Seeding device and driving chassis of intelligent seeding trolley

Abstract

A seeding device and driving chassis of an intelligent seeding trolley comprises a trolley body, a front soil loosening module, a seeding device, an irrigation and fertilization module, a tail end soil covering module and a locomotive driving module, the seeding device comprises a hole digging mechanism and a seeding mechanism, and the seeding mechanism comprises a seeding disc, a seeding disc motor and a seeding pipeline. The seeding disc motor is arranged at the bottom of the seeding disc; the seeding pipelines are distributed at the bottom of the seeding disc; the hole digging mechanism comprises an infrared range finder, a drill bit motor and a slider-crank mechanism; the locomotive driving module comprises a system control unit, an energy unit and a movable chassis, and the movable chassis adopts a composite track design. Due to the design of a slider-crank mechanism of the hole digging mechanism, the energy loss in the hole digging process is reduced, hole digging and seeding work of a plurality of pits and a plurality of seeds is realized, and the seeding efficiency is improved; by adopting the movable chassis with the combined type crawler belt design, the intelligent seeding trolley climbs over obstacles, and seeding work on a terraced field is achieved.

Description

Technical Field

[0001] The present invention specifically relates to a sowing device and a driving chassis of an intelligent sowing vehicle. Background Art

[0002] The application team has provided a technical solution for an intelligent seeding trolley in a Chinese patent document with the patent name of "Intelligent Seeding Trolley" and the patent number of 202410427431X. By setting a front loosening module, a sowing module, an irrigation and fertilization module, a rear covering module and a locomotive drive module, the full automation of loosening, sowing, irrigation, fertilization and covering can be achieved, and the characteristics of full automation and intelligent control can be realized; and the occupation area is small, and the energy consumption is replaced by electricity and solar energy, which greatly reduces the emission of pollutants and excessive waste of resources. However, the technical solution still has the following problems:

[0003] 1. Currently, large-scale agricultural seeding machines are the main type on the market, and small-scale seeding machines are relatively rare. In China, there are about 2 billion acres of cultivated land, of which terraced fields account for more than 1 / 4. Large-scale seeding machines currently on the market cannot be used on terraced fields, and cannot climb over obstacles when there are obstacles.

[0004] 2. The structural design of the sowing module in the above technical solution is relatively simple. The drill motor moves the drill head up and down to rotate and drill holes. A large amount of energy is lost during the drilling process. The up and down movement of the drill head is not flexible and fast enough, and only a few seeds can be sown each time, resulting in low sowing efficiency.

[0005] This application is a technical upgrade based on the original patent (the patent name is an intelligent seeding cart, and the patent number is 202410427431X). Summary of the invention

[0006] In view of the above, the present invention provides a sowing device and a driving chassis of an intelligent sowing vehicle to solve the problems raised in the above background technology.

[0007] A technical solution provided according to the present invention is: a sowing device and a driving chassis of an intelligent sowing trolley, including a vehicle body, a front loosening module, a sowing device, an irrigation and fertilization module, a rear end covering module and a locomotive driving module, characterized in that: the sowing device includes a digging mechanism and a sowing mechanism, the sowing mechanism is arranged in a spatial position in the middle of the vehicle body in the front-back direction, and the digging mechanism is distributed on both sides of the sowing mechanism for rotating holes and precise sowing; the sowing mechanism includes a sowing disc with seeds, a sowing disc motor, and multiple sowing pipes, the sowing disc is arranged in the middle of the vehicle body in the front-back direction, a sieve hole for screening high-quality seeds is arranged inside the sowing disc, and the sowing disc motor is arranged in the The bottom of the sowing disc, a plurality of sowing pipes are distributed and arranged at the bottom of the sowing disc, and the inlet of the sowing pipe is connected to the sieve hole, and the outlet of the sowing pipe is arranged toward the digging mechanism on both sides, and the sowing disc motor drives the sowing disc to rotate to screen high-quality seeds, and the seeds fall into the pits dug by the digging mechanism through the sowing pipe; the digging mechanism includes an infrared rangefinder for measuring the sowing spacing, a plurality of drill motors, and a plurality of crank slider mechanisms, and the plurality of crank slider mechanisms are distributed and arranged on the vehicle body on both sides of the sowing disc, and the drill motors are respectively connected to the corresponding side of the crank slider mechanism facing the ground, and when the plurality of crank slider mechanisms move, the circular motion of the drill motor is converted into the up and down movement of the drill. The horizontal movement of the drill bit makes the multiple drill bits move downward to perform rotary drilling in multiple places. After completion, the drill bit stops rotating and automatically lifts up. The infrared rangefinder is arranged on the drill bit motor. When in use, the intelligent seeding trolley is first driven to the predetermined location by the infrared rangefinder. The circular motion of the drill bit motor is converted into the horizontal motion of the drill bit moving up and down through the crank slider mechanism design of the hole digging mechanism, thereby reducing the energy loss in the hole digging process. At the same time, the seeding disc motor is replaced to rotate and screen the seeds downward, so that the high-quality seeds fall into the seeding pipe through the sieve holes, and then fall into the dug holes. A plurality of seeding pipes are installed at the bottom of the seeding disc of the seeding mechanism. The plurality of seeding pipes are centered on the bottom of the seeding disc. The center of the locomotive extends to four sides, and the outlet of the sowing pipe is arranged toward the drill hole of the drill motor, so as to realize the digging and sowing of multiple holes and multiple seeds; the locomotive drive module includes a system control unit, an energy unit and a mobile chassis, and the mobile chassis adopts a composite track design, and a main track and two auxiliary tracks are respectively arranged on both sides of the mobile chassis, and the two auxiliary tracks include a first auxiliary track and a second auxiliary track. On the horizontal ground, the main track is the main power source. When climbing over an obstacle, the first auxiliary track in front and the second auxiliary track in the back play a role. The first auxiliary track in front serves as a contact obstacle, and the second auxiliary track in the back serves as a support to lift the vehicle body onto the obstacle together, thereby completing the climbing over the obstacle.

[0008] Preferably, the front loosening module includes a rotary tillage tool composed of a combination of rotary tillage blades and a swinging slider mechanism, and the rotary tillage tool is connected to the swinging slider mechanism so that the horizontal movement of the swinging slider mechanism is converted into the up and down movement of the rotary tillage tool.

[0009] Preferably, the system control unit includes a PLC controller and a touch screen, and the PLC controller and the touch screen are both arranged on the vehicle body. The PLC controller is respectively connected to the input / output ports of the front loosening module, the sowing module, the irrigation and fertilization module, and the rear covering module to realize program control of the sowing trolley.

[0010] Preferably, it also includes a wireless connection component, which includes a Bluetooth module and an external mobile terminal that can be wirelessly connected. The Bluetooth module is installed on the vehicle body, and the external mobile terminal is wirelessly connected to the system control unit through the Bluetooth module, so that the intelligent seeding vehicle can be precisely controlled through the PLC controller, and multiple operations such as rotary tillage, precise seeding, irrigation and fertilization, and covering can be completed at one time.

[0011] Preferably, the external mobile terminal includes a smart 5G mobile phone or a computer tablet.

[0012] Preferably, the drill bit of the drill motor moves downward to rotate and dig a pit, and the depth of the pit is 10-15 cm.

[0013] Preferably, there are no less than two groups of sowing mechanisms, each group of sowing mechanisms includes a sowing disc, a sowing disc motor and four sowing pipes, the four sowing pipes extend to four sides with the bottom of the sowing disc as the center, and the outlet of the sowing pipe is arranged toward the drill hole of the drill motor.

[0014] Preferably, there are no less than two groups of digging mechanisms, each group of digging mechanisms includes four matching drill motors and crank slider mechanisms, and the digging mechanisms dig no less than four holes each time, corresponding to the outlets of the four sowing pipes.

[0015] Preferably, each group of sowing mechanisms and each group of digging mechanisms are linked to each other to achieve digging and sowing work in multiple holes.

[0016] Preferably, the PLC controller is connected to the input ends of each group of sowing mechanisms and each group of digging mechanisms respectively, so as to realize the individual control or linkage control of each group of sowing mechanisms and each group of digging mechanisms.

[0017] The intelligent seeding trolley of the present invention, through the hole digging mechanism and the seeding mechanism, the crank slider mechanism design of the hole digging mechanism, converts the circular motion of the drill motor into the horizontal motion of the drill moving up and down, reduces the energy loss in the hole digging process, makes the up and down motion of the drill more flexible and fast, and is designed with multiple sets of seeding mechanisms and hole digging mechanisms for matching use, realizes the multi-hole digging work of multiple drill motors and crank slider mechanisms, and at the same time, multiple seeding pipes are installed at the bottom of the seeding disc of the seeding mechanism, and the multiple seeding pipes extend to four sides with the bottom of the seeding disc as the center, and the outlets of the seeding pipes are arranged toward the drill pits of the drill motor, and cooperate with the work of the drill motor and the crank slider mechanism to realize the digging and seeding of multiple pits and multiple seeds, thereby improving the seeding efficiency;

[0018] By adopting a mobile chassis with a composite track design, the intelligent seeding vehicle can cross the fields without any obstacles. On level ground, the main track is the main power source. When crossing obstacles, the first auxiliary track in front and the second auxiliary track in the back play a role. The first auxiliary track in front acts as a contact obstacle, and the second auxiliary track in the back acts as a support, lifting the vehicle body over the obstacle together, thereby completing the crossing of the obstacle and realizing seeding work on the terraced fields. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the present invention.

[0020] Figure 2 It is a top view of the present invention.

[0021] Figure 3 It is a front view of the present invention.

[0022] Figure 4 It is a structural diagram of the seeding mechanism.

[0023] Figure 5 It is a three-dimensional structural schematic diagram of the mobile chassis.

[0024] Figure 6 is a side view of the mobile chassis.

[0025] Figure 7 It is a structural diagram of the vehicle body frame.

[0026] Figure 8 It is a front view of the digging mechanism.

[0027] Fig. 9 It is a three-dimensional structural diagram of the digging mechanism.

[0028] Fig.10 It is a flow chart of the working process of the intelligent seeding vehicle.

[0029] Fig.11It is the PLC wiring diagram of the system control unit.

[0030] Fig.12 It is the circuit schematic diagram of the energy unit.

[0031] In the figure, 1. main crawler; 101. front loosening module; 102. sowing device; 2. first auxiliary crawler; 3. second auxiliary crawler; 4. vehicle body; 401. PLC controller; 402. Bluetooth module; 5. rotary tillage tool; 6. swing slider mechanism; 7. drill bit; 701. infrared rangefinder; 8. drill bit motor; 9. crank slider mechanism; 10. digging mechanism; 11. sowing disc; 12. sowing disc motor; 13. sowing pipe; 14. sieve hole; 15. irrigation and fertilization module; 16. tail end covering module; 17. touch screen. DETAILED DESCRIPTION

[0032] The present invention is further described below in conjunction with the accompanying drawings and some implementation methods.

[0033] exist Figure 1-Figure 12 In the invention, a sowing device and a driving chassis of an intelligent sowing vehicle are provided, including a vehicle body 4, a front loosening module 101, a sowing device 102, an irrigation and fertilization module 15, a rear end covering module 16 and a locomotive driving module, wherein the sowing device 102 includes a digging mechanism 10 and a sowing mechanism, wherein the sowing mechanism is arranged in a spatial position in the middle of the vehicle body 4 in a front-to-back direction, and the digging mechanism 10 is distributed on both sides of the sowing mechanism for rotating holes and precise sowing; by arranging the front loosening module 101, the sowing device 102, the irrigation and fertilization module 15, the rear end covering module 16 and the locomotive driving module, a plurality of functions are added on the basis of the original sowing function, integrating loosening, sowing, irrigation, fertilization and covering into a full automation, and realizing the characteristics of full automation and intelligent control, which changes the previous disadvantages of farmers having to perform manual driving operations, working under the scorching sun, and consuming a lot of physical strength.

[0034] In this embodiment, the sowing mechanism includes a sowing disc 11 filled with seeds, a sowing disc motor 12, and a plurality of sowing pipes 13. The sowing disc 11 is arranged in the middle of the vehicle body 4 in the front-to-back direction. A sieve hole 14 for screening high-quality seeds is arranged inside the sowing disc 11. The sowing disc motor 12 is arranged at the bottom of the sowing disc 11. A plurality of sowing pipes 13 are distributed at the bottom of the sowing disc 11, and the inlet of the sowing pipe 13 is connected to the sieve hole 14. The outlet of the sowing pipe 13 is arranged toward the digging mechanism 10 on both sides. The sowing disc motor 12 drives the sowing disc 11 to rotate to screen high-quality seeds, and the seeds fall into the pit dug by the digging mechanism 10 through the sowing pipe 13. The digging mechanism 10 includes an infrared rangefinder 701 for measuring the sowing spacing, a plurality of drill motors 8, and a plurality of crank slider mechanisms 9. The plurality of crank slider mechanisms 9 are distributed on the vehicle body 4 on both sides of the sowing disc 11. The drill motors 8 are respectively connected to the corresponding side of the crank slider mechanism 9 facing the ground. When the plurality of crank slider mechanisms 9 move, the circular motion of the drill motor 8 is converted into the horizontal motion of the drill 7 moving up and down, so that the plurality of drills 7 move downward to perform rotary drilling in multiple places. After completion, the drill 7 stops rotating and automatically lifts up. The infrared rangefinder 701 is arranged on the drill motor 8. When in use, the infrared rangefinder 701 is first used to measure the distance between the sowing discs 11 and the sowing discs 11. After finding a suitable point, the intelligent seeding trolley drives to the predetermined location, the mobile chassis stops rotating, and the PLC controller controls the rotation of the drill motor 8 and the seeding disc motor 12, and sets a fixed drilling time through the PLC controller. The PLC controller starts timing, and the mobile chassis moves again after 15 seconds. At this time, the drill motor 8 coil is powered on, and the drill motor 8 works. Through the design of the crank slider mechanism 9 of the hole digging mechanism 10, the drill 7 moves downward to start drilling. After the drilling is completed, the drill 7 stops rotating, and the crank slider mechanism 9 makes the drill motor 8 move upward, converting the circular motion of the drill motor 8 into the horizontal motion of the drill 7 moving up and down, reducing the energy loss in the process of drilling holes, making the drill 7 is more flexible and quick in up and down movement, and is designed with multiple drill motors 8 and multiple crank slider mechanisms 9. At the same time, the seeding disc motor 12 is replaced to rotate and screen the seeds downward, and the qualified seeds fall into the seeding pipe 13 through the set sieve holes 14, and the seeds will fall evenly into the dug holes. After one rotation, the coil of the seeding disc motor 12 is powered off, and the sowing action is completed. Multiple sowing pipes 13 are installed at the bottom of the sowing disc 11 of the sowing mechanism. The multiple sowing pipes 13 extend to four sides with the bottom of the sowing disc 11 as the center, and the outlet of the sowing pipe 13 is set toward the drill bit 7 of the drill motor 8, so as to realize the digging and sowing of multiple holes and multiple seeds and improve the sowing efficiency.

[0035] In this embodiment, the locomotive drive module includes a system control unit, an energy unit and a mobile chassis. The mobile chassis adopts a composite crawler design. A main crawler 1 and two auxiliary crawlers are respectively arranged on both sides of the mobile chassis. The two auxiliary crawlers include a first auxiliary crawler 2 and a second auxiliary crawler 3. On the horizontal ground, the main crawler 1 is the main power source. When climbing over an obstacle, the front first auxiliary crawler 2 and the rear second auxiliary crawler 3 play a role. The front first auxiliary crawler 2 serves as a contact obstacle, and the rear second auxiliary crawler 3 serves as a support to lift the vehicle body 4 onto the obstacle together, thereby completing the climbing over the obstacle and realizing the sowing work on the terrace.

[0036] In this embodiment, the front loosening module 101 includes a rotary tillage tool 5 composed of a combination of rotary tillage blades and a swinging slider mechanism 6. The rotary tillage tool 5 is connected to the swinging slider mechanism 6, so that the horizontal movement of the swinging slider mechanism 6 is converted into the up and down movement of the rotary tillage tool 5; after the power is turned on, the staff operates the trolley to the designated working area, sets the sowing parameters on the touch screen 17, and starts sowing. After the PLC controller receives the signal on the touch screen 17, it starts to send a series of feedback signals. After the PLC controller starts timing for 3 seconds, the first reaction is that the rotary tillage motor is powered on, and then the swinging slider mechanism 6 starts to move, lowering the rotary tillage tool 5 to carry out the loosening process.

[0037] In this embodiment, the system control unit includes a PLC controller 401 and a touch screen 17, both of which are arranged on the vehicle body 4, and the PLC controller 401 is respectively connected to the input / output ports of the front loosening module 101, the sowing module, the irrigation and fertilization module 15 and the rear covering module 16 to realize program control of the sowing vehicle; the PLC controller of our smart vehicle adopts the Siemens S7-1200 series logic controller (PLC), and the Siemens PLCS7-1200 is widely used in small and medium-sized automation control systems. The S7-1200 adopts a compact design and has complete input / output ports. and front panel display, the controller also has programmable analog input and output functions, and can independently control variables such as flow, temperature and pressure. In addition, S7-1200 also provides advanced functional modules such as safety mechanism, fault diagnosis and remote service to ensure the reliability and stability of the system, so that the smart car can complete multiple operations such as rotary tillage, precise sowing, irrigation and fertilization, and covering at one time, and realize the driving operation of the car body 4 through the locomotive drive module; the touch screen 17 adopts the Siemens 200SMART series touch screen 17, and the function of the touch screen 17 is to display the current working status of the smart car as "normal operation" or "fault occurs and needs timely repair", so as to facilitate the staff to operate or repair.

[0038] In this embodiment, a wireless connection component is also included, and the wireless connection component includes a Bluetooth module 402 and an external mobile terminal that can be wirelessly connected. The Bluetooth module 402 is installed on the vehicle body 4, and the external mobile terminal is wirelessly connected to the system control unit through the Bluetooth module 402, so that the intelligent seeding trolley can be accurately controlled through the PLC controller, and multiple operations such as rotary tillage, precise seeding, irrigation and fertilization, and covering can be completed at one time; the external mobile terminal includes a smart 5G mobile phone or a computer tablet; the Bluetooth module 402 of our smart car adopts the HC05 model Bluetooth, or the ESP8266 model WiFi module, and uses a smart 5G mobile phone to connect to multiple single-chip microcomputers of the smart car through the Bluetooth module 402, so as to control the PLC controller 401 of the smart car and realize remote precise control.

[0039] In this embodiment, the drill bit 7 of the drill motor 8 moves downward to rotate and dig a hole, and the depth of the hole is 10-15 cm, thereby ensuring the growth and yield of radish.

[0040] In this embodiment, there are no less than two groups of sowing mechanisms, each group of sowing mechanisms includes a sowing disc 11, a sowing disc motor 12 and four sowing pipes 13, the four sowing pipes 13 extend to four sides with the bottom of the sowing disc 11 as the center, and the outlets of the sowing pipes 13 are arranged toward the drill holes of the drill motor 8; there are no less than two groups of digging mechanisms, each group of digging mechanisms includes four matching drill motors 8 and crank slider mechanisms 9, and the digging mechanisms dig no less than four holes each time, which correspond to the outlets of the four sowing pipes 13; the PLC controller 401 is respectively connected to the input end of each group of sowing mechanisms and each group of digging mechanisms, so as to realize the separate control or linkage control of each group of sowing mechanisms and each group of digging mechanisms; when in use, the PLC controller regulates the rotation of the drill motor 8 and the sowing disc motor 12, and sets a fixed drilling time through the PLC controller, the PLC controller starts timing, and moves the chassis after 15 seconds Then the drill motor 8 coil is powered on, the drill motor 8 works, and the crank slider mechanism 9 of the digging mechanism 10 is designed to make the drill 7 move downward to start digging holes. In the actual design, the number of sowing pipes 13 and drill motors 8 used in conjunction with each group of sowing mechanisms and each group of digging mechanisms is preferably four. Four sowing pipes 13 are installed at the bottom of the sowing disc 11 of the sowing mechanism. The four sowing pipes 13 extend to four sides with the bottom of the sowing disc 11 as the center, and the outlets of the sowing pipes 13 are arranged toward the holes of the drill 7 of the drill motor 8, so as to realize the digging and sowing of four holes and four seeds, and improve the sowing efficiency. In this embodiment, the number of groups used in conjunction with the sowing mechanism and the digging mechanism can be four, six or eight groups, etc., which can be designed according to actual production conditions. Each group of sowing mechanisms and each group of digging mechanisms can be controlled separately or in linkage to realize the digging and sowing of multiple holes. The technical solution does not impose any restrictions on this.

[0041] In this embodiment, the energy unit includes a battery and an automatic tracking solar panel. The battery and the automatic tracking solar panel are both arranged on the vehicle body 4 to provide endurance for the intelligent seeding vehicle. In terms of the energy power of the intelligent vehicle, more energy-saving and environmentally friendly electricity is used to provide a power source for the intelligent vehicle. In addition to being powered by batteries, automatic tracking solar panels can also be installed for the intelligent vehicle to track the trajectory of the sun at all times, so that the intelligent vehicle can be more efficient and store solar energy continuously when working in outdoor farmland. When the battery power is insufficient to maintain the operation of the device, it will automatically switch to the solar panel power supply, so that the intelligent vehicle has extremely strong endurance and can save energy, achieving a low-carbon and environmentally friendly effect.

[0042] In this embodiment, the control circuit of the present invention is a common circuit in the circuit field, and can be implemented by those skilled in the art, so it will not be described in detail here.

[0043] In this embodiment, the infrared rangefinder 701 is a common infrared rangefinder 701 device, such as SW-T100 / T60 / T40 model, LDM-T100 model, etc.

[0044] In this embodiment, the seed disc motor 12 and the drill motor 8 are both common driving motor devices, such as GB / T4831-2016 model, Y160M-4 model rotating motor, etc.

[0045] The present invention is implemented in detail as follows: when in use, first find the appropriate point through the infrared rangefinder 701, the intelligent seeding trolley drives to the predetermined location, the mobile chassis stops rotating, the PLC controller regulates the rotation of the drill motor 8 and the seeding plate motor 12, and sets a fixed drilling time through the PLC controller, the PLC controller starts timing, and the mobile chassis moves again after 15 seconds. At this time, the drill motor 8 coil is powered on, the drill motor 8 works, and through the crank slider mechanism 9 of the hole digging mechanism 10, the drill 7 moves downward to start drilling holes. After the drilling is completed, the drill 7 stops rotating, and the crank slider mechanism 9 causes the drill motor 8 to move upward, converting the circular motion of the drill motor 8 into horizontal motion of the drill 7 moving up and down, reducing the energy loss in the drilling process, making the drill 7 more flexible and quick to move up and down, and is designed with four drill motors 8 and four crank slider mechanisms 9. At the same time, it is replaced by the seeding plate motor 12 to rotate and screen seeds downward, which meets the requirements. The seeds fall into the sowing pipe 13 through the set sieve holes 14, and the seeds will fall evenly into the dug holes. After one rotation, the coil of the sowing disc motor 12 is powered off, and the sowing action is completed. Four sowing pipes 13 are installed at the bottom of the sowing disc 11 of the sowing mechanism. The four sowing pipes 13 extend to four sides with the bottom of the sowing disc 11 as the center, and the outlets of the sowing pipes 13 are arranged toward the drill 7 pit of the drill motor 8, so as to realize the digging and sowing of four pits and four seeds, and improve the sowing efficiency; and a mobile chassis with a composite crawler design is adopted, so that the intelligent sowing trolley can cross the fields without any obstacles. On the horizontal ground, the main crawler 1 is the main power source. When crossing the obstacle, the first auxiliary crawler 2 in front and the second auxiliary crawler 3 in the back play a role. The first auxiliary crawler 2 in front serves as a contact obstacle, and the second auxiliary crawler 3 in the back serves as a support to lift the vehicle body 4 together to the obstacle, thereby completing the crossing of the obstacle and realizing the sowing work on the terrace.

[0046] It is worth noting that: in the description of the present invention, the meaning of "multiple" is two or more than two, unless otherwise clearly and specifically defined. In the present invention, unless otherwise clearly specified and defined, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection. The circuits described in the present invention are all commonly used circuits in the art, and other related components are all existing commonly used components. For ordinary technicians in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0047] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and scope of the elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A sowing device and driving chassis of an intelligent sowing vehicle, comprising a vehicle body, a front loosening module, a sowing device, an irrigation and fertilization module, a rear covering module and a locomotive driving module, characterized in that: The sowing device comprises a digging mechanism and a sowing mechanism, wherein the sowing mechanism is arranged in a spatial position in the middle of the vehicle body in a front-to-back direction, and the digging mechanism is arranged on both sides of the sowing mechanism for rotating holes and precise sowing; The sowing mechanism comprises a sowing disc with seeds, a sowing disc motor, and a plurality of sowing pipes. The sowing disc is arranged in the middle of the vehicle body in a front-to-back direction. A sieve hole for screening high-quality seeds is arranged inside the sowing disc. The sowing disc motor is arranged at the bottom of the sowing disc. A plurality of sowing pipes are distributed at the bottom of the sowing disc, and the inlet of the sowing pipe is connected to the sieve hole. The outlet of the sowing pipe is arranged toward the digging mechanism on both sides. The sowing disc motor drives the sowing disc to rotate and screen high-quality seeds, which fall into the pit dug by the digging mechanism through the sowing pipe. The hole digging mechanism includes an infrared rangefinder for measuring the sowing spacing, a plurality of drill motors, and a plurality of crank slider mechanisms. The plurality of crank slider mechanisms are distributed on the vehicle body on both sides of the sowing disc, and the drill motors are respectively connected to the corresponding side of the crank slider mechanism facing the ground. When the plurality of crank slider mechanisms move, the circular motion of the drill motor is converted into the horizontal motion of the drill moving up and down, so that the plurality of drills move downward to perform rotary drilling of holes in multiple places. After completion, the drill stops rotating and automatically lifts up. The infrared rangefinder is arranged on the drill motor. When in use, the infrared rangefinder is first used to The intelligent seeding trolley drives to the predetermined location, and through the crank slider mechanism design of the hole digging mechanism, the circular motion of the drill motor is converted into the horizontal motion of the drill moving up and down, reducing the energy loss in the hole digging process. At the same time, the seeding disc motor is replaced to rotate and screen the seeds downward, so that high-quality seeds fall into the seeding pipe through the sieve holes, and then fall into the dug holes. A plurality of seeding pipes are installed at the bottom of the seeding disc of the seeding mechanism. The plurality of seeding pipes extend to four sides with the bottom of the seeding disc as the center. The outlet of the seeding pipe is set toward the drill hole of the drill motor, so as to realize the digging and seeding of multiple holes and multiple seeds. The locomotive drive module includes a system control unit, an energy unit and a mobile chassis. The mobile chassis adopts a composite track design. A main track and two auxiliary tracks are respectively arranged on both sides of the mobile chassis. The two auxiliary tracks include a first auxiliary track and a second auxiliary track. On the horizontal ground, the main track is the main power source. When climbing over an obstacle, the front first auxiliary track and the rear second auxiliary track play a role. The front first auxiliary track serves as a contact obstacle, and the rear second auxiliary track serves as a support to lift the vehicle body onto the obstacle together, thereby completing the climb over the obstacle.

2. The sowing device and driving chassis of the intelligent sowing vehicle according to claim 1, characterized in that: The front loosening module comprises a rotary tillage tool composed of a rotary tillage blade and a swinging slider mechanism. The rotary tillage tool is connected to the swinging slider mechanism so that the horizontal movement of the swinging slider mechanism is converted into the up and down movement of the rotary tillage tool.

3. The sowing device and driving chassis of the intelligent sowing vehicle according to claim 2 are characterized in that: The system control unit includes a PLC controller and a touch screen, both of which are arranged on the vehicle body. The PLC controller is respectively connected to the input / output ports of the front loosening module, the sowing module, the irrigation and fertilization module, and the rear covering module to realize program control of the sowing trolley.

4. The sowing device and driving chassis of the intelligent sowing vehicle according to claim 3, characterized in that: It also includes a wireless connection component, which includes a Bluetooth module and an external mobile terminal that can be wirelessly connected. The Bluetooth module is installed on the vehicle body. The external mobile terminal is wirelessly connected to the system control unit through the Bluetooth module, so that the intelligent seeding vehicle can be precisely controlled through the PLC controller, and multiple operations such as rotary tillage, precise seeding, irrigation and fertilization, and covering can be completed at one time.

5. The sowing device and driving chassis of the intelligent sowing vehicle according to claim 4, characterized in that: The external mobile terminal includes a smart 5G mobile phone or a computer tablet.

6. The sowing device and driving chassis of the intelligent sowing vehicle according to claim 5, characterized in that: The drill bit of the drill motor moves downward to rotate and dig a hole, and the depth of the hole is 10-15 cm.

7. The sowing device and driving chassis of the intelligent sowing vehicle according to claim 6, characterized in that: There are no less than two groups of sowing mechanisms, each group of sowing mechanisms includes a sowing disc, a sowing disc motor and four sowing pipes. The four sowing pipes extend to four sides with the bottom of the sowing disc as the center, and the outlets of the sowing pipes are arranged toward the drill hole of the drill motor.

8. The sowing device and driving chassis of the intelligent sowing vehicle according to claim 7, characterized in that: There are no less than two groups of digging mechanisms, each of which includes four matching drill motors and crank slider mechanisms. The digging mechanisms dig no less than four holes each time, which correspond to the outlets of the four sowing pipes.

9. The sowing device and driving chassis of the intelligent sowing vehicle according to claim 8, characterized in that: Each set of seeding mechanisms and each set of digging mechanisms are linked to each other to achieve the digging and seeding work of multiple holes.

10. The sowing device and driving chassis of the intelligent sowing vehicle according to claim 9, characterized in that: The PLC controller is respectively connected to the input ends of each group of sowing mechanisms and each group of digging mechanisms to achieve individual control or linkage control of each group of sowing mechanisms and each group of digging mechanisms.

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