Transmission ring and steering control device

Abstract

The utility model discloses a transmission ring and a steering control device, the transmission ring is used for being connected with a steering wheel to drive the steering wheel to rotate, one of the outer circumferential side and the inner circumferential side of the transmission ring is provided with a driving part, the driving part is used for being in transmission connection with a power source, and the other one is provided with a guide part. The guide part is used for being matched with the movable part to limit the rotating plane of the transmission ring. According to the technical scheme, it is avoided that the thickness of the transmission ring is increased to adapt to the power source and the guide piece, and then the problem that the thickness of the steering control device is too large is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automatic control of driving systems, and in particular relates to a transmission ring and a steering control device. BACKGROUND

[0002] With the continuous development of the agricultural industry and the increasing emphasis of the country on agriculture, agricultural mechanization has gradually been popularized in some areas of China. Traditional mechanized farming requires a large amount of labor costs, and with the continuous increase of labor costs, automatic driving technology has been applied in the field of agricultural machinery.

[0003] Agricultural machinery is usually not equipped with automatic driving function when it is delivered from the factory, and it needs to be installed with an automatic driving system to have the automatic driving function. The automatic driving system includes a vehicle-mounted computer terminal and a steering control device. The steering control device is installed on the steering wheel of the agricultural machinery, and the vehicle-mounted computer terminal is electrically connected with the steering control device to control the operation of the steering control device, so as to adjust the moving direction of the agricultural machinery.

[0004] The steering control device includes a driving motor and a transmission ring. The transmission ring is fixedly installed on the spoke of the steering wheel, and then the driving motor drives the transmission ring to rotate to synchronously drive the steering wheel to rotate, so as to adjust the moving direction of the agricultural machinery.

[0005] In the related art, the outer peripheral side of the transmission ring needs to be provided with meshing teeth to cooperate with the output gear of the driving motor. At the same time, in order to enable the transmission ring to rotate smoothly during operation, a guide member is usually arranged on the outer peripheral side of the transmission ring to cooperate with the rolling support. Since the meshing teeth and the guide member need a certain installation space in the thickness direction of the transmission ring, the transmission ring is arranged to be relatively thick in the thickness direction, which results in that the thickness of the entire steering control device is too large, and it is not convenient to install in the driving cabin of the agricultural machinery. CONTENT OF THE INVENTION

[0006] The main purpose of the present application is to provide a transmission ring of a steering control device, which aims to improve the existing transmission ring of the steering control device. The meshing teeth and the guide member of the transmission ring need a certain installation space in the thickness direction of the transmission ring, so the transmission ring is arranged to be relatively thick in the thickness direction, which results in that the thickness of the entire steering control device is too large.

[0007] To achieve the above-mentioned purpose, the transmission ring provided by the present application is used to connect with the steering wheel to drive the steering wheel to rotate. One of the outer peripheral side and the inner peripheral side of the transmission ring is provided with a driving part, and the other is provided with a guide part. The driving part is used to be in transmission connection with a power source, and the guide part is used to cooperate with a movable part to define the rotation plane of the transmission ring.

[0008] In some embodiments of the present application, a projection of the guide portion in the radial direction of the transmission ring at least partially overlaps the driving portion.

[0009] In some embodiments of the present application, the outer periphery side of the transmission ring is provided with the driving portion, the inner periphery side of the transmission ring is provided with the guide portion, or the outer periphery side of the transmission ring is provided with the guide portion, and the inner periphery side of the transmission ring is provided with the driving portion.

[0010] In some embodiments of the present application, the guide portion is located at the middle of the thickness direction of the transmission ring.

[0011] In some embodiments of the present application, the transmission ring is a circular ring structure.

[0012] In some embodiments of the present application, the transmission ring comprises a first body and a second body, both of which are circular arc structures, and the first body and the second body are combined with each other to form the transmission ring or separated from each other.

[0013] In some embodiments of the present application, the length of the driving portion in the thickness direction of the transmission ring is greater than or equal to the length of the guide portion in the thickness direction of the transmission ring.

[0014] The present application also provides a steering control device for realizing automatic driving by controlling the rotation of a steering wheel around a corresponding rotation shaft, characterized in that it comprises a rotating body, a fixed body, a movable member, and a driving assembly, wherein,

[0015] The rotating body is used for fastening connection with the steering wheel, and the rotating body comprises any one of the transmission rings described above;

[0016] The fixed body is used for being fixedly arranged below the steering wheel;

[0017] The movable member is rotatably arranged on the fixed body and rollably supports the transmission ring;

[0018] The driving assembly is in transmission connection with the driving portion of the transmission ring, so that the rotating body rotates relative to the fixed body under the transmission of the driving assembly to drive the steering wheel to rotate around the rotation shaft.

[0019] In some embodiments of the present application, the movable member is concavely provided with a matching groove, the transmission ring is convexly provided with a matching portion to form the guide portion, and the matching portion is at least partially accommodated in the matching groove to rollably support the transmission ring.

[0020] In some embodiments of the present application, the transmission ring is concavely provided with an annular guide groove to form the guide portion, and the movable member is at least partially accommodated in the annular guide groove and rollably supports the transmission ring.

[0021] In some embodiments of the application, the slot of the annular guide groove comprises a first edge and a second edge, the first edge and the second edge are oppositely arranged in the thickness direction of the transmission ring

[0022] In some embodiments of the application, the first distance between the first edge and the second edge in the thickness direction of the transmission ring is 0.4-0.6 times the thickness of the transmission ring.

[0023] In some embodiments of the application, the transmission ring comprises a first surface and a second surface, the first surface and the second surface are oppositely arranged in the thickness direction of the transmission ring, and the first edge is arranged adjacent to the first surface, and the second edge is arranged adjacent to the second surface.

[0024] In some embodiments of the application, the second distance between the first edge and the first surface in the thickness direction of the transmission ring is 0.2-0.3 times the thickness of the transmission ring, and the third distance between the second edge and the second surface in the thickness direction of the transmission ring is 0.2-0.3 times the thickness of the transmission ring.

[0025] In some embodiments of the application, the second distance is equal to the third distance.

[0026] In some embodiments of the application, the cross section of the annular guide groove is isosceles trapezoidal.

[0027] In some embodiments of the application, the transmission ring is arranged around the rotating shaft.

[0028] In some embodiments of the application, the movable part comprises a first rolling support, the first rolling support comprises a rotating shaft and a fixed wheel, one end of the rotating shaft is rotationally arranged on the fixed body, and the other end of the rotating shaft is fixedly provided with the fixed wheel; the fixed wheel is at least partially accommodated in the annular guide groove and at least in rolling contact with the side groove wall of the annular guide groove close to the steering wheel, to rollingly support the transmission ring.

[0029] In some embodiments of the application, the movable part comprises a plurality of first rolling supports, and the plurality of first rolling supports are arranged at intervals along the circumference of the annular guide groove.

[0030] In some embodiments of the application, the movable part comprises a second rolling support, the second rolling support comprises a fixed shaft and a rotating wheel, one end of the fixed shaft is fixedly arranged on the fixed body, and the other end of the fixed shaft is rotationally arranged with the rotating wheel; the rotating wheel is at least partially accommodated in the annular guide groove and at least in rolling contact with the side groove wall of the annular guide groove close to the steering wheel, to rollingly support the transmission ring.

[0031] In some embodiments of the application, the movable member comprises a plurality of the second rolling supports, which are arranged at intervals along the circumferential direction of the annular guide groove.

[0032] In some embodiments of the application, the driving assembly is connected to the transmission ring through the engagement of a spur gear.

[0033] In some embodiments of the application, the outer periphery of the transmission ring is provided with a plurality of straight teeth, which are arranged along the thickness direction of the transmission ring and at equal intervals along the circumferential direction of the transmission ring to form the driving portion.

[0034] The driving assembly comprises the spur gear, which is connected to the plurality of straight teeth.

[0035] In some embodiments of the application, the driving assembly further comprises a first motor, the motor shaft of which is arranged along the thickness direction of the transmission ring, and the spur gear is fixed on the motor shaft of the first motor so as to be synchronously driven to rotate when the motor shaft of the first motor rotates.

[0036] In some embodiments of the application, the driving assembly is connected to the transmission ring through the engagement of a bevel gear.

[0037] In some embodiments of the application, the outer periphery of the transmission ring is further provided with a slope and a plurality of bevel teeth, which are arranged at equal intervals along the circumferential direction of the transmission ring on the slope to form the driving portion.

[0038] The driving assembly comprises the bevel gear, which is connected to the plurality of bevel teeth.

[0039] In some embodiments of the application, the driving assembly further comprises a second motor, the motor shaft of which is arranged along the radial direction of the transmission ring, and the bevel gear is fixed on the motor shaft of the second motor so as to be synchronously driven to rotate when the motor shaft of the second motor rotates.

[0040] In some embodiments of the application, the rotating body further comprises an upper housing arranged around the rotating shaft, and the transmission ring is fixedly connected to the steering wheel through the upper housing.

[0041] In some embodiments of the application, the fixed body comprises a lower housing arranged around the rotating shaft, which is fixedly arranged below the steering wheel.

[0042] In some embodiments of the present application, the lower shell is provided with an annular accommodating groove, the transmission ring is accommodated in the annular accommodating groove, and the movable element is rotationally arranged at the bottom wall of the annular accommodating groove and rollingly supports the transmission ring.

[0043] In some embodiments of the present application, the fixed body further comprises a mounting portion with a mounting cavity, the mounting portion is arranged adjacent to the annular accommodating groove, and the mounting cavity is arranged in communication with the annular accommodating groove for mounting the drive assembly.

[0044] In some embodiments of the present application, the fixed body further comprises a fixed support provided with a fixed portion and a locking portion, the fixed portion is fixedly connected with the lower shell, and the locking portion is used for fixedly connecting with a sleeve below the steering wheel to fixedly arrange the lower shell below the steering wheel.

[0045] The present application also provides an automatic driving system, which comprises a vehicle-mounted computer terminal and the steering control device described in any one of the above.

[0046] The vehicle-mounted computer terminal comprises a positioning module and a control module, the positioning module is in communication connection with a positioning system to obtain position information, and the positioning module and the drive assembly are both in electrical connection with the control module, and the control module controls the work of the drive assembly according to the position information obtained by the positioning module to adjust the moving direction of the agricultural machine.

[0047] The transmission ring provided by the embodiments of the present application is arranged as described above, the driving portion is in transmission connection with the power source to realize the rotation of the transmission ring, the guiding portion cooperates with the movable element to enable the transmission ring to rotate stably without shifting, and the driving portion and the guiding portion are respectively located at the inner circumferential side and the outer circumferential side of the transmission ring, or are respectively located at the outer circumferential side and the inner circumferential side of the transmission ring, so that the driving portion and the guiding portion are arranged at the inner circumferential side and the outer circumferential side of the transmission ring in the radial direction of the transmission ring, and thus the power source in transmission cooperation with the driving portion and the movable element in guiding cooperation with the guiding portion can be respectively arranged at the outer circumferential side and the inner circumferential side of the transmission ring, or respectively arranged at the inner circumferential side and the outer circumferential side of the transmission ring, thereby avoiding the increase of the thickness of the transmission ring to adapt the power source and the guiding element, and further avoiding the problem of excessive thickness of the steering control device. BRIEF DESCRIPTION OF DRAWINGS

[0048] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings from the structures shown in the drawings without creating any creative labor.

[0049] Figure 1 Fig. 1 is a schematic view of the overall structure of a steering control device installed on a steering wheel according to an embodiment of the present application;

[0050] Figure 2 Fig. 2 is a schematic view of the structure of a steering control device according to an embodiment of the present application; Figure 1 Fig. 3 is a schematic view of the structure of a steering control device according to an embodiment of the present application;

[0051] Figure 3 Fig. 4 is a schematic view of the structure of a steering control device according to an embodiment of the present application; Figure 2 Fig. 5 is a schematic view of the structure of a steering control device according to an embodiment of the present application;

[0052] Figure 4 Fig. 6 is a schematic view of the structure of a steering control device according to an embodiment of the present application; Figure 3 Fig. 7 is an enlarged view of a portion A in Fig. 6;

[0053] Figure 5 Fig. 8 is an enlarged view of a portion B in Fig. 6; Figure 3 Fig. 9 is a schematic view of the structure of a steering control device according to an embodiment of the present application;

[0054] Figure 6 Fig. 10 is a schematic view of the structure of a steering control device according to an embodiment of the present application; Figure 2 Fig. 11 is a schematic view of the structure of a steering control device according to an embodiment of the present application;

[0055] Figure 7 Fig. 12 is a schematic view of the structure of a steering control device according to an embodiment of the present application; Figure 6 Fig. 13 is a schematic view of the structure of a steering control device according to an embodiment of the present application;

[0056] BRIEF DESCRIPTION OF THE DRAWINGS

[0057] 100, steering control device; 10, rotating body; 11, transmission ring; 111, annular guide groove; 1111, first side; 1112, second side; 112, driving portion; 113, mounting hole; 114, first body; 115, second body; 116, first surface; 117, second surface; 12, upper housing; 20, fixed body; 21, lower housing; 211, annular accommodating groove; 22, mounting portion; 30, movable member; 31, second rolling support body; 311, fixed shaft; 312, rotating wheel; 40, driving assembly; 41, spur gear; 42, first motor; 50, fixed support; 51, lock; 511, locking portion; 52, support bracket; 200, steering wheel; 201, spoke; 202, sleeve; Z, thickness direction of transmission ring.

[0058] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0059] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the accompanying drawings of the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0060] In the present application, unless otherwise explicitly specified and limited, the terms "connection", "fixing" and the like should be understood in a broad sense, for example, "fixing" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0061] In addition, in the present application, the description such as "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the protection scope required by the present application.

[0062] The embodiment of the present application provides a transmission ring 11 of a steering control device 100, in the steering control device 100, a power source is in transmission connection with the transmission ring 11, to drive the transmission ring 11 to rotate, in order to make the transmission ring 11 can rotate stably in the process of working, and does not increase the thickness of the transmission ring 11, the embodiment of the present application improves the transmission ring 11. Please combine with reference Figures 1 to 6 In the embodiment of the present application, the transmission ring 11 is used for connecting with the steering wheel 200 to drive the steering wheel 200 to rotate, one of the outer peripheral side and the inner peripheral side of the transmission ring 11 is provided with a driving part 112, the driving part 112 is used for being in transmission connection with the power source, and the other is provided with a guide part, the guide part is used for cooperating with the movable piece 30 to limit the rotation plane of the transmission ring 11.

[0063] The outer peripheral side and the inner peripheral side of the transmission ring 11 are arranged radially and are spaced apart, wherein the outer peripheral side of the transmission ring 11 is arranged around the inner peripheral side of the transmission ring 11. The driving part 112 is usually provided with teeth, and is in meshing with the teeth of the power source to realize transmission connection, wherein the teeth can be straight teeth, or can be helical teeth, etc., the embodiment of the present application does not make specific limitation to this, the driving part 112 can also be a wear-resistant surface, and the wear-resistant surface realizes the transmission of power by abutting against the friction wheel of the power source. Preferably, the transmission ring 11 is a circular ring structure, so that the transmission ring 11 is more stable in the process of rotating, to improve the controllability of the steering control device 100.

[0064] The guide portion also has various setting forms. In one setting form, the guide portion is a protrusion protruding on the transmission ring 11, and the movable piece 30 is concave with a groove matched with the protrusion. In another setting form, the guide portion is a groove concave on the transmission ring 11, and the movable piece 30 is protruding with a protrusion matched with the groove.

[0065] The transmission ring 11 provided by the embodiment of the present application is provided with the above structure, the driving portion 112 is in transmission connection with the power source, the rotation of the transmission ring 11 is realized, the guide portion is matched with the movable piece 30, so that the transmission ring 11 can rotate stably without shifting, and the driving portion 112 and the guide portion are located at the inner circumferential side and the outer circumferential side of the transmission ring 11 respectively, or are located at the outer circumferential side and the inner circumferential side of the transmission ring 11 respectively, so that the driving portion 112 and the guide portion are arranged in the radial direction of the transmission ring 11, the power source matched in transmission with the driving portion 112 and the movable piece 30 matched in guidance with the guide portion can be arranged at the outer circumferential side and the inner circumferential side of the transmission ring 11 respectively, or can be arranged at the inner circumferential side and the outer circumferential side of the transmission ring 11 respectively, thereby avoiding the increase of the thickness of the transmission ring 11 to adapt the power source and the guide piece, and further avoiding the problem of excessive thickness of the steering control device 100.

[0066] In some examples, as shown in Figures 3 to 5 the projection of the guide portion in the radial direction of the transmission ring 11 at least partially overlaps the driving portion 112. Such an arrangement aims to make the transmission ring 11 use the space of the same part in the thickness direction Z as much as possible to adapt the power source and the movable piece 30 respectively, and further avoid the increase of the thickness of the transmission ring 11.

[0067] In some examples, as shown in Figures 3 to 5 the outer circumferential side of the transmission ring 11 is provided with the driving portion 112, and the inner circumferential side of the transmission ring 11 is provided with the guide portion, or the outer circumferential side of the transmission ring 11 is provided with the guide portion, and the inner circumferential side of the transmission ring 11 is provided with the driving portion 112. Such an arrangement aims to optimize the specific structure of the transmission ring 11 to facilitate the transmission matching of the power source with the driving portion 112 and the guidance matching of the movable piece 30 with the guide portion.

[0068] In some examples, as shown in Figures 3 to 5 the guide portion is located at the middle of the thickness direction Z of the transmission ring 11. Such an arrangement aims to reduce the impact of the guide portion on the strength of the transmission ring 11.

[0069] In some examples, as shown in Figures 3 to 5 the transmission ring 11 comprises a first body 114 and a second body 115, and the first body 114 and the second body 115 are both circular arc structures, and the first body 114 and the second body 115 are combined with each other to form the transmission ring 11 or are separated from each other. Such an arrangement aims to facilitate the production and assembly of the transmission ring 11.

[0070] In some examples, the arc length of the first body 114 and the second body 115 are equal, and further, the first body 114 and the second body 115 are arranged in a central symmetry. This further facilitates the production and assembly of the transmission ring 11. In yet some examples, the first body 114 and the second body 115 are detachably connected to combine to form the transmission ring 11.

[0071] Of course, in other examples, the arc length of the first body 114 and the second body 115 are not equal, the arc length of the first body 114 can be greater than the arc length of the second body 115, and in a specific arrangement, the arc length of the first body 114 accounts for three quarters of the entire arc, and the arc length of the second body 115 accounts for one quarter of the entire arc.

[0072] In some examples, as shown in Figures 3 to 5 The length of the driving portion 112 in the thickness direction Z of the transmission ring 11 is greater than or equal to the length of the guiding portion in the thickness direction Z of the transmission ring 11. In this way, the driving portion 112 is stably connected with the power source, and the guiding portion guides the transmission ring 11.

[0073] The application further provides a steering control device 100, which can be used in vehicles such as agricultural machinery, please refer to Figures 1 to 7 In the embodiment of the application, the steering control device 100 includes a rotating body 10, a fixed body 20, a movable piece 30, and a driving assembly 40. The rotating body 10 is used to be tightly connected with the steering wheel 200, and the rotating body 10 includes the transmission ring 11 of any one of the above embodiments. The fixed body 20 is arranged below the steering wheel 200. The movable piece 30 is rotatably arranged on the fixed body 20 and rollably supports the transmission ring 11. The driving assembly 40 is in transmission connection with the driving portion 112 of the transmission ring 11, so that the rotating body 10 rotates relative to the fixed body 20 under the transmission of the driving assembly 40, to drive the steering wheel 200 to rotate around the rotating shaft.

[0074] The specific structure of the transmission ring 11 is referred to the above embodiments. Since the steering control device 100 adopts all the technical solutions of the above embodiments, it at least has all the beneficial effects brought by the technical solutions of the above embodiments, which will not be repeated here.

[0075] The rotating body 10 can be tightly connected with the spoke 201 of the steering wheel 200 by a hoop, a strap, etc. Of course, the rotating body 10 can be tightly connected with the rim of the steering wheel 200 by a hoop, a strap, etc. In the embodiment of the application, the rotating body 10 is tightly connected with the steering wheel 200, and the main function is to transmit the force to the steering wheel 200 through the rotating body 10.

[0076] The fixed body 20 is fixedly arranged below the steering wheel 200, and there are various arrangement modes. The fixed body 20 can be directly or indirectly fixedly connected with the sleeve 202 below the steering wheel 200 to be fixed below the steering wheel 200. The sleeve 202 below the steering wheel 200 is mainly used for surrounding protection of the rotating shaft below the steering wheel 200. It can be understood that in the agricultural machinery, a seat is usually arranged near the steering wheel 200, and the fixed body 20 can be directly or indirectly fixedly connected with the seat to be fixed below the steering wheel 200. A heavy base can also be placed in the cockpit, and the fixed body 20 can be directly or indirectly fixedly connected with the base to be fixed below the steering wheel 200.

[0077] It needs to be emphasized that the arrangement of the movable member 30 is not only to rollingly support the transmission ring 11, but also to cooperate with the guide portion of the transmission ring 11 to limit the rotating plane of the transmission ring 11.

[0078] The principle of controlling the steering of the steering wheel 200 by the steering control device 100 provided in the embodiment of the present application is as follows: The driving assembly 40 drives the rotating body 10 to rotate clockwise, and the rotating body 10 drives the steering wheel 200 to rotate clockwise around the rotating shaft through the fastening connection with the steering wheel 200, so as to adjust the moving direction of the agricultural machinery. The driving assembly 40 drives the rotating body 10 to rotate counterclockwise, and the rotating body 10 drives the steering wheel 200 to rotate counterclockwise around the rotating shaft through the fastening connection with the steering wheel 200, so as to adjust the moving direction of the agricultural machinery. In the process of rotating, the movable member 30 cooperates with the groove wall of the annular guide groove 111.

[0079] The specific installation mode of the steering control device 100 provided in the embodiment of the present application is various. In one installation mode, the steering control device 100 can be assembled in advance, the steering wheel 200 of the agricultural machinery is disassembled, the assembled steering control device 100 is sleeved into the sleeve 202 below the steering wheel 200, and then the steering wheel 200 is installed. At this time, the rotating body 10 and the steering wheel 200 can be fastened and connected, and the fixed body 20 can be fixedly arranged below the steering wheel 200.

[0080] In some other embodiments, the rotating body 10 and the fixed body 20 of the steering control device 100 are composed of two parts. The movable member 30 includes a plurality of rolling support bodies and is arranged on the fixed body 20 of the two parts, respectively. The driving assembly 40 is fixedly installed on the fixed body 20 of any one part. In this way, the rotating body 10 and the fixed body 20 composed of two parts are assembled into complete parts with the sleeve 202 below the steering wheel 200 as an axis, and the assembly process of the steering control device 100 is simultaneously performed. Finally, the rotating body 10 and the steering wheel 200 are fastened and connected, and the fixed body 20 is fixedly arranged below the steering wheel 200.

[0081] In some examples, the movable member 30 is concavely provided with a matching groove, and the transmission ring 11 is convexly provided with a matching portion to form a guide portion, the matching portion being at least partially accommodated in the matching groove to rollably support the transmission ring 11. In this way, the matching portion and the matching groove are matched to each other by at least partially accommodating the matching portion in the matching groove, so as to limit the movement of the transmission ring 11 other than rotation, so that the transmission ring 11 can rotate smoothly, and the reliability of the driving assembly 40 and the transmission connection with the rotating body 10 is ensured.

[0082] In some examples, as shown in Figures 3 to 7 , the transmission ring 11 is concavely provided with an annular guide groove 111 to form a guide portion, and the movable member 30 is at least partially accommodated in the annular guide groove 111 to rollably support the transmission ring 11. In this way, the movable member 30 and the annular guide groove 111 are matched to each other by at least partially accommodating the movable member 30 in the annular guide groove 111, so as to limit the movement of the transmission ring 11 other than rotation, so that the transmission ring 11 can rotate smoothly, and the reliability of the driving assembly 40 and the transmission connection with the rotating body 10 is ensured.

[0083] In some examples, as shown in Figure 4 and Figure 7 , the slot of the annular guide groove 111 includes a first edge 1111 and a second edge 1112, the first edge 1111 and the second edge 1112 are oppositely arranged in the thickness direction Z of the transmission ring 11, and the first distance between the first edge 1111 and the second edge 1112 in the thickness direction Z of the transmission ring 11 is 0.4-0.6 times the thickness of the transmission ring 11. In this way, the slot of the annular guide groove 111 is avoided to be too large, the structural arrangement of the transmission ring 11 is optimized, and the cooperation between the movable member 30 and the annular guide groove 111 is facilitated.

[0084] In some examples, as shown in Figure 4 , Figure 5 and Figure 7 , the transmission ring 11 includes a first surface 116 and a second surface 117, the first surface 116 and the second surface 117 are oppositely arranged in the thickness direction Z of the transmission ring 11, and the first edge 1111 is arranged adjacent to the first surface 116, and the second edge 1112 is arranged adjacent to the second surface 117. The second distance between the first edge 1111 and the first surface 116 in the thickness direction Z of the transmission ring 11 is 0.2-0.3 times the thickness of the transmission ring 11, and the third distance between the second edge 1112 and the second surface 117 in the thickness direction Z of the transmission ring 11 is 0.2-0.3 times the thickness of the transmission ring 11. In this way, the structural arrangement of the transmission ring 11 is further optimized, and the influence of the annular guide groove 111 on the strength of the transmission ring 11 is further reduced.

[0085] In some examples, as shown inFigure 4 and Figure 7 As shown, the second distance is equal to the third distance. With this configuration, the thickness of both sides of the annular guide groove 111 is equal, so that the strength of the transmission ring 11 is the same on both sides of the annular guide groove 111. At the same time, it facilitates the processing of the transmission ring 11 and makes the strength of both sides of the transmission ring 11 in the thickness direction Z equal.

[0086] It is understood that the cross-section of the annular guide groove 111 can be triangular, quadrilateral, pentagonal, or even semi-circular, arc-shaped, etc., and the embodiments of this application do not make specific limitations in this regard.

[0087] Preferred, such as Figure 5 As shown, the cross-section of the annular guide groove 111 is an isosceles trapezoid, and the annular guide groove 111 has annular abutment surfaces on both sides of its two side walls in the thickness direction Z of the transmission ring 11. This arrangement is intended to facilitate the placement of the movable part 30 in the annular guide groove 111, and to ensure a tighter fit between the movable part 30 and the two annular abutment surfaces of the annular guide groove 111, thereby further improving the stability of the transmission ring 11 during operation.

[0088] In some examples, such as Figure 6 As shown, the transmission ring 11 is arranged around the rotating shaft. This arrangement is intended to improve the stability and reliability of the transmission connection between the transmission ring 11 and the drive assembly 40.

[0089] In some examples, the movable element 30 includes a first rolling support, which includes a shaft and a fixed wheel. One end of the shaft is rotatably mounted on the fixed body 20, and the other end of the shaft is fixedly mounted on the fixed wheel. The fixed wheel is at least partially received in the annular guide groove 111 and rolls in contact with at least one side wall of the annular guide groove 111 near the steering wheel 200 to roll support the drive ring 11.

[0090] There are several ways to rotatably mount one end of the shaft onto the fixed body 20. In one configuration, one end of the shaft is rotatably mounted on the fixed body 20 via a bearing. In another configuration, the shaft includes a rotating portion at one end and a main body portion, wherein the rotating portion is rotatable relative to the main body portion and is mounted on the fixed body 20. In yet another configuration, the fixed body 20 is provided with a groove, one end of the shaft is inserted into the groove, and is rotatable relative to the groove.

[0091] The fixed wheel can be fixed to the rotating shaft by snap-fitting, welding, or other methods, which will not be described in detail here.

[0092] In this way, the movable part 30 is in rolling contact with the side wall of the annular guide groove 111 close to the steering wheel 200 through the first rolling support, so as to rollably support the transmission ring 11 through the first rolling support, and the movable part 30 cooperates with the annular guide groove 111 to guide and limit the transmission ring 11 and provide upward supporting force for the transmission ring 11.

[0093] In some examples, the movable part 30 includes a plurality of first rolling supports, which are arranged at intervals along the circumferential direction of the annular guide groove 111. In this way, the plurality of first rolling supports are respectively in rolling contact with the side wall of the annular guide groove 111 close to the steering wheel 200, so as to further improve the stability of the transmission ring 11 when rotating relative to the fixed body 20.

[0094] In some examples, as shown in Figure 6 The movable part 30 includes a second rolling support 31, which includes a fixed shaft 311 and a rotating wheel 312. One end of the fixed shaft 311 is fixedly arranged on the fixed body 20, and the other end of the fixed shaft 311 is rotatably provided with the rotating wheel 312. The rotating wheel 312 is at least partially accommodated in the annular guide groove 111 and at least in rolling contact with the side wall of the annular guide groove 111 close to the steering wheel 200, so as to rollably support the transmission ring 11.

[0095] The fixed shaft 311 has various implementation manners for being fixedly arranged on the fixed body 20. In one arrangement manner, a blind hole is formed in the fixed body 20, and one end of the fixed shaft 311 is in interference fit with the blind hole, so as to be inserted and fixed on the fixed body 20. In another arrangement manner, the fixed shaft 311 is welded on the fixed body 20.

[0096] The rotating wheel 312 can be rotatably installed on the fixed shaft 311 through a bearing, or the rotating wheel 312 can be directly sleeved on the fixed shaft 311, which will not be described one by one here.

[0097] In this way, the movable part 30 is in rolling contact with the side wall of the annular guide groove 111 close to the steering wheel 200 through the second rolling support 31, so as to rollably support the transmission ring 11 through the second rolling support 31, and the movable part 30 cooperates with the annular guide groove 111 to guide and limit the transmission ring 11 and provide upward supporting force for the transmission ring 11.

[0098] In some examples, as shown in Figure 6 The movable part 30 includes a plurality of second rolling supports 31, which are arranged at intervals along the circumferential direction of the annular guide groove 111. In this way, the plurality of second rolling supports 31 are respectively in rolling contact with the side wall of the annular guide groove 111 close to the steering wheel 200, so as to further improve the stability of the transmission ring 11 when rotating relative to the fixed body 20.

[0099] In some examples, as shown in Figure 5 The driving assembly 40 is in driving connection with the transmission ring 11 through the engagement of the straight gear 41. In this way, the driving efficiency and reliability of the driving assembly 40 and the transmission ring 11 are improved.

[0100] In some examples, as shown in Figure 6 The outer circumferential side of the transmission ring 11 is provided with a plurality of straight teeth, which are arranged along the thickness direction Z of the transmission ring 11 and are equally spaced along the circumferential direction of the transmission ring 11 to form a driving part 112. The driving assembly 40 includes a straight gear 41, which is in engagement with the plurality of straight teeth. In this way, the driving assembly 40 is in driving connection with the transmission ring 11 through the engagement of the straight gear 41 and the plurality of straight teeth, so as to further improve the reliability of the transmission.

[0101] In some examples, as shown in Figure 6 The driving assembly 40 further includes a first motor 42, and the motor shaft of the first motor 42 is arranged along the thickness direction Z of the transmission ring 11. The straight gear 41 is fixed on the motor shaft of the first motor 42, so as to drive the straight gear 41 to rotate synchronously when the motor shaft of the first motor 42 rotates. In this way, the assembly of the steering control device 100 is facilitated.

[0102] In some examples, the driving assembly 40 is in driving connection with the transmission ring 11 through the engagement of the bevel gear. In this way, the driving efficiency and reliability of the driving assembly 40 and the transmission ring 11 are improved.

[0103] In some examples, the outer circumferential side of the transmission ring 11 is further provided with a slope and a plurality of bevel teeth, which are equally spaced along the circumferential direction of the transmission ring 11 on the slope to form a driving part 112. The driving assembly 40 includes a bevel gear, which is in engagement with the plurality of bevel teeth. In this way, the driving assembly 40 is in driving connection with the transmission ring 11 through the engagement of the bevel gear and the plurality of bevel teeth, so as to further improve the reliability of the transmission.

[0104] In some examples, the driving assembly 40 further includes a second motor, and the motor shaft of the second motor is arranged along the radial direction of the transmission ring 11. The bevel gear is fixed on the motor shaft of the second motor, so as to drive the bevel gear to rotate synchronously when the motor shaft of the second motor rotates. In this way, the installation position of the second motor is located on the same horizontal plane as the transmission ring 11, so as to reduce the thickness of the steering control device 100 and the space occupied by the steering control device 100 in the vertical direction of the cockpit.

[0105] In some examples, the driving assembly 40 further comprises a gearbox, the motor of the driving assembly 40 is in driving connection with the gearbox, and the output end of the gearbox is connected with the bevel gear or spur gear 41 mentioned above, that is, the motor of the driving assembly 40 is connected with the bevel gear or spur gear 41 through the gearbox, and the bevel gear or spur gear 41 is in meshing connection with the transmission ring 11. In this way, the output power, torque, etc. of the driving assembly 40 can be controlled through the gearbox, so as to improve the controllability of the steering control device 100.

[0106] In some examples, as shown in Figure 1 and Figure 2 , the rotating body 10 further comprises an upper shell 12 arranged around the rotating shaft, and the transmission ring 11 is fastened to the steering wheel 200 through the upper shell 12. In some examples, the surface of the upper shell 12 can be provided with a plurality of pipe clamps to clamp the rim and / or spokes 201 of the steering wheel 200 respectively to realize the fastening connection between the rotating body 10 and the steering wheel 200. In other examples, the surface of the upper shell 12 can be provided with a plurality of hoops to tightly hold the rim and / or spokes 201 of the steering wheel 200 respectively to realize the fastening connection between the rotating body 10 and the steering wheel 200.

[0107] In this way, the transmission ring 11 is fastened to the steering wheel 200 through the upper shell 12, which facilitates the installation of the steering control device 100 and further improves the installation efficiency of the steering control device 100.

[0108] In some examples, the upper shell 12 is assembled from two or more parts to facilitate the assembly of the steering control device 100.

[0109] In some examples, as shown in Figures 4 to 7 , a plurality of mounting holes 113 are arranged through the thickness direction Z of the transmission ring 11, and the plurality of mounting holes 113 are also arranged at intervals along the circumferential direction of the transmission ring 11. A plurality of screw structures are respectively screwed into the corresponding mounting holes 113 and the upper shell 12 to fix the transmission ring 11 to the upper shell.

[0110] In this example, the upper shell 12 is provided with a threaded hole in the vertical direction, and preferably the threaded hole is a blind hole. It should be noted that the plurality of mounting holes 113 can be uniformly or non-uniformly arranged along the axial direction of the transmission ring 11, and preferably the mounting hole 113 is a countersunk hole.

[0111] In this way, the screw structure is screwed into the mounting hole 113 and the upper shell 12 in the vertical direction below the transmission ring 11, avoiding direct exposure of the screw structure to the upper surface of the upper shell 12, reducing the probability of corrosion of the screw structure, and thus improving the reliability of the connection between the transmission ring 11 and the upper shell 12.

[0112] Of course in other examples, the mounting hole 113 can be a threaded hole, the upper shell 12 is provided with a through hole, and a screw structure is vertically downwardly arranged through the through hole of the upper shell 12 and threadedly connected with the mounting hole 113 to fix the transmission ring 11 to the upper shell 12.

[0113] It can be understood that, for the convenience of description of the technical solutions, the following description collectively refers to the first rolling support body and the second rolling support body 31 as a rolling support body: in order to improve the stability of the rolling support body in supporting the transmission ring 11, the number of the rolling support bodies should be more than two, and the rolling support bodies are arranged at intervals along the circumference of the transmission ring 11, wherein the rolling support bodies can be uniformly arranged at intervals or non-uniformly arranged at intervals, for example: when the number of the rolling support bodies is three, two rolling support bodies are on the same diameter of the transmission ring 11, and the other rolling support body is on the other diameter of the transmission ring 11, so that the connecting lines between the three rolling support bodies form a right-angled triangle. When the number of the rolling support bodies is three, the three rolling support bodies can be uniformly arranged at intervals along the circumference of the transmission ring 11, so that the connecting lines between the three rolling support bodies form an equilateral triangle.

[0114] In Figure 6 the examples shown, the number of the rolling support bodies is six and the rolling support bodies are uniformly arranged at intervals. In other examples, the number of the rolling support bodies is eight or ten, which is not limited in the embodiments of the present application.

[0115] In some examples, as shown in Figure 6 , the fixed body 20 includes a lower shell 21 arranged around the rotation shaft, and the lower shell 21 is fixedly arranged below the steering wheel 200. In this way, the driving assembly 40 is arranged around the lower shell 21, so as to improve the stability of the driving assembly 40.

[0116] Similarly, in some examples, the lower shell 21 is also assembled by two or more components, so as to facilitate the assembly of the steering control device 100.

[0117] In order to further improve the protection level of the steering control device 100, the upper shell 12 and the lower shell 21 can be made of metal material. Of course, in other examples, the upper shell 12 and the lower shell 21 can also be made of hard plastic and plated with a metal plating layer on the surface. At the same time, the upper shell 12 can be prevented from being cracked when transmitting the force, and the service life of the steering control device 100 is improved.

[0118] In some examples, as shown in Figure 6 , the lower shell 21 is provided with an annular accommodating groove 211, the transmission ring 11 is accommodated in the annular accommodating groove 211, and the movable part 30 is rotationally arranged on the bottom wall of the annular accommodating groove 211 and rolls to support the transmission ring 11.

[0119] In this way, the transmission ring 11 and the movable element 30 are surrounded and protected by the annular accommodating groove 211, so as to improve the protection performance of the steering control device 100, reduce the influence of external factors on the transmission ring 11, and improve the service life of the steering control device 100.

[0120] In combination with the above-mentioned content that the movable element 30 includes the second rolling support body 31, in some examples, the bottom wall of the annular accommodating groove 211 is provided with a plurality of threaded holes, the plurality of threaded holes are also arranged along the circumference of the annular guide groove 111, and the plurality of second rolling support bodies 31 are respectively mounted on the lower shell 21 through the plurality of threaded holes. Specifically, one end of each fixed shaft 311 is provided with an external thread, and each fixed shaft 311 is threadedly connected with the corresponding threaded hole to be fixed on the fixed body 20. The periphery of the threaded hole can also be provided with a reinforcing rib to improve the overall strength of the lower shell 21.

[0121] In combination with the above-mentioned content that the movable element 30 includes the second rolling support body 31, in some examples, the bottom wall of the annular accommodating groove 211 is provided with a plurality of threaded holes, the plurality of threaded holes are also arranged along the circumference of the annular guide groove 111, and the plurality of second rolling support bodies 31 are respectively mounted on the lower shell 21 through the plurality of threaded holes. Specifically, one end of each fixed shaft 311 is provided with an external thread, and each fixed shaft 311 is threadedly connected with the corresponding threaded hole to be fixed on the fixed body 20. The periphery of the threaded hole can also be provided with a reinforcing rib to improve the overall strength of the lower shell 21.

[0122] In some examples, as shown in FIG. 6, the fixed body 20 further includes a mounting portion 22 having a mounting cavity, the mounting portion 22 is arranged adjacent to the annular accommodating groove 211, and the mounting cavity is arranged in communication with the annular accommodating groove 211 to mount the driving assembly 40. Figures 2 to 6

[0123] In this way, the driving assembly 40 is protected by the mounting cavity, so as to improve the reliability of the transmission connection between the driving assembly 40 and the transmission ring 11.

[0124] Specifically, in an example, the fixed body 20 further includes a mounting plate and a cover body fixedly connected with the lower shell 21, the mounting plate and the cover body jointly form the mounting cavity, the motor of the driving assembly 40 is fixedly installed on the side of the mounting plate away from the mounting cavity, the motor shaft of the motor extends into the mounting cavity, the gear of the driving assembly 40 is fixed on the motor shaft and partially accommodated in the mounting cavity, and the gear is engaged with the transmission ring 11 at the position where the mounting cavity communicates with the annular accommodating groove 211.

[0125] In another example, the mounting portion 22 includes a mounting shell, the mounting shell has the mounting cavity formed therein, the motor of the driving assembly 40 is fixedly installed in the mounting cavity, the gear of the driving assembly 40 is fixed on the motor shaft and partially accommodated in the mounting cavity, and the gear is engaged with the transmission ring 11 at the position where the mounting cavity communicates with the annular accommodating groove 211. In another example, the mounting portion 22 includes a mounting shell, the mounting shell has the mounting cavity formed therein, the motor of the driving assembly 40 is fixedly installed in the mounting cavity, the gear of the driving assembly 40 is fixed on the motor shaft and partially accommodated in the mounting cavity, and the gear is engaged with the transmission ring 11 at the position where the mounting cavity communicates with the annular accommodating groove 211.

[0126] In some examples, as shown in Figure 1 and Figure 2 The fixing body 20 further comprises a fixing support 50, which is provided with a fixing portion and a locking portion 511. The fixing portion is fixedly connected with the lower shell 21, and the locking portion 511 is used to be fixedly connected with the sleeve 202 below the steering wheel 200, so as to fix the lower shell 21 below the steering wheel 200.

[0127] In this way, the assembly of the fixing body 20 is facilitated, and the assembly efficiency of the steering control device 100 is improved. At the same time, the fixing body 20 is fixedly arranged below the steering wheel 200 through the fixing support 50, so as to reduce the influence of the vibration of the agricultural machinery on the steering control device 100, thereby improving the reliability of the steering control device 100.

[0128] In some examples, as shown in Figure 1 and Figure 2 The fixing support 50 comprises a lock 51 and a support frame 52. One side of the lock 51 is provided with the locking portion 511, and the other side of the lock 51 is fixedly connected with the support frame 52. The side of the support frame 52 away from the lock 51 is provided with a connecting hole to form a fixed connection portion. The support frame 52 is fixedly connected with the lower shell through the connecting hole and a screw structure.

[0129] In this way, the assembly of the fixing body 20 is facilitated, and at the same time, the locking portion 511 of the lock 51 is locked with the sleeve 202, so as to improve the adaptability of the fixing support 50 to the sleeve 202.

[0130] The specific form of the lock 51 is various. The lock 51 can comprise a hoop or two clamping plates and two bolts. When the two clamping plates are clamped on the opposite sides of the sleeve 202, the two clamping plates are fixed through the two bolts, so as to fix the lock 51 on the circumferential side of the sleeve 202.

[0131] The embodiment of the present application also provides an automatic driving system, which comprises a vehicle-mounted computer terminal and the steering control device 100. The specific structure of the steering control device 100 is referred to the above-mentioned embodiments. Since the automatic driving system adopts all the technical solutions of the above-mentioned embodiments, it at least has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be repeated here.

[0132] The vehicle-mounted computer terminal comprises a positioning module and a control module. The positioning module is in communication connection with a positioning system to obtain position information. The positioning module and the driving assembly 40 are electrically connected with the control module. The control module controls the work of the driving assembly 40 according to the position information obtained by the positioning module, so as to adjust the moving direction of the agricultural machinery.

[0133] The positioning system can be a global positioning system (GPS), a Beidou navigation system, etc., which can provide accurate position information for the positioning module, and the control module can accurately determine the specific position of the agricultural machine according to the position information, and can calculate the speed and other information of the agricultural machine according to the change of the position information.

[0134] It can be understood that the control module controls the working of the driving assembly 40 to adjust the moving direction of the agricultural machine, which generally means that the agricultural machine is controlled to move within a preset range, for example, the agricultural machine is controlled to move in a designated farmland.

[0135] Of course, in some examples, the vehicle-mounted computer terminal can also communicate with other communication devices to receive information of other devices, to control the working of the driving assembly 40 according to the information, to adjust the moving direction of the agricultural machine, so as to realize the remote operation of the agricultural machine.

[0136] The above description is only optional embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation, direct / indirect application in other related technical fields within the concept of the present application, and the contents of the present application and the drawings are included in the patent protection scope of the present application.

Claims

1. A transmission ring for a steering control device, characterized in that, The transmission ring is used to connect with the steering wheel to drive the steering wheel to rotate. One of the outer and inner circumferential sides of the transmission ring is provided with a driving part, which is used to drive the power source. The other side is provided with a guide part, which is used to cooperate with the moving part to define the rotation plane of the transmission ring.

2. The transmission ring as described in claim 1, characterized in that, The projection of the guide portion in the radial direction of the transmission ring at least partially overlaps with the drive portion.

3. The transmission ring as described in claim 1, characterized in that, The drive portion is provided on the outer circumference of the transmission ring, and the guide portion is provided on the inner circumference of the transmission ring; or the guide portion is provided on the outer circumference of the transmission ring, and the drive portion is provided on the inner circumference of the transmission ring.

4. The transmission ring as described in claim 1, characterized in that, The guide portion is located at the center in the thickness direction of the transmission ring.

5. The transmission ring as described in claim 1, characterized in that, The transmission ring has a circular structure.

6. The transmission ring as described in claim 5, characterized in that, The transmission ring includes a first body and a second body, both of which are arc structures. The first body and the second body can be combined with each other to form the transmission ring, or can be separated from each other.

7. The transmission ring as described in claim 1, characterized in that, The length of the driving part in the thickness direction of the transmission ring is greater than or equal to the length of the guide part in the thickness direction of the transmission ring.

8. A steering control device for achieving automatic driving by controlling the rotation of a steering wheel around a corresponding axis, characterized in that, It includes rotating bodies, fixed bodies, moving parts, and drive components, among which, The rotating body is used for fastening connection with the steering wheel, and the rotating body includes a transmission ring as described in any one of claims 1 to 7; The fixing body is used to fix it below the steering wheel; The movable component is rotatably mounted on the fixed body and rolls to support the transmission ring; The drive assembly is connected to the drive part of the transmission ring, so that the rotating body rotates relative to the fixed body under the drive of the drive assembly, thereby driving the steering wheel to rotate around the axis.

9. The steering control device as claimed in claim 8, characterized in that, The movable part is recessed with a mating groove, and the transmission ring is protruded with a mating portion to form the guide portion. The mating portion is at least partially accommodated in the mating groove to provide rolling support for the transmission ring.

10. The steering control device as claimed in claim 8, characterized in that, The transmission ring is recessed with an annular guide groove to form the guide portion, and the movable member is at least partially accommodated in the annular guide groove and rolls to support the transmission ring.

11. The steering control device as claimed in claim 10, characterized in that, The annular guide groove has a first edge and a second edge, which are arranged opposite to each other in the thickness direction of the transmission ring.

12. The steering control device as claimed in claim 11, characterized in that, The first distance between the first edge and the second edge in the thickness direction of the transmission ring is 0.4 to 0.6 times the thickness of the transmission ring.

13. The steering control device as claimed in claim 12, characterized in that, The transmission ring includes a first surface and a second surface, which are disposed opposite to each other in the thickness direction of the transmission ring, with the first edge adjacent to the first surface and the second edge adjacent to the second surface.

14. The steering control device as claimed in claim 13, characterized in that, The second distance between the first edge and the first surface in the thickness direction of the transmission ring is 0.2 to 0.3 times the thickness of the transmission ring, and the third distance between the second edge and the second surface in the thickness direction of the transmission ring is 0.2 to 0.3 times the thickness of the transmission ring.

15. The steering control device as claimed in claim 14, characterized in that, The second distance is equal to the third distance.

16. The steering control device as claimed in claim 10, characterized in that, The cross-section of the annular guide groove is an isosceles trapezoid.

17. The steering control device as claimed in claim 10, characterized in that, The transmission ring is arranged around the rotating shaft.

18. The steering control device as claimed in claim 17, characterized in that, The movable component includes a first rolling support body, which includes a rotating shaft and a fixed wheel. One end of the rotating shaft is rotatably mounted on the fixed body, and the other end of the rotating shaft is fixedly mounted on the fixed wheel. The fixed wheel is at least partially housed in the annular guide groove and rolls in contact with at least one side wall of the annular guide groove near the steering wheel to roll and support the transmission ring.

19. The steering control device as claimed in claim 17, characterized in that, The movable component includes a second rolling support, which includes a fixed shaft and a rotating wheel. One end of the fixed shaft is fixedly mounted on the fixed body, and the other end of the fixed shaft is rotatably mounted on the rotating wheel. The rotating wheel is at least partially housed in the annular guide groove and rolls in contact with at least one side wall of the annular guide groove near the steering wheel to roll and support the transmission ring.

20. The steering control device as claimed in claim 10, characterized in that, The drive assembly is connected to the transmission ring via a spur gear meshing connection.

21. The steering control device as claimed in claim 20, characterized in that, The outer circumferential side of the transmission ring is provided with a plurality of straight teeth, which extend along the thickness direction of the transmission ring and are evenly spaced along the circumference of the transmission ring to form the driving part. The drive assembly includes the spur gear, and the spur gear is meshed with a plurality of the spur teeth.

22. The steering control device as claimed in claim 21, characterized in that, The drive assembly further includes a first motor, the motor shaft of the first motor extending along the thickness direction of the transmission ring, and the spur gear fixed on the motor shaft of the first motor so that when the motor shaft of the first motor rotates, it synchronously drives the spur gear to rotate.

23. The steering control device as claimed in claim 10, characterized in that, The drive assembly is connected to the transmission ring via a bevel gear meshing connection.

24. The steering control device as claimed in claim 23, characterized in that, The outer periphery of the transmission ring is also provided with an inclined surface and multiple inclined teeth. The multiple inclined teeth are equally spaced along the circumference of the transmission ring on the inclined surface to form the driving part. The drive assembly includes the bevel gear, and the bevel gear is meshed with a plurality of the helical teeth.

25. The steering control device as claimed in claim 24, characterized in that, The drive assembly also includes a second motor, the motor shaft of the second motor extending radially along the transmission ring, and the bevel gear fixed on the motor shaft of the second motor so as to synchronously drive the bevel gear to rotate when the motor shaft of the second motor rotates.

26. The steering control device as claimed in claim 8, characterized in that, The rotating body also includes an upper housing surrounding the rotating shaft, and the transmission ring is fastened to the steering wheel through the upper housing.

27. The steering control device as claimed in claim 8, characterized in that, The fixing body includes a lower housing surrounding the pivot, and the lower housing is fixedly disposed below the steering wheel.

28. The steering control device as claimed in claim 27, characterized in that, The lower housing is provided with an annular receiving groove, the transmission ring is housed in the annular receiving groove, and the movable part is rotatably disposed on the bottom wall of the annular receiving groove and rolls to support the transmission ring.

29. The steering control device as claimed in claim 28, characterized in that, The fixing body further includes a mounting portion having a mounting cavity, the mounting portion being disposed adjacent to the annular receiving groove, and the mounting cavity being connected to the annular receiving groove for mounting the drive assembly.

30. The steering control device as claimed in claim 27, characterized in that, The fixing body also includes a fixing bracket, which has a fixing part and a locking part. The fixing part is fixedly connected to the lower housing, and the locking part is used to fixally connect to the sleeve below the steering wheel, so as to fix the lower housing below the steering wheel.

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