• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention discloses a universal electric driving control device for the automatic navigation of an agricultural machine, which belongs to the technical field of agricultural machinery. The device includes a mounting base, a rotating shaft which is connected to a steering wheel and a drive mechanism for driving the rotating shaft in rotation, in which the rotating shaft is movably mounted on the mounting base. ; the drive mechanism comprises a motor which is mounted on the mounting base and a transmission assembly which is arranged on the rotary shaft and an output end of the motor; a clamp assembly connected to the agricultural machine is provided at the foot of the mounting base, a mounting column attached to the agricultural machine is provided at the foot of the rotating shaft, and the mounting column is movably connected to the rotating shaft. The whole device can be installed on any agricultural machine via the mounting column, and can be easily disassembled and installed.
    公开号:BE1027330B1
    申请号:E20205425
    申请日:2020-06-12
    公开日:2021-06-03
    发明作者:Hui Fang；Yong He；Hai Chen；Yu Wang；Yufei Liu
    申请人:Univ Zhejiang；
    IPC主号:
    专利说明:

    UNIVERSAL ELECTRIC DRIVING CONTROL DEVICE FOR AUTOMATIC NAVIGATION OF AN AGRICULTURAL MACHINE
    TECHNICAL FIELD The present invention relates to the technical field of agricultural machines and, in particular, to a universal electric driving control device for the automatic navigation of an agricultural machine. BACKGROUND Today, agricultural machinery is developed rapidly, especially in precision agriculture. As the core technology of a precision agriculture system, automatic navigation agricultural technology is widely used in agricultural production processes such as cultivation, fertilization, pesticide spraying and harvesting. Automatic navigation technology can reduce the labor intensity of the workforce, reduce repeated operation areas and missed operation areas, and improve the quality and productivity of work. As a key element of the technology of automatic navigation, mainly electric drive control is used to receive control instructions for the purpose of effecting the driving of the agricultural machine, thereby making it possible to work on a predetermined path.
    Chinese Patent No. CN 103676952 A discloses an automatic navigation device for an agricultural machine, which includes an electric driving control assembly, a vehicle-mounted control computer, a GPS receiver and an automatic driving control device. engine, wherein the electric drive control assembly is fixedly connected to an agricultural machine steering column and is connected to the automatic engine drive control device; the automatic engine driving controller is sequentially connected to the vehicle mounted control computer as well as to the GPS receiver; the electric drive control assembly includes a steering wheel, a drive motor, a socket, and a photoelectric encoder, wherein both ends of a rotor of the drive motor extend beyond a stator; the sleeve is fitted into the rotor; a lower end of the steering wheel device and an upper end of the socket are fixedly connected to an upper end of the rotor through fasteners; and the photoelectric encoder is fixedly connected to a lower end of the rotor through a fastener.
    Most existing electric driving controllers are rotated using direct drive motors, which require greater torque, exhibit low universality, and greatly increase cost.
    SUMMARY The present invention provides a universal electric drive control device for the automatic navigation of an agricultural machine. The device is able to perform driving without requiring high torque, and is characterized by low costs as well as a wide field of application.
    To achieve the above object, the universal electric driving control device for automatic navigation of an agricultural machine provided by the present invention comprises a mounting base, a rotating shaft which is connected to a steering wheel and a steering wheel. drive mechanism for driving the rotary shaft in rotation, wherein the rotary shaft is movably mounted on the mounting base; the drive mechanism comprises a motor which is mounted on the mounting base and a transmission assembly which is arranged on the rotary shaft and an output end of the motor; a clamp assembly connected to the agricultural machine is provided at the foot of the mounting base, a mounting column attached to the agricultural machine is provided at the foot of the rotating shaft, and the mounting column is movably connected to the rotating shaft.
    In the above technical solution, the entire device can be installed on the agricultural machine via the mounting column. Through the use of the clamping assembly, the device is not only easy to disassemble and assemble, but it is also suitable for installation on all wheeled agricultural machinery.
    - The clamping assembly can be connected to the mounting base by means of a damping block, which has a specific structure intended to optimize the influence of the weight of the engine on the whole structure. The device can be connected to an external spline shaft of the agricultural machine by an internal spline block, so that the electric driving controller has better portability. If the electric drive control device is to be installed on other agricultural machinery, only the internal spline block needs to be replaced; and the existing driving control device is basically designed for a certain agricultural machine and has no portability. The whole structure is simple and compact, easy to assemble and disassemble, and benefits from a wide field of application.
    To achieve the transmission of the engine, the transmission assembly preferably comprises a large chain sprocket which is fixed to the rotating shaft, a small chain sprocket which is fixed to the output end of the motor, and a chain which is arranged between the large chain sprocket and the small chain sprocket. The chain sprockets and chain are adopted for speed reduction transmission, which increases the torque for the purpose of causing the front wheels to turn, thereby reducing the requirement on an engine running torque. Torque is an important parameter to measure engine performance and to a large extent determines the cost of the engine. Most of the existing electric driving controllers are operated by direct drive motors. This requires a high torque, their cost is therefore relatively high. Chain and chain sprocket transmission mode can greatly reduce the cost of the engine.
    For ease of installation, the mounting base is preferably provided with a bearing for mounting the rotary shaft, a circumferential surface of the rotary shaft is provided with a positioning step structure, a top surface of the step structure positions the large chain sprocket, and a lower surface thereof is provided with a clamp spring for positioning the bearing. Once in place, the large chain sprocket can be welded to the circumferential surface of the rotating shaft.
    Preferably, an upper end of the rotary shaft is connected to a first outer spline shaft, a lower end thereof is connected to a second outer spline shaft of the agricultural machine, and the second outer spline shaft is connected in such a manner. movable to the mounting column via a bearing.
    Preferably, the clamp assembly includes a support block which is attached to the foot of the mounting base and a hoop for attaching the mounting column to the support block.
    Preferably, one side of the support plate is provided with a semicircular structure which coincides with an outer surface of the mounting column, and the hoop is connected - to the support plate via a bolt. . In order to allow the clamp assembly to embrace the mounting column and prevent the mounting column from falling, the hoop is preferably provided with a fixing screw.
    Compared to the prior art, the present invention offers the following advantageous effects.
    The universal electric driving control device for automatic navigation of an agricultural machine according to the present invention is characterized by compact overall structure, low production costs, ease of installation and troubleshooting, high universality, suitability. to a large-scale enterprise production and high practical value.
    BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic structural diagram of a universal electric driving control device for automatic navigation of an agricultural machine according to an example of the present invention; Figure 2 is a sectional view of a rotary shaft according to an example of the present invention; Figure 3 is a schematic structural diagram of a hoop according to an example of the present invention; Figure 4 is a schematic structural diagram of a support plate according to an example of the present invention; and Figure 5 is a schematic structural diagram of a first outer splined shaft according to an example of the present invention.
    DETAILED DESCRIPTION In order to show more clearly the objectives, the technical solutions and the advantages of the present invention, the following further describes the present invention in detail with reference to examples as well as to the accompanying drawings.
    Example Referring to Figures 1 to 5, a universal electric drive control device for the automatic navigation of an agricultural machine according to the present example comprises a first external splined shaft 1, a rotary shaft 2, a large chain sprocket 3. , a bearing seat 4, a support seat 5, a hoop 6, a support plate 7, a damper block 8, a baffle 9, a motor 10 and a small chain sprocket 11.
    An upper end of the first external splined shaft 1 is a threaded structure 101; the middle of it consists of external splined teeth 102 which are assembled with and connected to the original steering wheel of the agricultural machine; a lower end thereof is an outer circle flattening structure 103, which is assembled with and connected to an upper end hole 26 of the rotary shaft 2; and a threaded hole 104 in the flattening plane 103 is connected to a through hole 25 in the rotary shaft 2 through a bolt.
    An upper surface of a step 21 on the rotary shaft 2 positions the large chain sprocket, and the large chain sprocket is welded and secured, and a lower surface of the step 21 contacts and is positioned with an inner ring bearing. A clamping spring groove 22 is used to install a spring locating bearing of
    > BE2020 / 5425 tightening, and an internal spline sleeve assembly hole 23 is used to assemble an internal spline sleeve in order to ensure that the internal spline sleeve rotates with the rotating shaft. A clamp spring groove 24 uses a hole clamp spring to position the internal spline sleeve. A lower end of the rotary shaft 2 is provided with a mounting column 12 which is fixed to the agricultural machine, and the mounting column 12 is movably connected to the rotary shaft 2. A semicircular structure 63 of the hoop 6 is attached to an outer circle of the mounting post 12, and a screw is assembled into a screw hole 61 to abut the outer circle of the mounting post 12. A through hole 62 and two through holes 72 of the support plate 7 are correspondingly concentric and are connected by bolts so as to ensure that the hoop 6 and the support plate 7 closely hug the outer circle of the mounting column
    12. The internal splined bush is assembled with and connected to a second external splined shaft of the agricultural machine for the purpose of providing coaxial rotation. The second outer splined shaft is movably connected to the mounting column 12 via a bearing. The large chain sprocket 3 is welded and fixed to the rotary shaft 2, and forms a transmission mechanism with the small chain sprocket 11 through a chain. In the process of operation, a motor shaft rotates to drive the small chain sprocket 11 to rotate, and the rotary shaft 2 is caused to rotate through the chain transmission mechanism. Since the inner spline sleeve and the first outer spline shaft 1 rotate coaxially with the rotary shaft 2, a driving mechanism of the agricultural machine is driven to perform a driving function. The electric driving control device according to the present invention is characterized by low cost and high universality, it can be installed on different types of agricultural machine, it has a compact overall structure, it is easy to install and troubleshoot, and it has a compact overall structure. has a higher practical value. The above paragraphs constitute only an example of specific application of the present invention and do not in any way limit the scope of protection of the present invention. Any technical solution consisting of an equivalent transformation or an equivalent replacement falls within the scope of protection of the present invention.
    权利要求:
    Claims (7)
    [1]
    1. Universal electric driving control device for automatic navigation of an agricultural machine, comprising a mounting base, a rotary shaft which is connected to a steering wheel and a drive mechanism for driving the rotary shaft in rotation. , wherein the rotary shaft is movably mounted on the mounting base; the drive mechanism comprises a motor which is mounted on the mounting base and a transmission assembly which is arranged on the rotary shaft and an output end of the motor; and a clamp assembly connected to the agricultural machine is provided at the foot of the mounting base, a mounting column attached to the agricultural machine is provided at the foot of the rotating shaft, and the mounting column is movably connected to the rotating shaft.
    [2]
    The universal electric driving control device for automatic navigation of an agricultural machine according to claim 1, wherein the transmission assembly comprises a large chain sprocket which is fixed to the rotating shaft, a small chain sprocket. which is attached to the output end of the engine, and a chain which is arranged between the large chain sprocket and the small chain sprocket.
    [3]
    The universal electric driving control device for automatic navigation of an agricultural machine according to claim 2, wherein the mounting base is provided with a bearing for mounting the rotary shaft, a circumferential surface of the rotary shaft. has a positioning step structure, an upper surface of the step structure positions the large chain sprocket, and a lower surface thereof is provided with a clamp spring for positioning the bearing.
    [4]
    The universal electric driving control device for automatic navigation of an agricultural machine according to claim 1, wherein an upper end of the rotary shaft is connected to a first external splined shaft, a lower end thereof is. connected to a second external splined shaft of the agricultural machine, and the second external splined shaft is movably connected to the mounting column through a bearing.
    [5]
    The universal electric driving control device for automatic navigation of an agricultural machine according to claim 1, wherein the clamp assembly comprises a support block which is fixed to the foot of the mounting base and a hoop for fixing. the mounting column on the support block.
    [6]
    A universal electric driving control device for automatic navigation of an agricultural machine according to claim 5, wherein one side of the support plate has a semicircular structure which coincides with an outer surface of the mounting column, and the hoop is connected to the support plate via a bolt.
    [7]
    7. Universal electric driving control device for automatic navigation of an agricultural machine according to claim 6, wherein the hoop is provided with a fixing screw.
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    同族专利:
    公开号 | 公开日
    BE1027330A1|2021-01-06|
    CN110304134A|2019-10-08|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US7349779B2|2004-12-21|2008-03-25|Deere & Company|Automatic steering system|
    CN208376857U|2018-05-21|2019-01-15|永康威力科技股份有限公司|A kind of self-navigation steering wheel arrangement that agricultural machine is driven based on sprocket wheel|
    CN103676952A|2013-12-10|2014-03-26|北京农业智能装备技术研究中心|Automatic guiding device for farm machinery|
    法律状态:
    2021-07-15| FG| Patent granted|Effective date: 20210603 |
    优先权:
    申请号 | 申请日 | 专利标题
    CN201910515793.3A|CN110304134A|2019-06-14|2019-06-14|A kind of agricultural machinery self-navigation general electric steering wheel arrangement|
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