherein the body (4) is designed such that, when mounted on the nut (30), the first fastening section (6) together with the second fastening section (8) lies substantially on a transverse axis (Q) of the body (4) perpendicular to the axis of movement (X) of the nut (30), and the body (4) is designed in the first fastening section (6) for pivotable mounting on the nut (30).Connector (2) according to claim 1, wherein the body (4) is formed in the first fastening section (6) for at least partially receiving the nut (30) and / or in the second fastening section (8) for at least partially receiving the coupling element (34).Connector (2) according to one of the preceding claims, wherein the first fastening portion (6) has an axial first bore (10) for at least partially receiving the nut (30) and / or the second fastening portion (8) has an axial second bore (12) for at least partially receiving the coupling element (34).The connector (2) according to claim 3, wherein the first bore (10) is formed in the first fixing portion (6) such that the nut (30) has play therein.Connector (2) according to one of the preceding claims, wherein the body (4) in the first fastening section (6) has two mutually opposite first journals (52) or journal receptacles (18), about which the body (4) can be pivotably mounted on the nut (30).Connector (2) according to one of the preceding claims, wherein the body (4) is formed in the second fastening section (8) for the pivotable mounting of the coupling element (34).Connector (2) according to one of the preceding claims, wherein the body (4) has in the second fastening section (8) at least one second pin (62), about which the coupling element (34) can be pivotably mounted, or a pin receptacle, in which the coupling element (34) is pivotably mounted.Linear drive (20) having a linear unit (22), in particular a ball screw, which has a shaft (28) and a nut (30) running on the shaft (28) and which is axially movable by rotation of the shaft (28), and a connector (2) according to one of the preceding claims mounted on the nut (30).Linear drive (20) according to Claim 8, having a housing (32) in which the shaft (28) is mounted rotatably and the nut (30) is mounted movably on the shaft (28), wherein the housing (32) also houses the connector (2) and the housing (32) is designed for the movable mounting and / or guidance of a coupling element (34), in particular a steering rod, connected to the nut (30) by means of the connector (2).Steering system (56) having a linear drive (20) according to Claim 8 or 9 and a steering system (58), in particular a steering knuckle steering system, wherein a steering rod (60) of the steering system (58) is mounted on the nut (30) of the linear drive (20) by means of the connector (2).Steering system (56) according to claim 10, wherein the steering rod (60) is mounted centrally on the nut (30) of the linear drive (20) by means of the connector (2), such that the steering rod (60) runs substantially parallel to the shaft (28) of the linear drive (20).The steering system (56) of claim 11, wherein the steering rack (60) is configured as a split steering rack.Vehicle (54) having at least one steering system (56) according to one of Claims 10 to 12.

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