A mounting device for a self-propelled potato planter

Abstract

This invention relates to the field of attaching agricultural implements to tractors, specifically an attachment device for a self-propelled potato planter. The device includes a transition frame, a hydraulic cylinder, connecting rods, and a transition bar. The transition frame is a vertically mounted rectangular frame formed by connecting an upper rod, a left rod, a lower rod, and a right rod end-to-end. The planter frame includes a crossbar and two right-angle brackets at both ends of the crossbar, perpendicular to it. Each right-angle bracket includes an upright post and a horizontal post perpendicular to the upright post. The connecting rod consists of four identical rods. Two connection points on the left rod and two connection points on the upright post of the left right-angle bracket are rotatably connected to the ends of the two connecting rods, forming a parallelogram structure. This invention enables the planter to swing left and right horizontally and float up and down vertically during planting operations. During road transport, the planter is fixedly connected to the tractor, preventing left and right swinging and vertical floating.

Description

Technical Field

[0001] This invention relates to the field of attaching agricultural implements to tractors, and particularly to a device for attaching a potato planter to a tractor. Background Technology

[0002] Planting potatoes in small plots in hilly and mountainous areas requires small planting machines. Therefore, using a self-propelled potato planter instead of the traditional tractor-mounted method can significantly reduce the size of the machine, making it easier to operate in limited spaces. However, when the self-propelled potato planter is in planting mode, the planting unit needs to be lowered to the ground for operation, and the planting unit needs freedom of movement in both vertical and horizontal directions to facilitate traction and steering by the main unit (tractor). When traveling on field roads, the planting unit needs to be raised off the ground. In the raised state, the planting unit's freedom of movement needs to be restricted to avoid affecting safety, and it is also required that it does not interfere with the components of the main unit after being raised. Summary of the Invention

[0003] The technical problem to be solved by this invention is: how to provide a mounting device that can travel on field roads and is suitable for planting potatoes in small plots in hilly and mountainous areas, requiring a small planting machine.

[0004] The technical solution adopted in this invention is: a mounting device for a self-propelled potato planter. During use, the vertically mounted traction frame 2 at the tail of the traction machine 9 and the planting unit frame 6 at the head of the planting unit 8 are connected via this mounting device. The mounting device includes a transition frame 3, a hydraulic cylinder 4, a connecting rod 5, and a transition bar 10. The transition frame 3 is a vertically mounted rectangular frame formed by connecting an upper rod, a left rod, a lower rod, and a right rod end-to-end. The planting unit frame 6 includes a horizontal bar and two right-angle brackets at both ends of the horizontal bar, perpendicular to the horizontal bar. Each right-angle bracket includes an upright post and a horizontal post perpendicular to the upright post. The connecting rod 5 consists of four identical rods. The two connection points on the left rod and the left right-angle bracket... The two connection points on the upright are rotatably connected to the two ends of the two connecting rods 5 respectively, forming a parallelogram structure. The two connection points on the right rod and the two connection points on the upright of the right right-angle bracket are rotatably connected to the two ends of the two connecting rods 5 respectively, forming a parallelogram structure. The middle part of the upper rod is connected to the upper part of the traction frame 2 through the upper pin 11. The middle part of the lower rod is connected to the lower part of the traction frame 2 through the lower pin 12. An upper ear seat 101 is installed in the middle part of the upper rod. A lower ear seat 601 is installed in the middle part of the crossbar. The lower ear seat 601 is rotatably connected to one end of the transition rod 10. The other end of the transition rod 10 is rotatably connected to one end of the hydraulic cylinder 4. The other end of the hydraulic cylinder 4 is pin-connected to the upper ear seat 101.

[0005] The mounting device also includes anti-sway bars 501, and the upper connecting rod 5 of the two connecting rods 5 connected to the right rod and the upper connecting rod 5 of the two connecting rods 5 connected to the left rod are connected by two parallel anti-sway bars 501.

[0006] The mounting device also includes two circular chain chains 13. The middle part of the upper connecting rod 5 of the two connecting rods 5 connected to the right rod is connected to one end of a circular chain chain 13 through a first connector 16. The other end of the circular chain chain 13 is connected to the horizontal rod of the right right-angle bracket through a second connector 7. The middle part of the upper connecting rod 5 of the two connecting rods 5 connected to the left rod is connected to one end of another circular chain chain 13 through a first connector 16. The other end of the circular chain chain 13 is connected to the horizontal rod of the left right-angle bracket through a second connector 7.

[0007] The first connector 16 is a circular chain tensioner, the second connector 7 is a fastening bolt, and the circular chain tensioner includes an adjusting bolt 14 and an adjusting nut 15.

[0008] The traction frame 2 includes an upper traction frame and a lower traction frame fixed together at both ends. The upper traction frame includes two upper connecting plates 201 and a vertical connecting rod 204. The two upper connecting plates 201 are symmetrically fixed to both ends of the vertical connecting rod 204. The lower traction frame includes two lower connecting plates 202 and a vertical connecting plate 203. The two lower connecting plates 202 are symmetrically fixed to both ends of the vertical connecting plate 203. The lower upper connecting plate 201 of the upper traction frame is connected to the traction frame. The upper connecting plate 202 of the lower connecting frame of the traction frame is fixed together. There are pin holes in front of the two upper connecting plates (201) and the two lower connecting plates 202. There are bolt holes at the rear of the two upper connecting plates 201 and the two lower connecting plates 202 for fixing to the tail of the traction machine 9. The upper connecting plate 201 of the upper connecting frame of the traction frame is connected to the upper rod through the upper pin 11. The lower connecting plate 201 of the upper connecting frame of the traction frame and the two lower connecting plates 202 of the lower connecting frame of the traction frame are connected to the lower rod through the lower pin 12.

[0009] The traction machine 9 is connected to the traction frame 2 via the traction frame inclined tie 1.

[0010] The beneficial effects of the present invention are: the present invention achieves the following: in the sowing operation state, the sowing unit can swing left and right in the horizontal plane and float up and down in the vertical plane; in the road transportation state, the sowing unit is fixedly connected to the tractor and will not swing left and right or float up and down in the vertical plane. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of the present invention when connecting the traction machine and the seeding unit;

[0012] Figure 2 This is a schematic diagram of the structure of the present invention viewed from front to back in the sowing state;

[0013] Figure 3 This is a schematic diagram of the structure of the present invention viewed from back to front in the sowing state;

[0014] Figure 4 This is a schematic diagram of the road transport status structure of the present invention;

[0015] Figure 5 This is a schematic diagram of the traction frame structure of the present invention;

[0016] Among them, 1. Traction frame inclined frame, 2. Traction frame, 3. Transition frame, 4. Hydraulic cylinder, 5. Connecting rod, 6. Seeding unit frame, 7. Second connecting joint, 8. Seeding unit, 9. Traction machine, 10. Transition rod, 11. Upper pin, 12. Lower pin, 13. Circular chain, 14. Adjusting bolt, 15. Adjusting nut, 16. First connecting head, 201. Upper connecting plate, 101. Upper ear seat, 202. Lower connecting plate, 203. Vertical connecting plate, 204. Vertical connecting rod, 501. Anti-sway rod, 601. Lower ear seat. Detailed Implementation

[0017] like Figure 1 As shown, a self-propelled potato planter has a coupling device in which the vertically mounted traction frame 2 at the tail of the traction machine 9 and the planting unit frame 6 at the head of the planting unit 8 are connected during use.

[0018] like Figure 2-3 As shown, the attachment device (i.e., the attachment device of a self-propelled potato planter of the present invention) includes a transition frame 3, a hydraulic cylinder 4 (in one embodiment, it can be a double-rod hydraulic cylinder), a connecting rod 5, and a transition rod 10, as follows. Figure 2 As shown, the transition frame 3 is a vertical rectangular frame mounted on the traction frame 2, consisting of an upper rod, a left rod, a lower rod, and a right rod connected end-to-end. The seeding unit frame 6 includes a horizontal rod and two right-angle supports at both ends of the horizontal rod, perpendicular to it. Each right-angle support includes an upright rod and a horizontal rod perpendicular to the upright rod. The connecting rods 5 consist of four identical rods. The two connection points on the left rod and the two connection points on the upright of the left right-angle support are rotatably connected (here, hinged) to the ends of the two connecting rods 5, forming a parallelogram structure. The two connection points on the right rod and the two connection points on the upright of the right right-angle support are rotatably connected (here, hinged) to the ends of the two connecting rods 5, forming a parallelogram structure. The parallelogram structure ensures that the seeding unit frame 6 can only float vertically, avoiding interference between the seeding unit 8 and other components of the traction machine 9.

[0019] The traction frame 2 adopts a double traction point structure. The middle part of the upper rod is connected to the upper part of the traction frame 2 through an upper pin 11, and the middle part of the lower rod is connected to the lower part of the traction frame 2 through a lower pin 12. The line connecting the upper pin 11 and the lower pin 12 is parallel to the vertical connecting rod 204. An upper ear seat 101 is installed in the middle part of the upper rod, and a lower ear seat 601 is installed in the middle part of the crossbar. The lower ear seat 601 is rotatably connected to one end of the transition rod 10, and the other end of the transition rod 10 is rotatably connected to one end of the hydraulic cylinder 4. The other end of the hydraulic cylinder 4 is pin-connected to the upper ear seat 101.

[0020] like Figure 3-4 As shown, in order to improve the strength of each link 5 and prevent the link 5 from swaying and tilting due to asynchronous lifting and lowering, the hook-up device also includes anti-sway rods 501. The upper link 5 of the two links 5 connected to the right rod and the upper link 5 of the two links 5 connected to the left rod are connected by two parallel anti-sway rods 501.

[0021] like Figure 2-4 As shown, the mounting device also includes two circular chain chains 13. The middle part of the upper connecting rod 5 of the two connecting rods 5 connected to the right rod is connected to one end of a circular chain chain 13 through a first connector 16. The other end of the circular chain chain 13 is connected to the horizontal rod of the right right-angle bracket through a second connector 7. The middle part of the upper connecting rod 5 of the two connecting rods 5 connected to the left rod is connected to one end of another circular chain chain 13 through a first connector 16. The other end of the circular chain chain 13 is connected to the horizontal rod of the left right-angle bracket through a second connector 7.

[0022] To prevent the seeding unit 8 from swinging left and right around the upper and lower pins 11 and 12 when raised, the hydraulic cylinder 4 is retracted to its shortest position. The adjusting nut 15, which mates with the adjusting bolt 14, is then adjusted until the circular chain 13 is taut (the left and right circular chains 13 should be adjusted symmetrically), aligning the center of symmetry of the seeding unit 8 and the traction machine 9. At this point, the adjusting nut 15 is locked, rigidly connecting the adjusting bolt 14 and the connecting rod 5. This constraint of the circular chains 13 on both sides keeps the seeding unit 8 and the traction machine 9 in a fixed position during road travel, ensuring road safety. When field operations are required, the hydraulic cylinder 4 is extended to its longest position. At this point, the distance between the two ends of the circular chain 13 is shortest, and the circular chain 13 is relaxed. This allows the seeding unit 8 to swing within a certain range around the upper and lower pins 11 and 12. The traction machine 9 and the seeding unit 8 are hinged, facilitating the adjustment of the traction machine 9's forward direction.

[0023] The first connector 16 is a circular link chain tensioner, and the second connector 7 is a fastening bolt. The circular link chain tensioner includes an adjusting bolt 14 and an adjusting nut 15. Circular link chains and circular link chain tensioners are existing technologies. In this invention, only an adjustable-length circular link chain is used; therefore, the circular link chain and circular link chain tensioner will not be described in detail. These items can be purchased directly from the market.

[0024] like Figure 5 As shown, the traction frame 2 includes an upper connecting frame and a lower connecting frame fixed together at both ends. The upper connecting frame includes two upper connecting plates 201 and a vertical connecting rod 204. The two upper connecting plates 201 are symmetrically fixed to both ends of the vertical connecting rod 204. The lower connecting frame includes two lower connecting plates 202 and a vertical connecting plate 203. The two lower connecting plates 202 are symmetrically fixed to both ends of the vertical connecting plate 203. The lower connecting plate 202 is located below the upper connecting frame. 1. A lower connecting plate 202 on the upper part of the lower connecting frame of the traction frame is fixed together. Both upper connecting plates 201 and both lower connecting plates 202 have pin holes at their front ends, and both upper connecting plates 201 and both lower connecting plates 202 have bolt holes at their rear ends for fixing to the tail of the traction machine 9. The upper connecting plate 201 on the upper connecting frame of the traction frame is connected to the upper rod via an upper pin 11. The lower connecting plate 201 on the upper connecting frame of the traction frame and the two lower connecting plates 202 on the lower connecting frame of the traction frame are all connected to the lower rod via lower pins 12. The traction frame 2 design of this invention can meet tensile strength requirements while avoiding material waste.

[0025] like Figure 1 As shown, to increase strength and prevent the traction frame 2 from bending, the traction machine 9 is connected to the traction frame 2 via the traction frame diagonal brace 1, as follows. Figure 2 As shown, the traction frame inclined bracket 1 includes two steel plates connected together in a parallel structure. The traction frame inclined bracket 1 is fixedly connected to the traction machine 9, and the traction frame inclined bracket 1 is connected to the traction frame 2 by a pin.

[0026] In field operation mode, the hydraulic cylinder 4 and transition rod 10, which are hinged between the upper ear seat 101 and the lower ear seat 601, are in a relaxed state. The three centers—the hinge center between the upper ear seat 101 and the hydraulic cylinder 4, the hinge center between the hydraulic cylinder 4 and the transition rod 10, and the hinge center between the transition rod 10 and the lower ear seat 601—form a variable triangle. The distance between these two points can freely change as the seeding unit 8 floats up and down with the ground, thus ensuring that the seeding unit 8 floats freely with the ground conditions and maintains consistent sowing depth. Through the hinged arrangement of the upper ear seat 101, the lower ear seat 601, the hydraulic cylinder 4, and the transition rod 10, and the arrangement of the circular chain 13, the seeding unit 8 can swing left and right in the horizontal plane and float up and down in the vertical plane during sowing operations, while in road transport mode, the seeding unit 8 is fixedly connected to the main unit 9, thus meeting the usage requirements of both states.

Claims

1. A mounting device for a self-propelled potato planter, wherein during use, a vertically mounted traction frame (2) at the tail of the traction machine (9) and a planting unit frame (6) at the head of the planting unit (8) are connected via the mounting device, characterized in that: The mounting device includes a transition frame (3), a hydraulic cylinder (4), a connecting rod (5), and a transition rod (10). The transition frame (3) is a vertically mounted rectangular frame formed by connecting the upper rod, left rod, lower rod, and right rod end to end. The seeding unit frame (6) includes a horizontal bar and two right-angle brackets located at both ends of the horizontal bar and perpendicular to the horizontal bar. Each right-angle bracket includes an upright rod and a horizontal rod perpendicular to the upright rod. The connecting rod (5) consists of four rods with the same structure. The two connection points on the left rod and the two connection points on the upright rod of the left right-angle bracket are rotatably connected to the two ends of the two connecting rods (5). The two connecting points on the right rod and the two connecting points on the upright of the right right-angle bracket are respectively rotatably connected to the two ends of the two connecting rods (5) and form a parallelogram structure. The middle part of the upper rod is connected to the upper part of the traction frame (2) through the upper pin (11), and the middle part of the lower rod is connected to the lower part of the traction frame (2) through the lower pin (12). The middle part of the upper rod is equipped with an upper ear seat (101), and the middle part of the crossbar is equipped with a lower ear seat (601). The lower ear seat (601) is rotatably connected to one end of the transition rod (10). The other end of the 0) is rotatably connected to one end of the hydraulic cylinder (4), and the other end of the hydraulic cylinder (4) is pinned to the upper ear seat (101); the hooking device also includes anti-sway bar (501), the upper connecting rod (5) of the two connecting rods (5) connected to the right rod and the upper connecting rod (5) of the two connecting rods (5) connected to the left rod are connected by two parallel anti-sway bars (501); the hooking device also includes two circular chain (13), the middle part of the upper connecting rod (5) of the two connecting rods (5) connected to the right rod is connected to a circular chain (13) through the first connector (16). One end of the circular chain (13) is connected to the horizontal rod of the right right-angle bracket via a second connecting joint (7); the middle part of the upper connecting rod (5) of the two connecting rods (5) connected to the left rod is connected to one end of another circular chain (13) via a first connecting head (16), and the other end of the circular chain (13) is connected to the horizontal rod of the left right-angle bracket via a second connecting joint (7); the first connecting head (16) is a circular chain tensioner, and the second connecting joint (7) is a fastening bolt. The circular chain tensioner includes an adjusting bolt (14) and an adjusting nut (15).

2. The attachment device for a self-propelled potato planter according to claim 1, characterized in that: The traction frame (2) includes an upper traction frame and a lower traction frame fixed together at both ends. The upper traction frame includes two upper connecting plates (201) and a vertical connecting rod (204). The two upper connecting plates (201) are symmetrically fixed at both ends of the vertical connecting rod (204). The lower traction frame includes two lower connecting plates (202) and a vertical connecting plate (203). The two lower connecting plates (202) are symmetrically fixed at both ends of the vertical connecting plate (203). The lower upper connecting plate (201) of the upper traction frame is connected to the traction frame. The upper connecting plate (202) of the lower connecting frame of the traction frame is fixed together. There are pin holes in front of the two upper connecting plates (201) and the two lower connecting plates (202). There are bolt holes at the rear of the two upper connecting plates (201) and the two lower connecting plates (202) for fixing to the tail of the traction machine (9). The upper connecting plate (201) of the upper connecting frame of the traction frame is connected to the upper rod through the upper pin (11). The lower connecting plate (201) of the upper connecting frame of the traction frame and the two lower connecting plates (202) of the lower connecting frame of the traction frame are connected to the lower rod through the lower pin (12).

3. The attachment device for a self-propelled potato planter according to claim 1, characterized in that: The traction machine (9) and the traction frame (2) are connected by the traction frame inclined bracket (1).

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