Steering control device and agricultural machine

Abstract

The steering control device comprises a shell and a gear ring, a rotating supporting piece is arranged between the shell and the gear ring, and the gear ring is rotatably supported on the shell through the rotating supporting piece; wherein the rotary supporting piece is arranged on the top side and / or the bottom side of the gear ring. According to the steering control device, the rotating supporting piece is arranged between the shell and the gear ring to maintain stable rotation of the gear ring, the rotating supporting piece is arranged on the top side and / or the bottom side of the gear ring, so that no space needs to be reserved between the shell and the outer circle of the gear ring to arrange the rotating supporting piece, and the radial size of the whole steering control device is reduced; therefore, when the steering control device is installed in the cockpit, the occupied space is smaller, and meanwhile, the steering control device is suitable for part of installation scenes where the cockpit space is relatively narrow.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automatic control equipment, and in particular to a steering control device and an agricultural machine. 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. 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 computer terminal and a steering control device, and the steering control device is installed on the steering wheel of the agricultural machinery. The vehicle 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.

[0003] However, the existing steering control device has the defect of large radial size, which leads to the problem of occupying a large space in the driver's cabin of the agricultural machine during installation, and even cannot meet the installation requirements of some relatively cramped driver's cabin space. The specific reason is that the gear ring for driving the steering wheel to rotate is rotatably installed in the housing, in order to ensure the stability of the gear ring installation, a rotating support structure needs to be arranged in the housing to support the gear ring. The existing rotating support structure is arranged on the outer periphery of the gear ring, which leads to the problem of increasing the radial size of the housing, and finally leads to the problem of large radial size of the entire steering control device. CONTENT OF THE UTILITY MODEL

[0004] The purpose of the embodiment of the present utility model is to provide a steering control device and an agricultural machine, which can solve the above-mentioned problems existing in the prior art.

[0005] In order to achieve the above-mentioned purpose, the following technical solutions are adopted in the present application:

[0006] On the one hand, a steering control device is provided, which comprises a housing and a gear ring, and a rotating support is arranged between the housing and the gear ring, and the gear ring is rotatably supported on the housing through the rotating support; wherein the rotating support is arranged on the top side and / or the bottom side of the gear ring.

[0007] Optionally, the rotating support is rotatably installed on the gear ring, and the rotating support can roll relative to the housing; or the rotating support is rotatably installed on the housing, and the rotating support can roll relative to the gear ring.

[0008] Optionally, the top side and / or the bottom side of the gear ring is provided with a rotating installation groove, and the rotating support is rotatably installed in the rotating installation groove; the rotating support can roll relative to the shell.

[0009] Optionally, the top side and / or the bottom side of the gear ring is provided with a limiting ring, the limiting ring is provided in one-to-one correspondence with the rotating installation groove, and the limiting ring limits the rotating support from being separated from the rotating installation groove.

[0010] Optionally, the shell is provided with a rolling groove corresponding to the rolling track of the rotating support, and the rolling groove guides the rolling of the rotating support to limit the radial movement of the gear ring.

[0011] Optionally, the surface of the shell for supporting the rotating support is provided as an inner conical surface or an outer conical surface, and the radial movement of the gear ring is limited by the inner conical surface or the outer conical surface.

[0012] Optionally, the surface of the shell for supporting the rotating support is provided with a rotating installation groove, and the rotating support is rotatably installed in the rotating installation groove; the rotating support can roll relative to the gear ring.

[0013] Optionally, the shell is provided with a limiting ring in one-to-one correspondence with the rotating installation groove, and the limiting ring limits the rotating support from being separated from the rotating installation groove.

[0014] Optionally, the gear ring is provided with a rolling groove corresponding to the rolling track of the rotating support, and the rolling groove guides the rolling of the rotating support to limit the radial movement of the gear ring.

[0015] Optionally, the surface of the gear ring for contacting the rotating support is provided as an inner conical surface or an outer conical surface, and the radial movement of the gear ring is limited by the inner conical surface or the outer conical surface.

[0016] Optionally, the rotating support is a cylindrical roller or a conical roller or a ball.

[0017] Optionally, the shell is provided with a mounting ring groove, and the gear ring is installed in the mounting ring groove.

[0018] Optionally, a top cover is installed on the gear ring, and the top cover closes the slot opening of the mounting ring groove.

[0019] Optionally, the side of the shell located at the mounting ring groove is a ring groove wall plate, the top cover is provided with a protection ring groove corresponding to the wall plate, and the top of the ring groove wall plate extends into the protection ring groove.

[0020] Optionally, the housing includes a housing base and a housing middle frame, the housing middle frame is mounted on the housing base, and the housing base and the housing middle frame enclose the mounting annular groove; the top and bottom sides of the gear ring are respectively provided with the rotating support member, the rotating support member located on the top side of the gear ring contacts the lower surface of the housing middle frame, and the rotating support member located on the bottom side of the gear ring contacts the upper surface of the housing base.

[0021] On the other hand, an agricultural machine is provided, including the aforementioned steering control device.

[0022] The beneficial effects of this application are as follows: This utility model provides a steering control device, in which a rotating support is provided between the housing and the gear ring to maintain the stable rotation of the gear ring. The rotating support is provided on the top side and / or bottom side of the gear ring, so that there is no need to reserve space between the housing and the outer circle of the gear ring to provide a rotating support. This achieves the reduction of the radial dimension of the entire steering control device, which makes the space required for the steering control device to be installed in the cockpit smaller, and is also suitable for installation scenarios where the cockpit space is relatively limited. Attached Figure Description

[0023] The present application will now be described in further detail with reference to the accompanying drawings and embodiments.

[0024] Figure 1 This is a top view of one embodiment of the steering control device (the gear ring is not shown) described in this application.

[0025] Figure 2 for Figure 1 An axial sectional view of the steering control device shown.

[0026] Figure 3 for Figure 2 Enlarged view of region A in the middle;

[0027] Figure 4 This is an axial sectional view of another embodiment of the steering control device described in this application.

[0028] Figure 5 for Figure 4 Enlarged view of region B in the middle;

[0029] Figure 6 This is a top view of yet another embodiment of the steering control device described in this application.

[0030] Figure 7 for Figure 6 An axial sectional view of the steering control device shown.

[0031] Figure 8 for Figure 7 Enlarged view of region C in the middle;

[0032] Figure 9 For Figure 6 Fig. 1 is a schematic diagram of the internal structure of the steering control device.

[0033] In the drawings:

[0034] 1, housing; 11, mounting ring groove; 111, ring groove wall plate; 12, shell base; 13, shell middle frame; 2, gear ring; 3, rotating support; 31, limiting ring; 4, rotating mounting groove; 5, top cover; 51, protective ring groove. DETAILED DESCRIPTION

[0035] In order to make the technical problems solved by the present application, the technical solutions adopted and the technical effects reached more clear, the technical solutions of the embodiments of the present application are described in further detail below. Obviously, the described embodiments are only some of the embodiments of the present application, not 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 protection of the present application.

[0036] In the description of the present application, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. 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.

[0037] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0038] The existing steering control device has the defect of large radial size, resulting in that the space in the driver's cabin of the agricultural machine is occupied when installed, and even the installation requirement of the situation that the space in the driver's cabin is relatively cramped cannot be met. The specific reason is that the gear ring for driving the steering wheel to rotate is rotatably installed in the housing, in order to ensure the stability of the installation of the gear ring, a rotating support structure is also arranged in the housing to support the gear ring, the existing rotating support structure is arranged on the outer periphery of the gear ring, which leads to the problem that the radial size of the housing needs to be increased, and finally leads to the problem that the radial size of the entire steering control device is large.

[0039] In order to overcome the above technical problems, the embodiment provides a steering control device, which comprises a housing 1 and a gear ring 2, a rotating support 3 is arranged between the housing 1 and the gear ring 2, and the gear ring 2 is rotatably supported on the housing 1 through the rotating support 3; wherein the rotating support 3 is arranged on the top side and / or the bottom side of the gear ring 2.

[0040] Specifically, according to the actual application requirement, the rotating support 3 can be arranged only on the top side or the bottom side of the gear ring 2, such as the embodiment shown in Figures 1-3 , and the embodiment shown in Figures 4-5 is that the rotating support 3 is arranged only on the bottom side of the gear ring 2; the rotating support 3 can also be arranged on the top side and the bottom side of the gear ring 2 respectively, such as the embodiment shown in Figures 6-9 is that the rotating support 3 is arranged on the top side and the bottom side of the gear ring 2 respectively.

[0041] In the structure of the steering control device of the embodiment, the housing 1 is the basic structure of the steering control device, which provides the function of installation and protection of the internal components; the gear ring 2 is indirectly connected with the steering wheel, and the control of the steering wheel can be realized by rotating the gear ring 2; the rotating support 3 is the key innovative part in the embodiment, which is used to support the gear ring 2 so that it can stably rotate, which is different from the traditional way of arranging the rotating support structure on the outer periphery of the gear ring 2. In addition to the above structure, the steering control device also comprises a motor, a gear, a connecting mechanism, a mounting clamp, a controller and a sensor, etc. The motor is fixed to the housing 1, the output shaft of the motor is connected with the gear, the gear is engaged with the gear ring 2, and the gear ring 2 can be rotated by the motor; the connecting mechanism is used to connect the gear ring 2 with the steering wheel of the automobile, and the mounting clamp is used to firmly install the steering control device in the driver's cabin of the vehicle, so as to ensure the stability and reliability of the steering control device in the working process.

[0042] Based on the steering control device provided by the embodiment, the beneficial effects are as follows:

[0043] By arranging the rotating support 3 on the top side and / or the bottom side of the gear ring 2, the additional space required for arranging the rotating support structure on the outer periphery of the gear ring 2 is successfully avoided, which significantly reduces the radial size of the entire steering control device, thereby reducing its occupation space in the cockpit. The reduction of the radial size of the steering control device makes it easier to adapt to various cockpit spaces, especially those relatively cramped scenarios, which increases the applicability of the steering control device in the field of agricultural machinery, enabling it to be more widely used in different types of agricultural machinery. In addition, due to the reduction of the radial size, the space required for the steering control device during installation is also correspondingly reduced, which makes the installation process more convenient and fast, reducing the installation cost and time.

[0044] In an embodiment, the rotating support 3 is rotatably mounted on the gear ring 2, and the rotating support 3 can roll relative to the housing 1; or, the rotating support 3 is rotatably mounted on the housing 1, and the rotating support 3 can roll relative to the gear ring 2.

[0045] When the rotating support 3 is rotatably mounted on the gear ring 2, during the rotation of the gear ring 2, all rotating supports 3 will revolve around the axis of the gear ring 2, while the rotating supports 3 rotate to realize rolling on the surface of the housing 1; when the rotating support 3 is rotatably mounted on the housing 1, during the rotation of the gear ring 2, only the rotating support 3 will be rotated to make the rotating support 3 roll relative to the surface of the gear ring 2.

[0046] Regardless of the installation method, by enabling the rotating support 3 to roll, the friction and wear between it and the housing 1 or the gear ring 2 can be significantly reduced, which helps to improve the durability and reliability of the steering control device and prolong its service life. In both installation methods, the rotating support 3 can always maintain good stability, which ensures that the rotating support 3 can always provide stable support for the rotation of the gear ring 2, ensuring the stability of the rotation of the gear ring 2.

[0047] In an embodiment, as shown in the embodiment shown in Figures 4-9 the top side and / or the bottom side of the gear ring 2 is provided with a rotating mounting groove 4, and the rotating support 3 is rotatably mounted in the rotating mounting groove 4; the rotating support 3 can roll relative to the housing 1.

[0048] In this embodiment, the gear ring 2 of the steering control device is designed to be provided with rotating installation grooves 4 on its top side and / or bottom side, which provide a rotatable installation environment for the rotating support 3, so that the rotating support 3 can stably support the gear ring 2 and allow it to rotate; specifically, the rotating installation grooves 4 can be a series of grooves or holes distributed along the circumferential direction of the gear ring 2, which are precisely designed and manufactured to ensure that the rotating support 3 can be precisely installed therein. The rotating support 3 can include balls, shafts, bearings or other rolling elements, which are designed to be able to tightly fit in the rotating installation grooves 4 and roll relative to the housing 1 when needed.

[0049] By providing rotating installation grooves 4 on the top side and / or bottom side of the gear ring 2, the rotatable installation stability of the rotating support 3 can be ensured, and the steering accuracy and stability of the steering control device can be significantly improved.

[0050] In one embodiment, the top side and / or bottom side of the gear ring 2 is provided with a limiting ring 31, which is correspondingly arranged with the rotating installation grooves 4, and the limiting ring 31 limits the rotating support 3 from disengaging from the rotating installation grooves 4.

[0051] Specifically, the limiting ring 31 can be a series of annular or semi-annular structures distributed along the circumferential direction of the gear ring 2, which are tightly installed on the gear ring 2 and arranged around the openings of the rotating installation grooves 4. The inner diameter of the limiting ring 31 is smaller than the outer diameter of the rotating support 3, so as to ensure that the rotating support 3 can be firmly limited in the rotating installation grooves 4 after installation, while still allowing it to rotate and roll relative to the gear ring 2 and the housing 1 as needed. When the rotating support 3 is installed into the rotating installation grooves 4, it will be constrained by the limiting ring 31, and this constraint ensures that the rotating support 3 will not slip out of the rotating installation grooves 4 when subjected to external forces, thereby ensuring the stability and reliability of the steering control device.

[0052] In one embodiment, the housing 1 is provided with a rolling groove corresponding to the rolling track of the rotating support 3, which guides the rolling of the rotating support 3 to limit the radial movement of the gear ring 2.

[0053] The rolling groove is a groove or track distributed along the circumferential direction of the housing 1, which is precisely designed and manufactured in shape and size to match the rolling track of the rotating support 3. When the rotating support 3 rotates in the rotating installation groove 4 and rolls relative to the housing 1, it will roll along the track of the rolling groove, which not only helps to reduce friction and wear, but also ensures that the gear ring 2 will not deviate from its predetermined track during rotation.

[0054] The guiding effect of the rolling groove significantly improves the stability of the steering control device, ensuring that the gear ring 2 does not deviate from its predetermined trajectory during rotation, thereby avoiding potential malfunctions and accidents.

[0055] In another embodiment, the surface on the housing 1 used to support the rotating support 3 is configured as an inner conical surface or an outer conical surface, which restricts the radial movement of the gear ring 2.

[0056] Specifically, if an inner conical surface design is adopted, the surface of the housing 1 supporting the rotating support 3 will exhibit a gradually narrowing inner conical shape, while the rotating support 3 may have a conical or spherical structure matching the inner conical surface. When the rotating support 3 is placed on the inner conical surface of the housing 1, it will be radially constrained by the conical surface, thus limiting the movement of the gear ring 2 in the radial direction. Conversely, if an outer conical surface design is adopted, the surface of the housing 1 supporting the rotating support 3 will exhibit a gradually widening conical shape, and the rotating support 3 may also have a conical or spherical structure matching the outer conical surface. When the rotating support 3 is placed on the inner conical surface of the housing 1, it will be radially constrained by the outer conical surface, thus limiting the movement of the gear ring 2 in the radial direction.

[0057] Similarly, the radial limiting effect of the inner or outer conical surface significantly improves the stability of the steering control device, ensuring that the gear ring 2 does not deviate from its predetermined trajectory during rotation, thereby avoiding potential malfunctions and accidents.

[0058] In another embodiment, such as Figures 1-3 In the embodiment shown, the surface of the housing 1 for supporting the rotating support 3 is provided with a rotating mounting groove 4, the rotating support 3 can be rotatably mounted in the rotating mounting groove 4, and the rotating support 3 can roll relative to the gear ring 2.

[0059] In this embodiment, the surface of the housing 1 for supporting the rotating support 3 is provided with rotating mounting grooves 4. These rotating mounting grooves 4 provide a rotatable mounting environment for the rotating support 3, allowing it to be stably mounted on the housing 1 and allowing it to rotate. Specifically, the rotating mounting grooves 4 may be a series of grooves or holes distributed along the circumference of the gear ring 2, which are precisely designed and manufactured to ensure that the rotating support 3 can be accurately mounted therein. The rotating support 3 may include balls, shafts, bearings, or other rolling elements, which are designed to fit tightly in the rotating mounting grooves 4 and roll relative to the gear ring 2 when needed.

[0060] By providing a rotating mounting groove 4 in the housing 1, the stability of the rotating support 3 can be ensured, which can significantly improve the steering accuracy and stability of the steering control device.

[0061] In one embodiment, the housing 1 is provided with a limiting ring 31 corresponding to each rotating installation groove 4, which limits the rotating support 3 from being separated from the rotating installation groove 4.

[0062] Specifically, the limiting ring 31 can be a series of annular or semi-annular structures distributed along the circumferential direction of the gear ring 2, which are tightly installed on the housing 1 and arranged around the opening of the rotating installation groove 4. The inner diameter of the limiting ring 31 is smaller than the outer diameter of the rotating support 3, so as to ensure that the rotating support 3 can be firmly limited in the rotating installation groove 4 after installation, while still allowing it to rotate and roll relative to the gear ring 2 and the housing 1 as necessary. When the rotating support 3 is installed into the rotating installation groove 4, it will be constrained by the limiting ring 31, which ensures that the rotating support 3 will not slide out of the rotating installation groove 4 when subjected to external forces, thereby ensuring the stability and reliability of the steering control device.

[0063] In one embodiment, the gear ring 2 is provided with a rolling groove corresponding to the rolling track of the rotating support 3, which guides the rolling of the rotating support 3 to limit the radial movement of the gear ring 2.

[0064] The rolling groove is a groove or track distributed along the circumferential direction of the gear ring 2, which is precisely designed and manufactured in shape and size to match the rolling track of the rotating support 3. When the rotating support 3 rotates in the rotating installation groove 4 and rolls relative to the gear ring 2, it will roll along the track of the rolling groove, which not only helps to reduce friction and wear, but also ensures that the gear ring 2 will not deviate from its predetermined track during rotation.

[0065] The guiding effect of the rolling groove significantly improves the stability of the steering control device, which ensures that the gear ring 2 will not deviate from its predetermined track during rotation, thereby avoiding potential failures and accidents.

[0066] In another embodiment, the surface of the gear ring 2 for contacting the rotating support 3 is provided as an inner or outer conical surface, which limits the radial movement of the gear ring 2.

[0067] In particular, if an inner conical surface design is used, the surface of the ring gear 2 used to contact the rotational support 3 will exhibit a gradually narrowing inner conical shape, while the rotational support 3 can have a conical or spherical structure that matches the inner conical surface, which is radially constrained when the rotational support 3 contacts the inner conical surface, thereby limiting the movement of the ring gear 2 in the radial direction. Conversely, if an outer conical surface design is used, the surface of the ring gear 2 used to contact the rotational support 3 will exhibit a gradually widening conical shape, while the rotational support 3 can have a conical or spherical structure that matches the outer conical surface, which is radially constrained when the rotational support 3 contacts the outer conical surface, thereby limiting the movement of the ring gear 2 in the radial direction.

[0068] Likewise, the radial limiting action of the inner or outer conical surface significantly improves the stability of the steering control device, which ensures that the ring gear 2 does not deviate from its intended trajectory during rotation, thereby avoiding potential malfunctions and accidents.

[0069] In one embodiment, the rotational support 3 is a cylindrical roller or a conical roller or a ball.

[0070] The cylindrical roller has a simple cylindrical structure that allows the ring gear 2 to maintain a small amount of friction and wear during rotation.

[0071] As shown in the embodiment Figures 1-3 The conical roller has a narrower end and a wider end, forming a conical structure. This design allows the conical roller to better adapt to the conical surface structure of the housing 1 and the ring gear 2, thereby providing a tighter fit and better guidance to limit the movement of the ring gear 2 in the radial direction. Conical rollers are typically used in applications that require high axial and radial loads.

[0072] As shown in the embodiment Figures 4-9 The ball is a spherical rotational support 3, which is typically used in applications that require high precision and low friction. The ball can provide very smooth rolling motion and help reduce friction and wear between the ring gear 2 and the housing 1.

[0073] In one embodiment, the housing 1 is provided with a mounting ring groove 11, and the ring gear 2 is mounted in the mounting ring groove 11.

[0074] The installation ring groove 11 is an annular groove that matches the shape and size of the gear ring 2 to ensure that the gear ring 2 can be stably installed in the housing 1. The installation ring groove 11 provides a stable and relatively closed installation environment for the gear ring 2, which can provide certain protection for the gear ring 2, avoid external contact with the gear ring 2, and help reduce the radial and axial movement of the gear ring 2 during rotation, which helps to improve the stability and accuracy of the steering control device.

[0075] In an embodiment, referring to Figure 6 , the gear ring 2 is provided with a top cover 5, and the top cover 5 closes the slot of the installation ring groove 11.

[0076] The top cover 5 is usually an annular structure that matches the size and shape of the slot of the installation ring groove 11, and it can be fixed on the gear ring 2 by bolts, buckles or other connection methods to ensure its stability.

[0077] The top cover 5 can close the slot of the installation ring groove 11 to prevent external dust, moisture and other contaminants from entering the interior of the steering control device, which helps to keep the internal components clean and dry, prolonging their service life. The closed space helps to keep the lubricant (such as grease or lubricating oil) in the installation ring groove 11 clean and stable, which helps to reduce friction and wear, improve the efficiency and performance of the steering control device.

[0078] It should be noted that the top cover 5 needs to rotate with the gear ring 2, so it will rotate relative to the housing 1, so there will actually be a gap between the top cover 5 and the housing 1 to avoid friction, so the top cover 5 is not absolutely closed to the installation ring groove 11.

[0079] In an embodiment, referring to Figure 7 , the side of the housing 1 where the installation ring groove 11 is located is a ring groove wall plate 111, and the top cover 5 is provided with a protective ring groove 51 corresponding to the wall plate, and the top of the ring groove wall plate 111 extends into the protective ring groove 51.

[0080] The protective ring groove 51 is an annular groove that matches the shape and size of the top of the ring groove wall plate 111, and when the top cover 5 is installed in place, the top of the ring groove wall plate 111 will extend into the protective ring groove 51, forming a concave-convex matching structure, which improves the protection capability of the steering control device through the physical barrier.

[0081] When the steering control device is running, the gear ring 2 drives the top cover 5 to rotate, while the ring groove wall plate 111 remains stationary. Due to the presence of the protective ring groove 51, external contaminants will be blocked by the physical barrier when they try to enter the interior of the steering control device, which reduces the possibility of contaminants entering the interior of the device, thereby maintaining the cleanliness and dryness of the internal components.

[0082] In an embodiment, the shell 1 comprises a shell base 12 and a shell middle frame 13, the shell middle frame 13 is mounted on the shell base 12, the shell base 12 and the shell middle frame 13 enclose the mounting ring groove 11; the top side and the bottom side of the gear ring 2 are respectively provided with the rotation support 3, the rotation support 3 located on the top side of the gear ring 2 contacts the lower surface of the shell middle frame 13, and the rotation support 3 located on the bottom side of the gear ring 2 contacts the upper surface of the shell base 12.

[0083] In this structure, the top side and the bottom side of the gear ring 2 are respectively provided with the rotation support 3 to provide support, which greatly improves the stability of the installation of the gear ring 2, effectively limits the possibility of the gear ring 2 moving in the radial direction and the axial direction, and realizes that the gear ring 2 always remains stable rotation.

[0084] By setting the shell base 12 and the shell middle frame 13 structure, the gear ring 2 can be installed on the shell base 12 first, and then the shell middle frame 13 is covered and fixed, which realizes the purpose of reducing the difficulty of installing the gear ring 2 into the mounting ring groove 11. The shell base 12 and the shell middle frame 13 can be manufactured and processed respectively, and then assembled, and this modular design simplifies the manufacturing process and improves the production efficiency.

[0085] On the other hand, a farm machine is provided, comprising the above-mentioned steering control device.

[0086] Similarly, the steering control device based on the embodiment occupies less radial space in the farm machine of the embodiment, which reserves more activity space for the cab of the farm machine, and at the same time simplifies the disassembly and assembly difficulty of the steering control device in the farm machine.

[0087] In the description herein, it should be understood that the terms "upper", "lower", "left", "right", and the like orientation or position relationship are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", are only used to distinguish in the description, and have no special meaning.

[0088] In the description of the present specification, the description referring to the terms "an embodiment", "an example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example.

[0089] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

[0090] The technical principles of the present application are described above in combination with specific embodiments. These descriptions are only for the purpose of explaining the principles of the present application, and cannot be interpreted in any way as a limitation on the scope of protection of the present application. Based on the explanations here, those skilled in the art can think of other specific embodiments of the present application without creative labor, and these ways will fall within the scope of protection of the present application.

Claims

1. A steering control device, characterized in that, It includes a housing (1) and a gear ring (2), and a rotating support (3) is provided between the housing (1) and the gear ring (2). The gear ring (2) is rotatably supported on the housing (1) by the rotating support (3); wherein the rotating support (3) is provided on the top side and / or bottom side of the gear ring (2).

2. The steering control device according to claim 1, characterized in that, The rotating support (3) is rotatably mounted on the gear ring (2) and the rotating support (3) can roll relative to the housing (1); or, the rotating support (3) is rotatably mounted on the housing (1) and the rotating support (3) can roll relative to the gear ring (2).

3. The steering control device according to claim 1, characterized in that, The top and / or bottom sides of the gear ring (2) are provided with a rotating mounting groove (4), and the rotating support (3) can be rotatably mounted in the rotating mounting groove (4); the rotating support (3) can roll relative to the housing (1).

4. The steering control device according to claim 3, characterized in that, The toothed ring (2) is provided with a limiting ring (31) on its top side and / or bottom side. The limiting ring (31) is provided in a one-to-one correspondence with the rotating mounting groove (4). The limiting ring (31) restricts the rotating support (3) from disengaging from the rotating mounting groove (4).

5. The steering control device according to claim 4, characterized in that, The housing (1) is provided with a rolling groove corresponding to the rolling trajectory of the rotating support (3). The rolling groove guides the rolling of the rotating support (3) to limit the radial movement of the gear ring (2).

6. The steering control device according to claim 4, characterized in that, The surface of the housing (1) used to support the rotating support (3) is set as an inner conical surface or an outer conical surface, which restricts the radial movement of the gear ring (2).

7. The steering control device according to claim 1, characterized in that, The housing (1) has a rotating mounting groove (4) on its surface for supporting the rotating support member (3). The rotating support member (3) can be rotatably mounted in the rotating mounting groove (4) and can roll relative to the gear ring (2).

8. The steering control device according to claim 7, characterized in that, The housing (1) is provided with a limiting ring (31) corresponding to the rotating mounting groove (4), and the limiting ring (31) restricts the rotating support (3) from disengaging from the rotating mounting groove (4).

9. The steering control device according to claim 8, characterized in that, The gear ring (2) is provided with a rolling groove corresponding to the rolling trajectory of the rotating support (3). The rolling groove guides the rolling of the rotating support (3) to limit the radial movement of the gear ring (2).

10. The steering control device according to claim 8, characterized in that, The surface of the gear ring (2) that is used to contact the rotating support (3) is configured as an inner conical surface or an outer conical surface, which restricts the radial movement of the gear ring (2).

11. The steering control device according to claim 1, characterized in that, The rotating support (3) is a cylindrical roller, a conical roller, or a ball bearing.

12. The steering control device according to claim 1, characterized in that, The housing (1) is provided with a mounting ring groove (11), and the gear ring (2) is installed in the mounting ring groove (11).

13. The steering control device according to claim 12, characterized in that, A top cover (5) is installed on the gear ring (2), and the top cover (5) closes the opening of the mounting ring groove (11).

14. The steering control device according to claim 13, characterized in that, The housing (1) has an annular groove wall plate (111) on the side of the mounting annular groove (11), and the top cover (5) is provided with a protective annular groove (51) corresponding to the wall plate. The top of the annular groove wall plate (111) extends into the protective annular groove (51).

15. The steering control device according to claim 12, characterized in that, The housing (1) includes a housing base (12) and a housing middle frame (13). The housing middle frame (13) is mounted on the housing base (12). The housing base (12) and the housing middle frame (13) enclose each other to form the mounting annular groove (11). The top and bottom sides of the gear ring (2) are respectively provided with the rotating support member (3). The rotating support member (3) located on the top side of the gear ring (2) contacts the lower surface of the housing middle frame (13), and the rotating support member (3) located on the bottom side of the gear ring (2) contacts the upper surface of the housing base (12).

16. An agricultural machine, characterized in that, Includes the steering control device according to any one of claims 1-15.

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