Linear power steering assembly and unmanned agricultural machine operation platform

Abstract

The utility model provides a linear power steering assembly and an unmanned agricultural machine working platform, which are used for solving the problems of limited steering angle and large turning radius of an agricultural machine in the prior art. The linear power mechanism is used for driving the movement mechanism to steer; the moving mechanism comprises a fixing frame hinged to the telescopic end of the linear power mechanism, a rotating shaft vertically and rotationally installed in the fixing frame, a first bevel gear coaxially and fixedly matched with the bottom end of the rotating shaft, a second bevel gear in meshing transmission with the first bevel gear, and wheels coaxially rotating with the second bevel gear. And the power module is used for driving the rotating shaft to rotate. According to the assembly, the linear power mechanism drives the movement mechanism to steer, the movement direction can be flexibly changed, the assembly adapts to complex and changeable environments in hilly and mountainous areas, and therefore the problems that the steering angle is limited, the turning amplitude is large, and flexible steering in a narrow space is difficult are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of agricultural machinery, in particular to a linear power steering component and an unmanned agricultural machinery operating platform. Background Art

[0002] With the improvement of the automation level of agriculture, more and more automated equipment has been applied to agricultural production. In southwest my country, the landform is mainly mountainous and hilly. The hilly and mountainous areas have complex terrain and narrow and winding roads. The steering angle of traditional agricultural machinery is limited and the turning range is relatively large. It is difficult to turn flexibly in a small space, which limits its operation ability in hilly and mountainous areas. At the same time, when agricultural machinery turns at the edge of the field, due to its large turning radius, the repeated rolling of the soil by the agricultural machinery during the turning will lead to soil compaction and crop yield reduction. In addition, during the growth cycle of the crop, it is necessary to use a variety of agricultural machinery to work together to complete the operation, which leads to low operation efficiency and poor economy. Utility Model Content

[0003] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a linear power steering assembly and an unmanned agricultural machinery operating platform, which are used to solve the problems of limited steering angle and large turning radius of agricultural machinery in the prior art.

[0004] In order to achieve the above-mentioned purpose and other related purposes, the utility model provides a linear power steering assembly, comprising:

[0005] A linear power mechanism and a motion mechanism, wherein the linear power mechanism drives the motion mechanism to turn;

[0006] The motion mechanism includes a fixed frame hinged to the telescopic end of the linear power mechanism, a rotating shaft vertically and rotatably installed in the fixed frame, a first bevel gear coaxially fixedly fitted at the bottom end of the rotating shaft, a second bevel gear meshing with the first bevel gear, a wheel coaxially rotating with the second bevel gear, and a power module driving the rotating shaft to rotate.

[0007] Optionally, the linear power mechanism includes an electric push rod, a hydraulic cylinder or a pneumatic cylinder.

[0008] Optionally, the power module includes an electric motor or an internal combustion engine.

[0009] Optionally, the power module includes a motor, and the motor is wirelessly controlled.

[0010] An unmanned agricultural machinery operation platform, comprising the linear power steering assembly;

[0011] It also includes a vehicle frame, vehicle side frames located on the left and right sides of the vehicle frame and slidingly matched with the vehicle frame, a mounting adjustment mechanism arranged at the bottom of the vehicle frame, and four groups of lateral distance adjustment mechanisms arranged around the vehicle frame to extend and retract the vehicle side frames on the left and right sides to both sides. The linear power steering assembly has four groups, and the linear power steering assembly is arranged on the front and rear sides of the vehicle side frame. Each fixed end of the linear power mechanism is hinged to the vehicle side frame, and one side of each fixed frame is rotatably mounted on the vehicle side frame.

[0012] The mounting adjustment mechanism is used to mount other functional mechanisms and adjust the height of other functional mechanisms.

[0013] Optionally, the mounting adjustment mechanism includes a linear telescopic module, a first bracket, a second bracket, a first mounting arm, a second mounting arm, a third mounting arm, a fourth mounting arm and a rectangular mounting frame, the first bracket and the second bracket are symmetrically arranged along the frame and fixedly connected by a support arm, the first ends of the first mounting arm and the second mounting arm are both hinged to the first bracket, the second ends of the first mounting arm and the second mounting arm are both hinged to the rectangular mounting frame, the first bracket, the first mounting arm, the second mounting arm and the rectangular mounting frame form a parallelogram structure, the first ends of the third mounting arm and the fourth mounting arm are both hinged to the second bracket, the second ends of the third mounting arm and the fourth mounting arm are both hinged to the rectangular mounting frame, and the second bracket, the third mounting frame, the fourth mounting frame and the rectangular mounting frame form a parallelogram structure;

[0014] One end of the linear telescopic module is hinged to the bottom of the frame, and the other end of the linear telescopic module is hinged to the rectangular mounting frame.

[0015] Optionally, the linear telescopic module includes an electric push rod, a hydraulic cylinder or a pneumatic cylinder.

[0016] Optionally, the lateral distance adjusting mechanism includes an electric push rod, a hydraulic cylinder or a pneumatic cylinder, and each set of the lateral distance adjusting mechanism fixed ends are fixedly connected to the vehicle frame, and each set of the lateral distance adjusting mechanism telescopic ends are fixedly connected to the vehicle side frame.

[0017] As described above, the linear power steering assembly and unmanned agricultural machinery operation platform of the utility model have at least the following beneficial effects:

[0018] The linear power mechanism is used to drive the motion mechanism to steer, so that the motion direction can be flexibly changed to adapt to the complex and changeable environment of hilly and mountainous areas, thereby solving the problem of limited steering angle, large turning range, and difficulty in flexible steering in a narrow space; the power module drives the rotation of the rotating shaft to drive the first bevel gear coaxially fixed at the bottom of the rotating shaft to rotate, the first bevel gear meshes with the second bevel gear for transmission, and the rotation of the second bevel gear drives the wheel to rotate, so that the power is distributed and transmitted smoothly, ensuring the stability and reliability of the wheel during the steering process;

[0019] Through four sets of linear power steering components that move independently, each linear power mechanism drives the motion mechanism to turn. With the cooperation of the four sets of linear power steering components, two-wheel steering, four-wheel steering, on-the-spot steering, etc. can be achieved according to the application environment, which can better adapt to the complex environment of hilly and mountainous areas, improve work efficiency, and reduce the occurrence of problems such as soil compaction and crop yield reduction caused by repeated rolling of the soil;

[0020] Through the mounting adjustment mechanism, different other functional mechanisms can be mounted, such as corn sowing devices, film covering devices, spraying devices, etc., so as to realize the functions of sowing, film covering, spraying, etc., and improve the practicality of the agricultural machinery operation platform. The rectangular mounting frame is moved upward or downward by telescoping the linear telescopic module. The parallelogram structure formed by the first bracket, the first mounting arm, the second mounting arm, the rectangular mounting frame and the second bracket, the third mounting frame, the fourth mounting frame, and the rectangular mounting frame ensures that the rectangular mounting frame always remains horizontal during the movement. Even under complex road conditions or working conditions, it can ensure the stability of other mounted functional mechanisms and reduce the risk of shaking and tilting. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The display is a schematic diagram of the internal structure of the utility model;

[0022] Figure 2 The display is a three-dimensional structural schematic diagram of the utility model.

[0023] Component number description

[0024] Linear power mechanism 1, motion mechanism 2, fixed frame 21, wheels 22, power module 23;

[0025] Vehicle frame 3, vehicle side frame 4, mounting adjustment mechanism 5, linear telescopic module 51, first bracket 52, second bracket 53, first mounting arm 54, second mounting arm 55, third mounting arm 56, fourth mounting arm 57, rectangular mounting frame 58, support arm 59. DETAILED DESCRIPTION

[0026] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0027] See also Figure 1 to Figure 2 . It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so they have no substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size, without affecting the effects and purposes that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the utility model. Changes or adjustments in their relative relationships should also be regarded as the scope of the implementation of the utility model without substantially changing the technical content.

[0028] The following embodiments are only for illustration purposes and can be combined with each other, and are not limited to the contents presented in the following single embodiments.

[0029] In this embodiment, please refer to Figure 1 to Figure 2 The utility model provides a linear power steering assembly, comprising:

[0030] A linear power mechanism 1 and a motion mechanism 2, wherein the linear power mechanism 1 drives the motion mechanism 2 to turn; the motion mechanism 2 comprises a fixed frame 21 hinged to the telescopic end of the linear power mechanism 1, a rotating shaft vertically and rotatably mounted in the fixed frame 21, a first bevel gear coaxially fixedly matched at the bottom of the rotating shaft, a second bevel gear meshing and transmitting with the first bevel gear, a wheel 22 coaxially rotating with the second bevel gear, and a power module 23 driving the rotating shaft to rotate. By driving the motion mechanism 2 to turn through the linear power mechanism 1, the direction of movement can be flexibly changed to adapt to the complex and changeable environment of hilly and mountainous areas, thereby solving the problem of limited steering angle, large turning range, and difficulty in flexible steering in a narrow space; the power module 23 drives the rotating shaft to rotate, driving the first bevel gear coaxially fixedly matched at the bottom of the rotating shaft to rotate, the first bevel gear meshes and transmits with the second bevel gear, and the second bevel gear rotates to drive the wheel 22 to rotate, so that the power is distributed and transmitted smoothly, ensuring the stability and reliability of the wheel 22 during the steering process.

[0031] In this embodiment, please refer to Figure 1 The linear power mechanism 1 includes an electric push rod, a hydraulic cylinder or a pneumatic cylinder.

[0032] In this embodiment, please refer to Figure 1 , the power module 23 includes an electric motor or an internal combustion engine.

[0033] In this embodiment, please refer to Figure 1 The power module 23 includes a motor, and the motor is wirelessly controlled. The control signal is sent to the motor by using the wireless communication module to control the motor operation, making the motor control more flexible and convenient.

[0034] In this embodiment, please refer to Figure 1 and Figure 2 , an unmanned agricultural machinery operation platform, comprising the linear power steering assembly described in any of the above embodiments;

[0035] It also includes a vehicle frame 3, vehicle side frames 4 located on the left and right sides of the vehicle frame 3 and slidingly matched with the vehicle frame 3, a mounting adjustment mechanism 5 arranged at the bottom of the vehicle frame 3, and four groups of lateral distance adjustment mechanisms arranged around the vehicle frame 3 to extend and retract the vehicle side frames 4 on the left and right sides to both sides. The vehicle frame 3 is provided with an unmanned driving operating system, which can realize automatic operation without continuous manual control, thereby saving manpower and time, allowing work to be carried out more efficiently, and can also realize point-to-point automatic navigation. The point-to-point automatic navigation function can ensure that the work platform travels according to the preset precise path, reduce the error caused by human operation, and improve In order to ensure the accuracy and consistency of the operation, the linear power steering assembly has four groups, and the linear power steering assembly is arranged on the front and rear sides of the vehicle side frame 4. The fixed end of each linear power mechanism 1 is hinged to the vehicle side frame 4, and one side of each fixed frame 21 is rotatably installed on the vehicle side frame 4; the mounting adjustment mechanism 5 is used to mount other functional mechanisms and adjust the height of other functional mechanisms. The mounting adjustment mechanism 5 can mount different other functional mechanisms, such as: corn sowing device, film covering device, spraying device, etc., so as to realize the functions of sowing, film covering, spraying, etc., and improve the practicality of the agricultural machinery operation platform.

[0036] Through four sets of linear power steering components moving independently, each linear power mechanism 1 drives the motion mechanism 2 to steer. With the cooperation of the four sets of linear power steering components, two-wheel steering, four-wheel steering, on-the-spot steering, etc. can be realized according to the application environment. It can better adapt to the complex environment of hilly and mountainous areas, improve work efficiency, and reduce the occurrence of problems such as soil compaction and crop yield reduction due to repeated rolling of the soil.

[0037] In this embodiment, please refer to Figure 1 and Figure 2The mounting adjustment mechanism 5 includes a linear telescopic module 51, a first bracket 52, a second bracket 53, a first mounting arm 54, a second mounting arm 55, a third mounting arm 56, a fourth mounting arm 57 and a rectangular mounting frame 58. The first bracket 52 and the second bracket 53 are symmetrically arranged along the frame 3 and are fixedly connected by a support arm 59. The first ends of the first mounting arm 54 and the second mounting arm 55 are both hinged to the first bracket 52, and the second ends of the first mounting arm 54 and the second mounting arm 55 are both hinged to the rectangular mounting frame 58. The first bracket 52, the second bracket 53, the third bracket 56, the fourth mounting arm 57 and the rectangular mounting frame 58 are both hinged to the first bracket 52. The first mounting arm 54, the second mounting arm 55 and the rectangular mounting frame 58 form a parallelogram structure, the first ends of the third mounting arm 56 and the fourth mounting arm 57 are hinged to the second bracket 53, the second ends of the third mounting arm 56 and the fourth mounting arm 57 are hinged to the rectangular mounting frame 58, the second bracket 53, the third mounting frame, the fourth mounting frame and the rectangular mounting frame 58 form a parallelogram structure; one end of the linear telescopic module 51 is hinged to the bottom of the frame 3, and the other end of the linear telescopic module 51 is hinged to the rectangular mounting frame 58.

[0038] The rectangular mounting frame 58 is moved upward or downward by telescoping the linear telescopic module 51. The parallelogram structure formed by the first bracket 52, the first mounting arm 54, the second mounting arm 55, the rectangular mounting frame 58 and the second bracket 53, the third mounting frame, the fourth mounting frame and the rectangular mounting frame 58 ensures that the rectangular mounting frame 58 always remains in a horizontal state during the movement. Even under complex road conditions or working conditions, the stability of other functional mechanisms mounted can be ensured to reduce the risk of shaking and tilting.

[0039] In this embodiment, please refer to Figure 2 The linear telescopic module 51 includes an electric push rod, a hydraulic cylinder or a pneumatic cylinder.

[0040] In this embodiment, the lateral distance adjustment mechanism includes an electric push rod, a hydraulic cylinder or a pneumatic cylinder, and each set of the lateral distance adjustment mechanism fixed end is fixedly connected to the vehicle frame 3, and each set of the lateral distance adjustment mechanism telescopic end is fixedly connected to the vehicle side frame 4. The four sets of lateral distance adjustment mechanisms work independently, so that the vehicle side frames 4 on the left and right sides can adjust the left and right distances, thereby realizing that the working platform is more adaptable to various complex hilly and mountainous environments.

[0041] Working principle: When the agricultural machinery operating platform is working, mounting various other functional mechanisms on the rectangular mounting frame 58 can improve the practicality of the agricultural machinery operating platform. The rectangular mounting frame 58 can be moved upward or downward by telescoping the linear telescopic module 51. The parallelogram structure formed by the first bracket 52, the first mounting arm 54, the second mounting arm 55, the rectangular mounting frame 58 and the second bracket 53, the third mounting frame, the fourth mounting frame and the rectangular mounting frame 58 ensures that the rectangular mounting frame 58 always remains in a horizontal state during the movement, and even under complex road conditions or working conditions, it can ensure the stability of other mounted functional mechanisms and reduce the risk of shaking and tilting. The unmanned operating system can realize automated operation without continuous manual control, thus saving manpower and time, enabling work to be carried out more efficiently, and realizing point-to-point automatic navigation. The point-to-point automatic navigation function can ensure that the work platform travels along the preset precise path, reducing errors caused by human operation, and improving the accuracy and consistency of operations. Through four sets of linear power steering components, each linear power mechanism 1 drives the motion mechanism 2 to turn. With the cooperation of the four sets of linear power steering components, two-wheel steering, four-wheel steering, in-situ steering, etc. can be realized according to the application environment, which can better adapt to the complex environment of hilly and mountainous areas, improve work efficiency, and reduce the compaction of soil and the reduction of crop yields due to repeated rolling of soil.

[0042] In summary, the utility model drives the motion mechanism 2 to turn by the linear power mechanism 1, and can flexibly change the direction of movement and adapt to the complex and changeable environment of hilly and mountainous areas, thereby solving the problems of limited steering angle, large turning range, and difficulty in flexible steering in a narrow space; the power module 23 drives the rotation of the rotating shaft to drive the first bevel gear coaxially fixed at the bottom end of the rotating shaft to rotate, the first bevel gear meshes with the second bevel gear for transmission, and the rotation of the second bevel gear drives the wheel 22 to rotate, so that the power is distributed and transmitted smoothly, ensuring the stability and reliability of the wheel 22 during the steering process; through four sets of linear The linear power steering components move independently, and each linear power mechanism 1 drives the motion mechanism 2 to steer. With the cooperation of the four groups of linear power steering components, two-wheel steering, four-wheel steering, on-the-spot steering, etc. can be realized according to the application environment, which can better adapt to the complex environment of hilly and mountainous areas, improve work efficiency, and reduce the occurrence of problems such as soil compaction and crop yield reduction caused by repeated rolling of the soil; different other functional mechanisms can be mounted through the mounting adjustment mechanism 5, such as: corn sowing device, film covering device, spraying device, etc., so as to realize the functions of sowing, film covering, spraying, etc., and improve the practicality of the agricultural machinery operation platform. The rectangular mounting frame 58 is moved upward or downward by telescoping the linear telescopic module 51, and the parallelogram structure formed by the first bracket 52, the first mounting arm 54, the second mounting arm 55, the rectangular mounting frame 58, the second bracket 53, the third mounting frame, the fourth mounting frame, and the rectangular mounting frame 58 ensures that the rectangular mounting frame 58 always maintains a horizontal state during the movement, and even under complex road conditions or working conditions, it can ensure that other functional mechanisms mounted are stable and reduce the risk of shaking and tilting. Therefore, the utility model effectively overcomes various shortcomings in the prior art and has a high industrial utilization value.

[0043] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A linear power steering assembly, characterized in that: include: A linear power mechanism and a motion mechanism, wherein the linear power mechanism drives the motion mechanism to turn; the motion mechanism includes a fixed frame hinged to the telescopic end of the linear power mechanism, a rotating shaft vertically and rotatably installed in the fixed frame, a first bevel gear coaxially fixedly fitted at the bottom end of the rotating shaft, a second bevel gear meshing with the first bevel gear, a wheel coaxially rotating with the second bevel gear, and a power module driving the rotating shaft to rotate.

2. The linear power steering assembly according to claim 1, characterized in that: The linear power mechanism includes an electric push rod, a hydraulic cylinder or a pneumatic cylinder.

3. The linear power steering assembly according to claim 1, characterized in that: The power module includes an electric motor or an internal combustion engine.

4. The linear power steering assembly according to claim 1, characterized in that: The power module includes a motor, and the motor is controlled wirelessly.

5. An unmanned agricultural machinery operation platform, characterized in that: A linear power steering assembly comprising any one of claims 1 to 4; It also includes a frame, vehicle side frames located on the left and right sides of the frame and slidingly matched with the frame, a mounting adjustment mechanism arranged at the bottom of the frame, and four groups of lateral distance adjustment mechanisms arranged around the frame to extend and retract the vehicle side frames on the left and right sides to both sides. The linear power steering assembly has four groups, and the linear power steering assembly is arranged on the front and rear sides of the vehicle side frame. Each fixed end of the linear power mechanism is hinged to the vehicle side frame, and one side of each fixed frame is rotatably mounted on the vehicle side frame; the mounting adjustment mechanism is used to mount the functional mechanism and adjust the height of the functional mechanism.

6. The unmanned agricultural machinery operation platform according to claim 5, characterized in that: The mounting adjustment mechanism comprises a linear telescopic module, a first bracket, a second bracket, a first mounting arm, a second mounting arm, a third mounting arm, a fourth mounting arm and a rectangular mounting frame, the first bracket and the second bracket are symmetrically arranged along the frame and fixedly connected by a support arm, the first ends of the first mounting arm and the second mounting arm are both hinged to the first bracket, the second ends of the first mounting arm and the second mounting arm are both hinged to the rectangular mounting frame, the first bracket, the first mounting arm, the second mounting arm and the rectangular mounting frame form a parallelogram structure, the first ends of the third mounting arm and the fourth mounting arm are both hinged to the second bracket, the second ends of the third mounting arm and the fourth mounting arm are both hinged to the rectangular mounting frame, and the second bracket, the third mounting arm, the fourth mounting arm and the rectangular mounting frame form a parallelogram structure; One end of the linear telescopic module is hinged to the bottom of the frame, and the other end of the linear telescopic module is hinged to the rectangular mounting frame.

7. The unmanned agricultural machinery operation platform according to claim 6, characterized in that: The linear telescopic module includes an electric push rod, a hydraulic cylinder or a pneumatic cylinder.

8. The unmanned agricultural machinery operation platform according to claim 5, characterized in that: The lateral distance adjusting mechanism comprises an electric push rod, a hydraulic cylinder or a pneumatic cylinder. The fixed end of each group of the lateral distance adjusting mechanism is fixedly connected to the vehicle frame, and the telescopic end of each group of the lateral distance adjusting mechanism is fixedly connected to the vehicle side frame.

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