A potato seeding device

Abstract

The present invention belongs to the field of potato on-demand sowing, and specifically discloses a potato on-demand sowing device, including an on-demand sowing vehicle, a pit digging mechanism, and a bud eye directional transmission on-demand sowing and watering device, wherein the pit digging mechanism is arranged on the on-demand sowing vehicle, and the bud eye directional transmission on-demand sowing and watering device is arranged on the on-demand sowing vehicle. According to the situation that the bud eyes have different directions during the existing potato on-demand sowing, resulting in a low germination rate, a method combining bud eye upward directional transmission on-demand sowing and disengagement reset inversion is adopted to achieve multiple technical effects of automatic watering of potatoes and bud eye upward on-demand sowing, and significantly enhance the germination rate of potato on-demand sowing.

Description

Technical Field

[0001] The invention belongs to the technical field of potato on-demand seeding, in particular to a potato on-demand seeding device. Background Art

[0002] Potato is an important food crop and one of the fourth largest food crops in the world. Potato is rich in carbohydrates, protein, vitamin C, vitamin B6, potassium and other nutrients, and has high nutritional value.

[0003] At present, due to the appreciation of agricultural products and potato crops, potato crops are planted on a large scale. However, most of the existing potato planting methods are mainly manual operations, which are not enough for large-scale potato planting. When planting potatoes, the potato seeds need to be cut into small pieces, each of which has at least one bud eye, and the bud eye is sown upward to make the potato grow vertically. However, the existing potato planting machine cannot ensure that the bud eye of the potato seed block is facing upward when sowing, resulting in a low subsequent potato emergence rate and affecting the potato yield. Summary of the invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a potato seeding device. According to the situation that the bud eyes are in different directions during the existing potato seeding, resulting in a low germination rate, the present invention adopts a method that combines the bud eye upward directional transmission seeding and the disengagement and reset inversion to achieve the multiple technical effects of automatic watering of potatoes and bud eye upward seeding, and significantly enhances the germination rate of potato seeding.

[0005] The technical solution adopted by the present invention is as follows: the present invention provides a potato on-demand device, including an on-demand vehicle, a pit digging mechanism and a bud eye directional transmission on-demand irrigation device, the pit digging mechanism is arranged on the on-demand vehicle, and the bud eye directional transmission on-demand irrigation device is arranged on the on-demand vehicle; the bud eye directional transmission on-demand irrigation device includes a fixed frame, a transmission device and a bud eye directional on-demand irrigation device, the fixed frame is arranged on the on-demand vehicle, the transmission device is arranged on the fixed frame, and the bud eye directional on-demand irrigation device is arranged on the transmission device.

[0006] Furthermore, the bud eye directional on-demand watering device includes a fixed plate, an automatic watering device and a bud eye directional fixing device, the fixed plate is arranged on the conveying device, the automatic watering device is arranged on the fixed plate, and the bud eye directional fixing device is rotatably arranged on the fixed plate; the bud eye directional fixing device includes a rotating plate, a supporting connecting column and a directional fixing release component, the rotating plate is symmetrically rotatably arranged on the fixed plate, the supporting connecting column is arranged between the rotating plates, and the directional fixing release component is arranged on the rotating plate.

[0007] Furthermore, the directional fixed release assembly includes a fixed rod and a telescopic limit device, a telescopic fixing hole is provided on the rotating plate, the fixed rod is snap-fitted and slidably arranged in the telescopic fixing hole, the telescopic limit device is arranged on the rotating plate, and the telescopic limit device is connected to the fixed rod; the fixed rod includes an upper fixed rod and a lower fixed rod, the upper fixed rod includes a trigger fixed rod and a pouring fixed rod, the trigger fixed rod is snap-fitted and slidably arranged in the telescopic fixing hole, the pouring fixed rod is snap-fitted and slidably arranged in the telescopic fixing hole, the trigger fixed rod and the pouring fixed rod are arranged relatively to each other, and the lower fixed rod is arranged below the upper fixed rod.

[0008] Furthermore, the trigger fixing rod includes a fixed barrel rod, an embedded trigger rod, a toggle rod and a positioning groove, the fixed barrel rod is slidably arranged in the telescopic fixing hole, the embedded trigger rod is telescopically arranged in the fixed barrel rod, the positioning groove is arranged on the fixed barrel rod, the toggle rod is arranged on the embedded trigger rod, the toggle rod is movably arranged in the positioning groove, and the cross-section of the positioning groove is arranged in a T shape.

[0009] As a further preferred embodiment of the present invention, the pouring fixing rod includes a pouring fixing tube rod, a sealing piece, a pouring port and a limit spring. The pouring fixing tube rod is snap-fitted and slidably arranged in the telescopic fixing hole. Limit grooves are arranged on the two opposite inner side walls of the pouring fixing tube rod. The limit spring is telescopically arranged in the limit groove. The sealing piece is snap-fitted and slidably arranged in the limit groove. The sealing piece is connected to the limit spring, and the pouring port is arranged on the bottom wall of the pouring fixing tube rod, and the pouring port is arranged below the sealing piece.

[0010] Furthermore, the telescopic limit device includes a limit fixing frame, a sliding clamping plate and a telescopic spring. The limit fixing frame is arranged on the rotating plate. The two opposite inner side walls of the limit fixing frame are provided with clamping grooves. The sliding clamping plate is clamped and slidably arranged in the clamping grooves. The telescopic spring is arranged between the sliding clamping plate and the limit fixing frame. The telescopic spring is hollow and has an electrorheological fluid arranged inside.

[0011] Among them, the automatic watering device includes a watering box, a watering hose, a water inlet and a water outlet. The watering box is arranged on a fixed plate, the water inlet is arranged on the upper wall of the watering box, the water outlet is arranged at the bottom end of the side wall of the watering box, one end of the watering hose is connected to the water outlet, and the other end of the watering hose is connected to the fixed tube rod for watering.

[0012] Furthermore, the conveying device includes a transmission gear, a transmission gear, a transmission chain and a transmission motor, the transmission gear is rotatably arranged on a fixed frame, the transmission gear is rotatably arranged on a fixed frame, the transmission chain is sleeved on the transmission gear and the transmission gear, the transmission motor is arranged on the fixed frame, and the output end of the transmission motor is connected to the transmission gear.

[0013] Furthermore, the digging mechanism includes a supporting and fixing plate, a fixing block, a driving rod, a connecting rod, a digging rod, a digging head and a digging motor, the supporting and fixing plate is arranged on the on-demand vehicle, the fixing block is arranged on the on-demand vehicle, one end of the driving rod is rotatably arranged on the supporting and fixing plate, one end of the digging rod is hinged to the other end of the driving rod, one end of the connecting rod is rotatably arranged on the fixing block, the other end of the connecting rod is hinged to the digging rod, the digging head is arranged at the other end of the digging rod, the digging motor is arranged on the supporting and fixing plate, and the output end of the digging motor is connected to the driving rod.

[0014] Furthermore, the on-demand vehicle includes a vehicle body, movable wheels and armrests, the movable wheels are rotatably arranged on the vehicle body, the armrests are arranged on the vehicle body, and a seed placement groove is arranged on the vehicle body.

[0015] The beneficial effects achieved by the present invention using the above structure are as follows: This scheme provides a potato seeding device. According to the situation that the buds have different directions during the existing potato seeding, resulting in a low germination rate, a method combining directional transmission of buds facing upward and disengagement and reset inversion is adopted to achieve multiple technical effects of automatic watering of potatoes and bud-eye-upward seeding, which significantly enhances the germination rate of potato seeding. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a potato seeding device proposed by the present invention;

[0017] Figure 2 This is a front view of a potato seeding device proposed by the present invention;

[0018] Figure 3 This is a schematic diagram of the structure of the bud eye directional spot watering device;

[0019] Figure 4 This is a left view of the bud eye directional spot watering device;

[0020] Figure 5 This is the front view of the bud eye directional spot watering device;

[0021] Figure 6 This is a top view of the bud eye directional spot watering device;

[0022] Figure 7 It is a cross-sectional view of the bud eye directional spot watering device;

[0023] Figure 8 for Figure 7 A partial enlarged view of part A;

[0024] Fig. 9 It is a structural diagram of the digging mechanism;

[0025] Fig.10 This is a schematic diagram of the structure of the on-demand vehicle.

[0026] Among them, 1. on-demand vehicle, 2. digging mechanism, 3. bud eye directional transmission on-demand irrigation device, 4. fixed frame, 5. transmission device, 6. bud eye directional on-demand irrigation device, 7. fixed plate, 8. automatic irrigation device, 9. bud eye directional fixing device, 10. rotating plate, 11. supporting connecting column, 12. directional fixed release component, 13. fixed rod, 14. telescopic limit device, 15. telescopic fixing hole, 16. upper fixed rod, 17. lower fixed rod, 18. trigger fixed rod, 19. irrigation occurrence fixed rod, 20. fixed barrel rod, 21. embedded trigger rod, 22. toggle rod, 23. positioning groove, 24. The irrigation occurs by fixing the cylinder rod, 25, the blocking part, 26, the irrigation port, 27, the limit spring, 28, the limit groove, 29, the limit fixing frame, 30, the sliding clamping plate, 31, the telescopic spring, 32, the clamping slide groove, 33, the irrigation box, 34, the irrigation hose, 35, the water inlet, 36, the water outlet, 37, the transmission gear, 38, the transmission gear, 39, the transmission chain, 40, the transmission motor, 41, the support fixing plate, 42, the fixed block, 43, the driving rod, 44, the connecting rod, 45, the digging rod, 46, the digging head, 47, the digging motor, 48, the vehicle body, 49, the moving wheel, 50, the handrail, 51, the seed dropping groove.

[0027] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0029] In the description of the present invention, it should be understood that terms such as “upper”, “lower”, “front”, “back”, “left”, “right”, “top”, “bottom”, “inside” and “outside” indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0030] like Figure 1 , Figure 2 , Fig.10As shown, the present invention provides a potato seeding device, including a seeding vehicle 1, a hole digging mechanism 2 and a bud eye directional transmission seeding and watering device 3, the hole digging mechanism 2 is arranged on the seeding vehicle 1, the bud eye directional transmission seeding and watering device 3 is arranged on the seeding vehicle 1, the seeding vehicle 1 includes a vehicle body 48, moving wheels 49 and handrails 50, the moving wheels 49 are rotatably arranged on the vehicle body 48, the handrails 50 are arranged on the vehicle body 48, and the vehicle body 48 is provided with a seed dropping groove 51.

[0031] like Figure 1 , Fig. 9 As shown, the digging mechanism 2 includes a supporting and fixing plate 41, a fixing block 42, a driving rod 43, a connecting rod 44, a digging rod 45, a digging head 46 and a digging motor 47. The supporting and fixing plate 41 is arranged on the on-demand vehicle 1, the fixing block 42 is arranged on the on-demand vehicle 1, one end of the driving rod 43 is rotatably arranged on the supporting and fixing plate 41, one end of the digging rod 45 is hinged to the other end of the driving rod 43, one end of the connecting rod 44 is rotatably arranged on the fixing block 42, the other end of the connecting rod 44 is hinged to the digging rod 45, the digging head 46 is arranged at the other end of the digging rod 45, the digging motor 47 is arranged on the supporting and fixing plate 41, and the output end of the digging motor 47 is connected to the driving rod 43.

[0032] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8As shown, the bud eye directional transmission on-demand irrigation device 3 includes a fixed frame 4, a conveying device 5 and a bud eye directional on-demand irrigation device 6, the fixed frame 4 is arranged on the on-demand vehicle 1, the conveying device 5 is arranged on the fixed frame 4, and the bud eye directional on-demand irrigation device 6 is arranged on the conveying device 5; the bud eye directional on-demand irrigation device 6 includes a fixed plate 7, an automatic irrigation device 8 and a bud eye directional fixing device 9, the fixed plate 7 is arranged on the conveying device 5, the automatic irrigation device 8 is arranged on the fixed plate 7, and the bud eye directional fixing device 9 is rotatably arranged on the fixed plate 7; the bud eye directional fixing device 9 includes a rotating plate 10, a supporting connecting column 11 and a directional fixing release component 12, the rotating plate 10 is symmetrically rotatably arranged on the fixed plate 7, and the supporting connecting column 11 is arranged on the rotating plate 1 0, a directional fixed release assembly 12 is arranged on the rotating plate 10; the directional fixed release assembly 12 includes a fixed rod 13 and a telescopic limit device 14, a telescopic fixed hole 15 is provided on the rotating plate 10, the fixed rod 13 is engaged and slidably arranged in the telescopic fixed hole 15, the telescopic limit device 14 is arranged on the rotating plate 10, and the telescopic limit device 14 is connected to the fixed rod 13; the fixed rod 13 includes an upper fixed rod 16 and a lower fixed rod 17, the upper fixed rod 16 includes a trigger fixed rod 18 and a pouring fixed rod 19, the trigger fixed rod 18 is engaged and slidably arranged in the telescopic fixed hole 15, the pouring fixed rod 19 is engaged and slidably arranged in the telescopic fixed hole 15, the trigger fixed rod 18 and the pouring fixed rod 19 are relatively arranged, and the lower fixed rod 17 is relatively arranged. The fixing rod 17 is arranged below the upper fixing rod 16; the trigger fixing rod 18 includes a fixing cylinder rod 20, an embedded trigger rod 21, a toggle rod 22 and a positioning groove 23, the fixing cylinder rod 20 is slidably arranged in the telescopic fixing hole 15, the embedded trigger rod 21 is telescopically arranged in the fixing cylinder rod 20, the positioning groove 23 is arranged on the fixing cylinder rod 20, the toggle rod 22 is arranged on the embedded trigger rod 21, and the toggle rod 22 is movably arranged in the positioning groove 23, and the cross section of the positioning groove 23 is T-shaped; the pouring occurrence fixing rod 19 includes a pouring occurrence fixing cylinder rod 24, a blocking member 25, a pouring port 26 and a limit spring 27, the pouring occurrence fixing cylinder rod 24 is slidably arranged in the telescopic fixing hole 15, and the two opposite inner walls of the pouring occurrence fixing cylinder rod 24 A limit groove 28 is provided on the upper surface, a limit spring 27 is telescopically arranged in the limit groove 28, a blocking member 25 is slidably arranged in the limit groove 28, the blocking member 25 is connected to the limit spring 27, a pouring port 26 is arranged on the bottom wall of the pouring fixed cylinder rod 24, and the pouring port 26 is arranged below the blocking member 25; the telescopic limit device 14 includes a limit fixing frame 29, a sliding clamping plate 30 and a telescopic spring 31, the limit fixing frame 29 is arranged on the rotating plate 10, and a clamping groove 32 is provided on two opposite inner side walls of the limit fixing frame 29, the sliding clamping plate 30 is slidably arranged in the clamping groove 32, the telescopic spring 31 is arranged between the sliding clamping plate 30 and the limit fixing frame 29, the telescopic spring 31 is hollow, and an electrorheological fluid is arranged in the telescopic spring 31;The automatic watering device 8 includes a watering box 33, a watering hose 34, a water inlet 35 and a water outlet 36. The watering box 33 is arranged on the fixed plate 7, the water inlet 35 is arranged on the upper wall of the watering box 33, the water outlet 36 is arranged at the bottom end of the side wall of the watering box 33, one end of the watering hose 34 is connected to the water outlet 36, and the other end of the watering hose 34 is connected to the fixed cylinder rod 24 for watering; the transmission device 5 includes a transmission gear 37, a transmission gear 38, a transmission chain 39 and a transmission motor 40. The transmission gear 37 is rotatably arranged on the fixed frame 4, the transmission gear 38 is rotatably arranged on the fixed frame 4, the transmission chain 39 is sleeved on the transmission gear 37 and the transmission gear 38, the transmission motor 40 is arranged on the fixed frame 4, and the output end of the transmission motor 40 is connected to the transmission gear 37.;

[0033] When in use, firstly, the electrical components in the device are connected to an external power supply and a control switch, the sowing device is moved to the land to be sown, and the toggle rod 22 is pulled. The toggle rod 22 moves along the positioning groove 23 and is stuck in the positioning groove 23. At this time, the embedded trigger rod 21 extends from the fixed barrel rod 20, and the potato seed block with the bud eye facing upward is placed between the fixed rods 13. The fixed rods 13 are extended and retracted along the telescopic fixing holes 15, driving the sliding clamping plate 30 to slide along the clamping slide groove 32. At this time, the telescopic spring 31 is contracted, the electrorheological fluid is energized, and the electrorheological The liquid changes from liquid to solid, and the potato seed block with the bud eye facing upward is fixed in a directional manner by the fixing rod 13, and the digging motor 47 is started. The digging motor 47 rotates to drive the driving rod 43 to rotate, and the driving rod 43 rotates to drive the digging rod 45 to dig a hole, and the digging rod 45 moves to drive the digging head 46 to dig a hole, and the transmission motor 40 is started. The transmission motor 40 rotates to drive the transmission gear 37 to rotate, and the transmission gear 37 rotates to drive the transmission chain 39 to rotate, and the transmission chain 39 rotates to drive the transmission gear 38 to rotate, and the transmission gear 38 rotates. The transmission chain 39 rotates to drive the bud eye directional transmission on-demand irrigation device 3 to move. When the bud eye directional transmission on-demand irrigation device 3 moves to the pit, the electrorheological fluid is powered off, and the fixing force disappears. At this time, the potato seed block with the bud eye facing upward falls into the pit through the seed drop groove 51 under the action of gravity. At this time, the telescopic spring 31 is extended, and the embedded trigger rod 21 is inserted into the irrigation fixed cylinder rod 24. The embedded trigger rod 21 pushes the blocking member 25 away from the irrigation port 26. At this time, the limit spring 27 contracts, and the water in the irrigation box 33 passes through The water outlet 36 enters the irrigation hose 34, flows through the irrigation hose 34 to the irrigation fixed cylinder rod 24, and finally flows out through the irrigation port 26, achieving the technical effect of watering the potatoes. After the potato on-demand sowing is completed, as the transmission proceeds, when the automatic watering device 8 is transmitted from a low point to a high point, the irrigation box 33 gradually becomes inverted. At this time, the water outlet 36 faces upward, and the water stops flowing out, achieving the multiple technical effects of automatic watering of potatoes and on-demand sowing with the buds facing upward. The above is the specific working process of the present invention, and this step can be repeated the next time it is used.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the foregoing and their equivalents.

[0036] The present invention and its embodiments are described above, and such description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the present invention.

Claims

1. A potato seeding device, characterized in that: It includes an on-demand vehicle, a pit digging mechanism and a bud eye directional transmission on-demand watering device, the pit digging mechanism is arranged on the on-demand vehicle, and the bud eye directional transmission on-demand watering device is arranged on the on-demand vehicle; the bud eye directional transmission on-demand watering device includes a fixed frame, a transmission device and a bud eye directional on-demand watering device, the fixed frame is arranged on the on-demand vehicle, the transmission device is arranged on the fixed frame, and the bud eye directional on-demand watering device is arranged on the transmission device; the bud eye directional on-demand watering device includes a fixed plate, an automatic watering device and a bud eye directional fixing device, the fixed plate is arranged on the transmission device, the automatic watering device is arranged on the fixed plate, and the bud eye directional fixing device is rotatably arranged on the fixed plate; the bud eye directional The fixing device includes a rotating plate, a supporting connecting column and a directional fixing release component, the rotating plate is symmetrically rotatably arranged on the fixing plate, the supporting connecting column is arranged between the rotating plates, and the directional fixing release component is arranged on the rotating plate; the directional fixing release component includes a fixing rod and a telescopic limiting device, the rotating plate is provided with a telescopic fixing hole, the fixing rod is snap-fitted and slidably arranged in the telescopic fixing hole, the telescopic limiting device is arranged on the rotating plate, and the telescopic limiting device is connected to the fixing rod; the fixing rod includes an upper fixing rod and a lower fixing rod, the upper fixing rod includes a trigger fixing rod and a pouring fixing rod, the trigger fixing rod is snap-fitted and slidably arranged in the telescopic fixing hole, the pouring fixing rod The rod is snap-fitted and slidably arranged in the telescopic fixing hole, the trigger fixing rod and the pouring fixing rod are arranged relatively to each other, and the lower fixing rod is arranged below the upper fixing rod; the trigger fixing rod comprises a fixed barrel rod, an embedded trigger rod, a toggle rod and a positioning groove, the fixed barrel rod is snap-fitted and slidably arranged in the telescopic fixing hole, the embedded trigger rod is telescopically arranged in the fixed barrel rod, the positioning groove is arranged on the fixed barrel rod, the toggle rod is arranged on the embedded trigger rod, the toggle rod is movably arranged in the positioning groove, and the cross-section of the positioning groove is T-shaped; the pouring fixing rod comprises a pouring fixing barrel rod, a blocking member, a pouring port and a limit spring, the pouring fixing barrel rod is snap-fitted and slidably arranged in the telescopic fixing hole, The two opposite inner side walls of the pouring fixed cylinder rod are provided with limit grooves, the limit spring is telescopically arranged in the limit groove, the blocking piece is snap-fitted and slidably arranged in the limit groove, the blocking piece is connected to the limit spring, the pouring port is arranged on the bottom wall of the pouring fixed cylinder rod, and the pouring port is arranged below the blocking piece; the telescopic limit device comprises a limit fixing frame, a sliding snap-fit ​​plate and a telescopic spring, the limit fixing frame is arranged on the rotating plate, the two opposite inner side walls of the limit fixing frame are provided with snap-fitting grooves, the sliding snap-fit ​​plate is snap-fitted and slidably arranged in the snap-fitting grooves, the telescopic spring is arranged between the sliding snap-fit ​​plate and the limit fixing frame, the telescopic spring is hollow, and an electrorheological fluid is arranged in the telescopic spring.

2. A potato seeding device according to claim 1, characterized in that: The automatic watering device includes a watering box, a watering hose, a water inlet and a water outlet. The watering box is arranged on a fixed plate, the water inlet is arranged on the upper wall of the watering box, the water outlet is arranged at the bottom end of the side wall of the watering box, one end of the watering hose is connected to the water outlet, and the other end of the watering hose is connected to the fixed tube rod for watering.

3. A potato seeding device according to claim 2, characterized in that: The conveying device includes a transmission gear, a transmission gear, a transmission chain and a transmission motor. The transmission gear is rotatably arranged on a fixed frame, the transmission gear is rotatably arranged on the fixed frame, the transmission chain is sleeved on the transmission gear and the transmission gear, the transmission motor is arranged on the fixed frame, and the output end of the transmission motor is connected to the transmission gear.

4. A potato seeding device according to claim 3, characterized in that: The digging mechanism includes a supporting and fixing plate, a fixing block, a driving rod, a connecting rod, a digging rod, a digging head and a digging motor. The supporting and fixing plate is arranged on the on-demand vehicle, the fixing block is arranged on the on-demand vehicle, one end of the driving rod is rotatably arranged on the supporting and fixing plate, one end of the digging rod is hinged to the other end of the driving rod, one end of the connecting rod is rotatably arranged on the fixing block, the other end of the connecting rod is hinged to the digging rod, the digging head is arranged at the other end of the digging rod, the digging motor is arranged on the supporting and fixing plate, and the output end of the digging motor is connected to the driving rod.

5. A potato seeding device according to claim 4, characterized in that: The on-demand vehicle comprises a vehicle body, moving wheels and handrails. The moving wheels are rotatably arranged on the vehicle body, the handrails are arranged on the vehicle body, and a seed placement groove is arranged on the vehicle body.

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