Steering drive and vehicle having the same

Abstract

The utility model discloses a kind of steering driver and vehicle with it, it is related to steering gear technical field.Steering driver includes driving piece, transmission mechanism, shell, bung, transmission mechanism is drivingly connected with driving piece, shell defines out and is formed with the communication hole being communicated with the accommodation space, transmission mechanism includes: multiple transmission assemblies, multiple transmission assemblies are sequentially drivingly connected, at least one transmission assembly is accommodated in accommodation space and includes transmission shaft, communication hole corresponds with transmission shaft, bung is detachably arranged in shell and covers communication hole.Thus, by setting detachable bung, bung can be disassembled when the transmission gap between two transmission assemblies needs to be measured, so as to facilitate the external angle detector to be inserted into communication hole and installed on transmission shaft, and bung can cover communication hole, to reduce the risk that foreign matter enters accommodation space and affects the normal operation of each component in accommodation space, to improve the use reliability of steering driver.

Description

Technical Field

[0001] This utility model relates to the field of steering technology, and in particular to a steering drive and a vehicle having the same. Background Technology

[0002] As the automotive industry accelerates its transformation towards electrification and intelligentization, steering actuators, as a solution for four-wheel steering systems, are gradually becoming crucial for solving four-wheel steering problems. In different environments with varying temperatures, gears expand and contract with temperature changes. To prevent gear jamming, there is a transmission gap between gears. However, excessive transmission gap can cause abnormal noise, while insufficient gap can compromise transmission safety. Therefore, measuring the transmission gap between two gears is critical. However, the structural design of steering actuators in related technologies is often flawed, making measurement difficult and resulting in significant operational challenges in measuring the safety of steering actuators. Utility Model Content

[0003] The present invention aims to at least solve one of the technical problems existing in the prior art. To this end, one object of the present invention is to provide a steering drive that is provided with a removable cover so that when it is necessary to measure the transmission clearance between two transmission components, the cover can be removed to install an external angle detector on the drive shaft, and the cover can cover the connecting hole to protect the components within the housing space.

[0004] This invention further proposes a vehicle having the aforementioned steering drive.

[0005] A steering drive according to an embodiment of the present invention includes: a driving member and a transmission mechanism, the transmission mechanism being drively connected to the driving member; a housing and a cover, the housing defining a receiving space and forming a communicating hole communicating with the receiving space; the transmission mechanism including: a plurality of transmission components, the plurality of transmission components being drively connected in sequence, at least one of the transmission components being received in the receiving space and including a transmission shaft, the communicating hole corresponding to the transmission shaft; and the cover being detachably disposed on the housing and covering the communicating hole.

[0006] According to an embodiment of the present invention, a steering drive is provided with a removable plug. When it is necessary to measure the transmission gap between two transmission components, the plug can be removed so that an external angle detector can be inserted into the connecting hole and installed on the transmission shaft. Furthermore, the plug can cover the connecting hole to reduce the risk of foreign objects entering the receiving space and affecting the normal operation of the components in the receiving space, thereby improving the reliability of the steering drive.

[0007] According to some embodiments of the present invention, along the axial direction of the transmission shaft, the end of the transmission shaft near the corresponding connecting hole is constructed as a mating end, and the mating end has a mating surface, which is constructed as a plane.

[0008] According to some embodiments of the present invention, there are multiple mating surfaces, and the multiple mating surfaces are constructed into at least one set of mating surfaces. The set of mating surfaces includes two mating surfaces that are radially spaced and corresponding along the transmission shaft.

[0009] According to some embodiments of the present invention, the plug has a first snap-fit ​​portion, and the inner wall of the connecting hole has a second snap-fit ​​portion, wherein the first snap-fit ​​portion and the second snap-fit ​​portion engage in a snap-fit ​​cooperation.

[0010] According to some embodiments of the present invention, the steering drive further includes: a seal, wherein a groove is formed on the outer wall of the plug or the inner wall of the connecting hole, a portion of the seal is received in the groove, and the seal is sealed between the plug and the inner wall of the connecting hole.

[0011] According to some embodiments of this utility model, the groove and the sealing element are both constructed as annular and are compatible with each other.

[0012] According to some embodiments of the present invention, the plurality of transmission components include: a first transmission component, a second transmission component, and a third transmission component, wherein the first transmission component is transmissionally connected to the driving member, the second transmission component is transmissionally connected between the first transmission component and the third transmission component, and the second transmission component includes the transmission shaft.

[0013] According to some embodiments of the present invention, there are multiple second transmission components, which are sequentially connected and driven along the power transmission path. The second transmission components at both ends are respectively connected to the first transmission component and the third transmission component. There are multiple connecting holes, and each of the multiple connecting holes corresponds to one of the multiple transmission shafts.

[0014] According to some embodiments of the present invention, there are multiple drive shafts and multiple connecting holes, which correspond one-to-one. The multiple drive shafts are arranged in parallel and along the axial direction of the drive shafts. The multiple connecting holes are formed at the same end of the housing.

[0015] The vehicle according to an embodiment of the present invention includes a steering drive and wheel hubs. The steering drive is the aforementioned steering drive, and the number of steering drives and wheel hubs are the same and correspond one-to-one. The steering drive is used to drive the corresponding wheel hub to rotate. By providing a removable cover, the cover can be removed when it is necessary to measure the transmission clearance between two transmission components, so that an external angle detector can be inserted into the connecting hole and installed on the drive shaft. Furthermore, the cover can cover the connecting hole to reduce the risk of foreign objects entering the receiving space and affecting the normal operation of the components in the receiving space, thereby improving the reliability of the steering drive.

[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1 This is a schematic diagram of a steering drive according to an embodiment of the present utility model (partial housing omitted); Figure 2 This is a schematic diagram of a steering drive according to an embodiment of the present utility model (the plug is omitted). Figure 3 This is a schematic diagram of a steering drive according to an embodiment of the present utility model (housing omitted). Figure 4 This is a cross-sectional view of the plug and the housing in accordance with an embodiment of the present invention.

[0018] Figure label: Drive component 11; controller 12; plug 15; first snap-fit ​​part 151; groove part 152; seal 16; Transmission mechanism 2; 5. Housing 5; Receiving space 591; Connecting hole 592; Second snap-fit ​​part 5921; Transmission assembly 71; transmission shaft 711; mating end 7111; mating surface 7112; first transmission assembly 72; second transmission assembly 73; third transmission assembly 74; Steering drive 10. Detailed Implementation

[0019] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0020] The following is for reference. Figures 1-4 This invention describes a steering drive 10 according to an embodiment of the present invention and a vehicle having the same.

[0021] like Figures 1-4As shown, the steering drive 10 according to an embodiment of the present invention includes: a drive member 11, a transmission mechanism 2, a housing 5, and a plug 15. The transmission mechanism 2 is connected to the drive member 11. The housing 5 defines a receiving space 591 and forms a connecting hole 592 communicating with the receiving space 591. The transmission mechanism 2 includes: a plurality of transmission components 71, which are connected in sequence. At least one transmission component 71 is received in the receiving space 591 and includes a transmission shaft 711. The connecting hole 592 corresponds to the transmission shaft 711. The plug 15 is detachably disposed on the housing 5 and covers the connecting hole 592.

[0022] The steering actuator 10 can be used to respond to the driver's steering needs. When the driver needs to steer the vehicle, the driver can turn the steering wheel. The steering wheel can be connected to a sensor. The sensor can sense the rotation angle and direction of the steering wheel and transmit the rotation angle and direction information of the steering wheel to the controller 12 in the form of a steering electrical signal. The controller 12 can receive and parse the steering electrical signal and control the drive unit 11 to work, so as to drive the steering actuator 10 to move. The steering actuator 10 can drive the wheels to turn, so as to achieve the effect of vehicle steering.

[0023] The drive component 11 can be configured as a motor, and the transmission mechanism 2 can be configured as a multi-stage reduction mechanism. The transmission mechanism 2 is connected to the drive component 11 in a transmission manner. For example, the transmission mechanism 2 and the drive component 11 can be connected in a transmission manner, but not limited to, direct connection, coupling connection, gear pair connection, etc. The transmission mechanism 2 includes multiple transmission components 71, which are sequentially connected in a transmission manner. The high speed and low torque transmitted from the drive component 11 to the transmission mechanism 2 can be converted into low speed and high torque through the multiple transmission components 71. The transmission mechanism 2 can then transmit the low speed and high torque to the wheels to make the wheels steer.

[0024] like Figure 1 As shown, the housing 5 defines a receiving space 591, in which at least one transmission component 71 is received. The housing 5 protects the components housed within it. Figure 2 As shown, the transmission assembly 71 includes a transmission shaft 711, and the housing 5 has a communication hole 592 that communicates with the receiving space 591. The communication hole 592 is correspondingly provided with the transmission shaft 711. An external angle detector can be inserted into the communication hole 592 to connect the external angle detector to the transmission shaft 711 for measuring the transmission gap between the transmission assemblies 71.

[0025] like Figure 3As shown, the transmission assembly 71 may include a first transmission assembly 72 and a second transmission assembly 73. The following description uses the measurement of the transmission gap between the first transmission assembly 72 and the second transmission assembly 73 as an example. The driving member 11 can be connected to the first transmission assembly 72, and the first transmission assembly 72 can be connected between the driving member 11 and the second transmission assembly 73. The first transmission assembly 72 can be constructed as a worm gear, and the second transmission assembly 73 may include a worm wheel and a transmission shaft 711. The power of the driving member 11 can be transmitted sequentially to the first transmission assembly 72, the worm wheel, and the transmission shaft 711. There is a transmission gap at the meshing point of the worm gear and the worm wheel. An external angle detector can be inserted into the connecting hole 592 to connect the external angle detector to the transmission shaft 711. The external angle detector can be used to measure the rotation angle of the transmission shaft 711, thereby measuring the transmission gap between the first transmission assembly 72 and the second transmission assembly 73.

[0026] As some embodiments of this application, in the process of measuring the transmission gap between the first transmission component 72 and the second transmission component 73, the first transmission component 72 can be locked first, and then an external angle detector can be connected to the transmission shaft 711 of the second transmission component 73. Then, the transmission shaft 711 can be rotated until it can no longer rotate, and the reading of the external angle detector is set to zero. Then, the transmission shaft 711 can be rotated in the opposite direction until it can no longer rotate. At this time, the transmission gap between the first transmission component 72 and the second transmission component 73 can be calculated based on the reading of the external angle detector.

[0027] like Figure 4 As shown, the plug 15 is further detachably disposed on the housing 5. As some embodiments of this application, the plug 15 can be screwed or snapped onto the housing 5. The plug 15 can be used to cover the connecting hole 592 to reduce the risk of foreign objects (e.g., water, dust, etc.) entering the receiving space 591 and affecting the normal operation of the components in the receiving space 591, thereby improving the reliability of the steering drive 10. When it is necessary to measure the transmission clearance between the two transmission components 71, the plug 15 can be removed to facilitate the installation of an external angle detector. This arrangement is reasonable and convenient to operate.

[0028] In the above embodiment, by providing a removable plug 15, the plug 15 can be removed when it is necessary to measure the transmission gap between the two transmission components 71, so that an external angle detector can be inserted into the communication hole 592 and installed on the transmission shaft 711. In addition, the plug 15 can cover the communication hole 592 to reduce the risk of foreign objects entering the receiving space 591 and affecting the normal operation of the components of the receiving space 591, thereby improving the reliability of the steering drive 10.

[0029] In some embodiments of this application, such as Figure 2 and Figure 3As shown, along the axial direction of the drive shaft 711, the end of the drive shaft 711 near the corresponding connecting hole 592 is constructed as a mating end 7111, and the mating end 7111 has a mating surface 7112, which is a plane.

[0030] Along the central axis of the drive shaft 711, the end of the drive shaft 711 closest to the corresponding connecting hole 592 can be configured as a mating end 7111. The mating end 7111 can have a mating surface 7112, which can be configured as a plane. The mating surface 7112 can mate with an external angle detector. By setting the mating surface 7112, the external angle detector and the drive shaft 711 can fit more fully, so that the external angle detector and the drive shaft 711 can rotate synchronously, reducing the risk of relative rotation between the external angle detector and the drive shaft 711, and improving the accuracy of measuring the rotation angle of the drive shaft 711 by the external angle detector.

[0031] In some embodiments of this application, there are multiple mating surfaces 7112, and the multiple mating surfaces 7112 are configured as at least one set of mating surfaces. The set of mating surfaces includes two mating surfaces 7112 that are radially spaced and corresponding along the drive shaft 711.

[0032] The mating surfaces 7112 can be multiple, and the number of mating surfaces 7112 can be two, three, four, etc. Multiple mating surfaces 7112 can be constructed as at least one set of mating surfaces; that is, multiple mating surfaces 7112 can be constructed as one set of mating surfaces, or multiple sets (two sets, three sets, four sets, etc.) of mating surfaces. Each set of mating surfaces can include two corresponding mating surfaces 7112 that are radially spaced along the drive shaft 711. By setting at least one set of mating surfaces, the risk of relative rotation between the external angle detector and the drive shaft 711 can be further reduced, which helps improve the accuracy of measuring the rotation angle of the drive shaft 711 by the external angle detector. Furthermore, the mating surface set has an installation positioning function, facilitating the assembly of the drive shaft 711 and the external angle detector and reducing assembly difficulty.

[0033] In some embodiments of this application, such as Figure 4 As shown, the plug 15 has a first snap-fit ​​portion 151, and the inner wall of the connecting hole 592 has a second snap-fit ​​portion 5921. The first snap-fit ​​portion 151 and the second snap-fit ​​portion 5921 are snap-fitted together.

[0034] The plug 15 may have a first snap-fit ​​portion 151, and the inner wall of the connecting hole 592 may have a second snap-fit ​​portion 5921. The first snap-fit ​​portion 151 can engage with the second snap-fit ​​portion 5921. As some embodiments of this application, one of the first snap-fit ​​portion 151 and the second snap-fit ​​portion 5921 may be configured as a buckle, and the other may be configured as a slot. The buckle can engage with the slot, so that the first snap-fit ​​portion 151 and the second snap-fit ​​portion 5921 engage, thereby causing the plug 15 to engage with the inner wall of the connecting hole 592, so that the plug 15 covers the connecting hole 592. This arrangement facilitates installation and disassembly, reducing the difficulty of assembly and disassembly.

[0035] In some embodiments of this application, such as Figure 4 As shown, the steering drive 10 also includes a seal 16, a groove 152 is formed on the outer wall of the plug 15 or the inner wall of the connecting hole 592, a portion of the seal 16 is received in the groove 152, and the seal 16 seals between the plug 15 and the inner wall of the connecting hole 592.

[0036] The outer wall of the plug 15 may have a groove 152, or the inner wall of the connecting hole 592 may have a groove 152. A portion of the seal 16 may be accommodated in the groove 152, and the seal 16 may seal between the plug 15 and the inner wall of the connecting hole 592. In other words, the seal 16 may be sandwiched between the plug 15 and the inner wall of the connecting hole 592 to seal the plug 15 and the connecting hole 592, thereby reducing the risk of impurities entering the receiving space 591 through the connecting hole 592. Furthermore, the groove 152 can be used to position the seal 16 for easy installation. The groove 152 can reduce the risk of the seal 16 shifting from its preset position during long-term operation of the steering drive 10, thus providing better sealing performance and improving the reliability of the steering drive 10.

[0037] In some embodiments of this application, such as Figure 4 As shown, the groove 152 and the seal 16 can both be constructed as annular and compatible. This configuration can give the seal 16 excellent sealing performance, significantly reducing the risk of foreign objects entering the receiving space 591 and affecting the normal operation of the components of the receiving space 591, thereby improving the reliability of the steering drive 10.

[0038] In some embodiments of this application, such as Figure 3 As shown, the multiple transmission components 71 include: a first transmission component 72, a second transmission component 73, and a third transmission component 74. The first transmission component 72 is connected to the drive component 11, and the second transmission component 73 is connected between the first transmission component 72 and the third transmission component 74. The second transmission component 73 includes a transmission shaft 711.

[0039] Along the power transmission path, the first transmission assembly 72, the second transmission assembly 73, and the third transmission assembly 74 are sequentially connected. The first transmission assembly 72 can be connected to the drive component 11, for example, through direct connection, coupling connection, gear pair connection, etc. The second transmission assembly 73 is connected between the first transmission assembly 72 and the third transmission assembly 74, meaning that the second transmission assembly 73 can be connected to both the first and third transmission assemblies 72 and 74, for example, through direct connection, coupling connection, gear pair connection, etc. The third transmission assembly 74 can be connected to the second transmission assembly 73 through direct connection, coupling connection, gear pair connection, etc.

[0040] The second transmission assembly 73 may include a transmission shaft 711. The second transmission assembly 73 can be connected to the first transmission assembly 72 via the transmission shaft 711, and the second transmission assembly 73 can also be connected to the third transmission assembly 74 via the transmission shaft 711. By using the transmission shaft 711, transmission efficiency can be improved and assembly can be facilitated. Furthermore, an external angle detector for measuring the transmission gap between the transmission assemblies 71 can be mounted on the transmission shaft 711 to reduce measurement difficulty.

[0041] In some embodiments of this application, such as Figure 3 As shown, there are multiple second transmission components 73, which are sequentially connected and driven along the power transmission path. The second transmission components 73 at both ends are respectively connected to the first transmission component 72 and the third transmission component 74. There are multiple connecting holes 592, which correspond one-to-one with multiple transmission shafts 711.

[0042] There can be multiple second transmission components 73, and the number of second transmission components 73 can be two, three, four, etc. Multiple second transmission components 73 can be connected in sequence along the power transmission path. The second transmission components 73 at both ends can be connected to the first transmission component 72 and the third transmission component 74 respectively, so that the power of the drive component 11 can be transmitted to the first transmission component 72, the second transmission component 73, and the third transmission component 74 in sequence. By setting multiple second transmission components 73, the layout flexibility of the transmission mechanism 2 can be improved, and multiple deceleration groups can be formed to improve the deceleration and torque increase effect of the steering drive 10.

[0043] like Figure 2As shown, there can be multiple connecting holes 592, such as two, three, or four. Multiple connecting holes 592 can correspond one-to-one with multiple drive shafts 711, so that an external angle detector can be installed on the drive shaft 711 through each corresponding connecting hole 592, so that the transmission gap between any two drive shafts 711 can be measured, thereby facilitating the measurement of the transmission gap of the entire transmission assembly 71 and the transmission gap of any two directly connected transmission assemblies 71.

[0044] In some embodiments of this application, such as Figure 2 As shown, there are multiple drive shafts 711 and multiple connecting holes 592, which correspond one-to-one. The multiple drive shafts 711 are arranged in parallel and along the axial direction of the drive shafts 711. The multiple connecting holes 592 are formed at the same end of the housing 5.

[0045] The drive shaft 711 and the connecting hole 592 can be multiple and correspond one-to-one. The number of connecting holes 592 can be two, three, four, etc. Multiple drive shafts 711 can be arranged in parallel to make the structure reasonable. Along the axial direction of the drive shaft 711, multiple connecting holes 592 can be formed at the same end of the housing 5 to facilitate the processing and manufacturing of multiple connecting holes 592 and to facilitate measurement.

[0046] The vehicle according to the embodiments of this application includes a steering drive 10 and wheel hubs. The steering drive 10 is the same as the steering drive 10 in the above embodiments. The number of steering drives 10 and wheel hubs are the same and correspond one-to-one. The steering drive 10 is used to drive the corresponding wheel hub to rotate.

[0047] The steering actuator 10 outputs torque to the wheel hub to rotate it, thereby steering the wheel. The number of steering actuators 10 is the same as the number of wheel hubs, and they correspond one-to-one. This arrangement improves the responsiveness of the steering process and enhances the stability and reliability of wheel steering. By providing a removable cover 15, the cover 15 can be removed when it is necessary to measure the transmission clearance between the two transmission components 71. This allows an external angle detector to be inserted into the connecting hole 592 and installed on the drive shaft 711. Furthermore, the cover 15 can cover the connecting hole 592, reducing the risk of foreign objects entering the receiving space 591 and affecting the normal operation of the components within the receiving space 591, thus improving the reliability of the steering actuator 10.

[0048] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0049] In the description of this utility model, "first feature" and "second feature" may include one or more of the features.

[0050] In the description of this utility model, "multiple" means two or more.

[0051] In the description of this utility model, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or it may include the first and second features not being in direct contact but being in contact through another feature between them.

[0052] In the description of this utility model, the terms "above", "over" and "on top" for the first feature and the second feature include the first feature being directly above or diagonally above the second feature, or simply indicate that the first feature is at a higher horizontal level than the second feature.

[0053] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0054] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A steering drive (10), characterized in that, include: A driving component (11) and a transmission mechanism (2), wherein the transmission mechanism (2) is connected to the driving component (11) in a transmission manner; The housing (5) and the plug (15) define a receiving space (591) and form a connecting hole (592) communicating with the receiving space (591). The transmission mechanism (2) includes a plurality of transmission components (71) that are sequentially connected in a transmission manner. At least one of the transmission components (71) is received in the receiving space (591) and includes a transmission shaft (711). The connecting hole (592) corresponds to the transmission shaft (711). The plug (15) is detachably provided on the housing (5) and covers the connecting hole (592).

2. The steering drive (10) according to claim 1, characterized in that, Along the axial direction of the drive shaft (711), the end of the drive shaft (711) near the corresponding connecting hole (592) is configured as a mating end (7111), the mating end (7111) is formed with a mating surface (7112), and the mating surface (7112) is configured as a plane.

3. The steering drive (10) according to claim 2, characterized in that, There are multiple mating surfaces (7112), and the multiple mating surfaces (7112) are constructed as at least one set of mating surfaces. The set of mating surfaces includes two mating surfaces (7112) that are radially spaced and corresponding along the drive shaft (711).

4. The steering drive (10) according to claim 1, characterized in that, The plug (15) has a first snap-fit ​​portion (151), and the inner wall of the connecting hole (592) has a second snap-fit ​​portion (5921). The first snap-fit ​​portion (151) and the second snap-fit ​​portion (5921) engage in a snap-fit ​​relationship.

5. The steering drive (10) according to claim 1, characterized in that, Also includes: A sealing element (16) is provided, wherein a groove (152) is formed on the outer wall of the plug (15) or the inner wall of the connecting hole (592), a portion of the sealing element (16) is received in the groove (152), and the sealing element (16) is sealed between the plug (15) and the inner wall of the connecting hole (592).

6. The steering drive (10) according to claim 5, characterized in that, The groove (152) and the seal (16) are both constructed in annular shape and are compatible with each other.

7. The steering drive (10) according to claim 1, characterized in that, The plurality of transmission components (71) include: a first transmission component (72), a second transmission component (73), and a third transmission component (74). The first transmission component (72) is connected to the drive member (11) in a transmission manner. The second transmission component (73) is connected between the first transmission component (72) and the third transmission component (74). The second transmission component (73) includes the transmission shaft (711).

8. The steering drive (10) according to claim 7, characterized in that, There are multiple second transmission components (73), and the multiple second transmission components (73) are connected in sequence. Along the power transmission path, the second transmission components (73) at both ends are connected in transmission to the first transmission component (72) and the third transmission component (74), respectively. There are multiple connecting holes (592), and each of the multiple connecting holes (592) corresponds to one of the multiple transmission shafts (711).

9. The steering drive (10) according to any one of claims 1-8, characterized in that, The drive shaft (711) and the connecting hole (592) are multiple and correspond one-to-one. The multiple drive shafts (711) are arranged in parallel and along the axial direction of the drive shaft (711). The multiple connecting holes (592) are formed at the same end of the housing (5).

10. A vehicle, characterized in that, Includes a steering drive (10) and a wheel hub. The steering drive (10) is a steering drive (10) according to any one of claims 1-9. The number of steering drives (10) is the same as the number of wheel hubs and they correspond one-to-one. The steering drive (10) is used to drive the corresponding wheel hub to rotate.

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