A corn stalk cutter

Abstract

The application discloses a corn stubble cleaner and belongs to the technical field of agricultural machinery. The corn stubble cleaner comprises a protective shell, a traction frame is rotationally connected to the protective shell, a driving mechanism, an auxiliary moving assembly, a first stubble cleaning mechanism, a root hooking mechanism, a second stubble cleaning mechanism and a covering roller are centrally arranged on the protective shell, the driving mechanism comprises a transmission shaft, a gear transmission mechanism and a chain wheel mechanism, the root hooking mechanism hooks the root of the straw, the double stubble cleaning mechanisms are matched to crush, the residual straw is completely removed, the unique design of the crushing tooth block improves the crushing efficiency, the auxiliary moving assembly makes the equipment adapt to different terrains, the integrated design is compact, the gear and the chain wheel transmission linkage are linked with each mechanism, power transmission is efficient, the covering roller levels the land, reduces soil damage, improves soil fertility, creates good conditions for subsequent planting, and the whole realizes efficient, environment-friendly and intelligent stubble cleaning operation.

Description

Technical Field

[0001] This application relates to the field of agricultural machinery technology, and more specifically, to a stubble remover for corn. Background Technology

[0002] After corn harvest, a large amount of corn stalks remain in the fields, especially the roots which are deeply embedded in the soil. Traditional stubble removal equipment is difficult to completely remove corn stalks. Usually, the corn stalks above ground are crushed, but the deeply buried roots cannot be effectively removed. If the roots deep in the soil are not treated in time, they will affect the planting of the next season's crops, hinder the normal operation of sowing machinery, affect seed germination and growth, and affect fertilizer absorption and utilization. In view of this, we propose a stubble removal machine for corn. Utility Model Content

[0003] 1. Technical problems to be solved

[0004] The purpose of this application is to provide a stubble remover for corn, which solves the technical problems mentioned in the background art. This corn stubble remover uses a root hooking mechanism to hook out the roots of the stalks, and then uses a dual stubble removal mechanism to crush them, thoroughly removing residual stalks. The unique design of the crushing teeth improves crushing efficiency, the auxiliary moving components allow the equipment to adapt to different terrains, the integrated design is compact, and the gear and sprocket transmission links all mechanisms, resulting in efficient power transmission. The covering roller flattens the land, reduces soil damage, improves soil fertility, and creates favorable conditions for subsequent planting. Overall, it achieves the technical effects of efficient, environmentally friendly, and intelligent stubble removal.

[0005] 2. Technical Solution

[0006] This application provides a stubble remover for corn, comprising: a protective shell, a traction frame rotatably hinged to the protective shell, and a drive mechanism, an auxiliary moving component, a first stubble remover, a root hook-out mechanism, a second stubble remover, and a covering roller centrally mounted on the protective shell. The drive mechanism includes a transmission shaft, a gear transmission mechanism, and a sprocket mechanism for linkage between the first and second stubble remover mechanisms.

[0007] The first stubble-cutting mechanism includes a first rotating rod, which is rotatably mounted on a protective shell. Multiple convex hinge seats are fixedly provided on the first rotating rod at equal intervals, and crushing tooth blocks are fixedly mounted on the convex hinge seats by bolts.

[0008] The root hooking mechanism includes a mounting beam, which is fixedly disposed on the inner wall of the protective shell. Multiple arc-shaped hook plates are inserted into the mounting beam and threadedly fixed thereon by threaded rods.

[0009] The second stubble-killing mechanism includes a second rotating rod, which is rotatably connected to the mounting beam. Multiple first helical gears are fixedly arranged at equal intervals on the second rotating rod. Each first helical gear is meshed with a second helical gear. A vertical shaft is fixedly arranged on the second helical gear. The upper end of the vertical shaft is rotatably connected to the protective shell. A blade-type impeller is fixedly arranged at the bottom end of the vertical shaft. The blade-type impeller is located at the front of the arc-shaped hook plate.

[0010] By adopting the above technical solution, a traction frame is rotatably hinged to the protective shell. The traction frame is connected to the agricultural tractor equipment, which provides forward power and traction direction for the stubble eradicator. The protective shell centrally houses the drive mechanism, auxiliary moving components, first stubble eradication mechanism, root hooking mechanism, second stubble eradication mechanism, and covering roller. The drive mechanism links the first and second stubble eradication mechanisms to work simultaneously. The first stubble eradication mechanism consists of a first rotating rod, multiple convex hinge seats, and crushing teeth mounted on the convex hinge seats. Multiple crushing teeth can be used to... The rotating crushing blocks initially break up the corn stalks on the ground. The root hooking mechanism, through multiple arc-shaped hook plates installed on the mounting beam, penetrates deep into the soil and hooks out the roots of the corn stalks. Then, the second rotating rod in the second stubble-cutting mechanism drives multiple first helical gears to rotate. The first helical gears cause the corresponding meshing second helical gears to rotate, causing the vertical shaft to drive the blade-type impeller at the bottom to rotate at high speed, which can further crush the hooked-out corn stalk roots. The covering roller, located behind the stubble-cutting machine, covers and presses the treated soil to further level the land, completing the entire stubble-cutting operation.

[0011] Optionally, two rotating seats are fixedly provided on the protective shell, and the rotating seats are rotatably connected to the traction frame via shafts.

[0012] By adopting the above technical solution, the swivel provides a stable support point for the rotation of the traction frame, and the traction frame can rotate flexibly on the protective shell through the shaft connection, which makes it convenient to adjust the working angle and direction of the stubble smother and adapt to different field working environments.

[0013] Optionally, the auxiliary moving component includes L-shaped seats fixed at both ends of the protective shell, each L-shaped seat having a screw threaded onto it, and a universal wheel rotatably connected to the bottom end of the screw.

[0014] By adopting the above technical solution, the L-shaped seat provides a stable support structure for the installation of the screw. By rotating the screw, the height of the caster wheel can be adjusted so that it can make good contact with the ground under different terrain conditions, assisting the stubble destroyer to move smoothly and improving the equipment's passability and flexibility.

[0015] Optionally, the gear transmission mechanism includes a gearbox, the transmission shaft is rotatably connected to the gearbox, and the transmission shaft is fixedly connected to a first bevel gear. The first bevel gear meshes with a second bevel gear and a third bevel gear. The second bevel gear and the third bevel gear are rotatably disposed in the gearbox via shafts. The sprocket mechanism includes a first sprocket assembly and a second sprocket assembly. The shaft connected to the second bevel gear is rotatably connected to the first rotating rod, and the shaft connected to the third bevel gear is rotatably connected to the second rotating rod, and the support block is fixedly disposed on the protective shell.

[0016] By adopting the above technical solution, the first bevel gear, the second bevel gear, and the third bevel gear are meshed and connected, and are all rotatably installed in the gearbox. The first bevel gear is driven to rotate through the drive shaft, which in turn drives the second bevel gear and the third bevel gear to rotate. The second bevel gear transmits the first rotating rod to rotate continuously through the first sprocket assembly, while the third bevel gear transmits the second rotating rod to rotate continuously through the second sprocket assembly.

[0017] Optionally, the crushing tooth block includes a connecting ear and a three-bladed plate, the connecting ear and the three-bladed plate are integrally fixedly connected, the connecting ear is fixed to the convex hinge seat by bolt thread, and the blades on both sides of the three-bladed plate are arc plate structures and are fixedly provided with multiple horizontal blades.

[0018] By adopting the above technical solution, the crushing tooth block is fixedly connected by the connecting ear and the three-blade plate in one piece, which has good strength and stability. The blades on both sides of the three-blade plate are arc-shaped and are fixed with multiple horizontal blades, which increases the contact area with the straw and the crushing effect, so that the straw can be crushed more fully.

[0019] Optionally, the mounting beam has multiple rectangular slots evenly spaced along its linear axis, the upper end of the arc-shaped hook plate is inserted into the rectangular slot, and the arc-shaped hook plate is threadedly connected to the threaded rod. The mounting beam also has multiple rectangular mounting grooves evenly spaced along its linear axis, and a first helical gear is rotatably installed in each of the rectangular mounting grooves.

[0020] By adopting the above technical solution, the upper end of the arc-shaped hook plate is inserted into the rectangular slot and fixed by the threaded rod, which facilitates the installation and disassembly of the arc-shaped hook plate. A first helical gear is rotatably installed in the rectangular mounting slot, providing a stable installation position for the first helical gear and ensuring the accuracy and stability of gear meshing.

[0021] 3. Beneficial effects

[0022] One or more technical solutions provided in this application have at least the following technical effects or advantages:

[0023] 1. The crushing teeth block performs preliminary crushing of corn stalks on the ground. The arc-shaped hook plate can reach deep into the soil to hook out the roots of the stalks. With the blade impeller, the hooked roots are thoroughly crushed to achieve efficient and thorough stubble removal and effectively solve the problem of stalk residue.

[0024] 2. The crushing blocks adopt a unique three-blade structure, increasing the contact area with the straw and improving the crushing effect. The blade-type impeller further crushes the straw roots, ensuring that the straw is processed into fine particles for easy subsequent return to the field or cleaning.

[0025] 3. The gear transmission mechanism and sprocket mechanism of the drive mechanism are linked, resulting in a compact structure and reasonable layout. This reduces the size of the equipment while improving power transmission efficiency, lowering the failure rate, minimizing damage to the soil structure, and helping to maintain soil fertility and aeration, thus creating a good soil environment for the growth of the next season's crops. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of a stubble-removing machine for corn, as disclosed in a preferred embodiment of this application.

[0027] Figure 2 This is a schematic diagram of the protective shell and auxiliary moving component structure of a corn stubble destroyer disclosed in a preferred embodiment of this application;

[0028] Figure 3 This is a schematic diagram of the first stubble-cutting mechanism, the root hooking mechanism, and the second stubble-cutting mechanism of a stubble-cutting machine for corn, disclosed in a preferred embodiment of this application.

[0029] Figure 4 A stubble remover for corn, as disclosed in a preferred embodiment of this application. Figure 3 Enlarged structural diagram at point A in the middle;

[0030] Figure 5 A stubble remover for corn, as disclosed in a preferred embodiment of this application. Figure 3 Enlarged structural diagram at point B;

[0031] Explanation of the numbers in the diagram: 1. Protective shell; 11. Rotary seat; 2. Traction frame; 3. Drive mechanism; 31. Gearbox; 32. Drive shaft; 33. First bevel gear; 34. Second bevel gear; 35. First sprocket assembly; 36. Third bevel gear; 37. Second sprocket assembly; 4. Auxiliary moving assembly; 41. L-shaped seat; 42. Screw; 43. Caster wheel; 5. First stubble-killing mechanism; 51. First rotating rod; 5 2. Convex hinge seat; 53. Crushing tooth block; 531. Connecting ear; 532. Three-leaf plate; 533. Horizontal plate; 6. Root hooking mechanism; 61. Mounting beam; 611. Rectangular slot; 612. Rectangular mounting groove; 62. Arc-shaped hook plate; 63. Threaded rod; 7. Second stubble-killing mechanism; 71. Second rotating rod; 72. First helical gear; 73. Second helical gear; 74. Vertical shaft; 75. Blade impeller; 8. Overlapping roller. Detailed Implementation

[0032] The present application will be further described in detail below with reference to the accompanying drawings.

[0033] Reference Figures 1 to 5 This application provides a stubble-removing machine for corn, comprising: a protective shell 1, a traction frame 2 rotatably hinged on the protective shell 1, and a drive mechanism 3, an auxiliary moving component 4, a first stubble-removing mechanism 5, a root hook-out mechanism 6, a second stubble-removing mechanism 7, and a covering roller 8 centrally mounted on the protective shell 1. The drive mechanism 3 includes a transmission shaft 32, a gear transmission mechanism, and a sprocket mechanism for linkage between the first stubble-removing mechanism 5 and the second stubble-removing mechanism 7.

[0034] The first stubble-cutting mechanism 5 includes a first rotating rod 51, which is rotatably mounted on the protective shell 1. Multiple convex hinge seats 52 are fixedly provided on the first rotating rod 51 at equal intervals. The convex hinge seats 52 are fixedly mounted with crushing tooth blocks 53 by bolts.

[0035] The root hooking mechanism 6 includes a mounting beam 61, which is fixedly installed on the inner wall of the protective shell 1. Multiple arc-shaped hook plates 62 are inserted into the mounting beam 61 and threadedly fixed by threaded rods 63.

[0036] The second stubble-cutting mechanism 7 includes a second rotating rod 71, which is rotatably connected to the mounting beam 61. Multiple first helical gears 72 are fixedly mounted on the second rotating rod 71 at equal intervals. Each first helical gear 72 meshes with a second helical gear 73. A vertical shaft 74 is fixedly mounted on the second helical gear 73. The upper end of the vertical shaft 74 is rotatably connected to the protective shell 1, and a blade-type impeller 75 is fixedly mounted on the bottom end of the vertical shaft 74. The blade-type impeller 75 is located at the front of the arc-shaped hook plate 62. A traction frame 2 is rotatably hinged to the protective shell 1, and the traction frame 2 is connected to the agricultural tractor equipment. The agricultural tractor equipment provides forward power and traction direction for the stubble-cutting machine. The protective shell 1 centrally mounts a drive mechanism 3, an auxiliary moving component 4, a first stubble-cutting mechanism 5, a root hooking mechanism 6, a second stubble-cutting mechanism 7, and a covering roller 8. The drive mechanism 3 is linked to the first... The first stubble-crushing mechanism 5 and the second stubble-crushing mechanism 7 work simultaneously. The first stubble-crushing mechanism 5 consists of a first rotating rod 51, multiple convex hinge seats 52, and crushing tooth blocks 53 installed on the convex hinge seats 52. The rotation of multiple crushing tooth blocks 53 can be used to initially crush the corn stalks on the ground. The root hooking mechanism 6 uses multiple arc-shaped hook plates 62 installed on the mounting beam 61 to penetrate into the soil and hook out the roots of the corn stalks. Then, the second rotating rod 71 in the second stubble-crushing mechanism 7 drives multiple first helical gears 72 to rotate. The first helical gears 72 cause the corresponding meshing second helical gears 73 to rotate, which causes the vertical shaft 74 to drive the blade-type impeller 75 at the bottom to rotate at high speed, which can further crush the hooked-out corn stalk roots. The covering roller 8 is behind the stubble-crushing machine to cover and press the treated soil, further leveling the land and completing the entire stubble-crushing operation.

[0037] Reference Figure 1 and Figure 2 Two rotating seats 11 are fixedly provided on the protective shell 1. The rotating seats 11 are rotatably connected to the traction frame 2 through the shaft. The rotating seats 11 provide a stable support point for the rotation of the traction frame 2. The traction frame 2 can be flexibly rotated on the protective shell 1 through the shaft connection, which makes it convenient to adjust the working angle and direction of the stubble wiping machine and adapt to different field working environments.

[0038] Reference Figure 1 and Figure 2 The auxiliary moving component 4 includes L-shaped seats 41 fixed at both ends of the protective shell 1. Each L-shaped seat 41 is threaded with a screw 42. The bottom end of the screw 42 is rotatably connected to a caster wheel 43. The L-shaped seat 41 provides a stable support structure for the installation of the screw 42. By rotating the screw 42, the height of the caster wheel 43 can be adjusted so that it can make good contact with the ground under different terrain conditions, assisting the stubble destroyer to move smoothly and improving the equipment's passability and flexibility.

[0039] Reference Figure 3 and Figure 5The gear transmission mechanism includes a gearbox 31, a transmission shaft 32 rotatably connected to the gearbox 31, and a first bevel gear 33 fixedly connected to the transmission shaft 32. The first bevel gear 33 meshes with a second bevel gear 34 and a third bevel gear 36. The second bevel gear 34 and the third bevel gear 36 are rotatably mounted in the gearbox 31 via shafts. The sprocket mechanism includes a first sprocket assembly 35 and a second sprocket assembly 37. The shaft connected to the second bevel gear 34 is connected to the first rotating rod 51 via a transmission connection to the first sprocket assembly 35. The shaft connected to the third bevel gear 36 is connected to the second rotating rod 71 via a transmission connection. A support block is rotatably connected to the shaft connecting the second sprocket assembly 37 and the third bevel gear 36. The support block is fixed on the protective shell 1. The first bevel gear 33, the second bevel gear 34, and the third bevel gear 36 are meshed and rotatably installed in the gearbox 31. The first bevel gear 33 is driven to rotate through the drive shaft 32, causing the second bevel gear 34 and the third bevel gear 36 to rotate. The second bevel gear 34 transmits the first rotating rod 51 to rotate continuously through the first sprocket assembly 35, while the third bevel gear 36 transmits the second rotating rod 71 to rotate continuously through the second sprocket assembly 37.

[0040] Reference Figure 3 and Figure 4 The crushing tooth block 53 includes a connecting ear 531 and a three-leaf plate 532. The connecting ear 531 and the three-leaf plate 532 are integrally fixedly connected. The connecting ear 531 is fixed to the convex hinge seat 52 by bolt threads. The leaf plates on both sides of the three-leaf plate 532 are arc-shaped plate structures and are fixedly provided with multiple horizontal pieces 533. The crushing tooth block 53 is integrally fixedly connected by the connecting ear 531 and the three-leaf plate 532, and the whole has good strength and stability. The leaf plates on both sides of the three-leaf plate 532 are arc-shaped plate structures and are fixedly provided with multiple horizontal pieces 533, which increases the contact area with straw and the crushing effect, so that the straw can be crushed more fully.

[0041] Reference Figure 3 and Figure 5 The mounting beam 61 has multiple rectangular slots 611 evenly spaced along its linear axis. The upper end of the arc-shaped hook plate 62 is inserted into the rectangular slot 611, and the arc-shaped hook plate 62 is threadedly connected to the threaded rod 63. The mounting beam 61 also has multiple rectangular mounting grooves 612 evenly spaced along its linear axis. A first helical gear 72 is rotatably installed in each of the rectangular mounting grooves 612. The upper end of the arc-shaped hook plate 62 is inserted into the rectangular slot 611 and is threadedly fixed by the threaded rod 63, which facilitates the installation and removal of the arc-shaped hook plate 62. The first helical gear 72 is rotatably installed in each of the rectangular mounting grooves 612, providing a stable installation position for the first helical gear 72 and ensuring the accuracy and stability of gear meshing.

[0042] Working principle: During use, adjust the screw 42 according to the terrain and adjust the universal wheel 43 to an appropriate height so that the agricultural tractor equipment, after being connected to the protective shell 1 via the traction frame 2, can move the entire stubble-crushing device smoothly. The agricultural tractor equipment, as the drive source of the transmission shaft 32, can transmit the rotation of the first bevel gear 33, so that the second bevel gear 34 and the third bevel gear 36 transmit power to the first rotating rod 51 and the second rotating rod 71 respectively through the sprocket mechanism. The first rotating rod 51 drives multiple convex hinge seats 52 to rotate together, so that multiple crushing teeth 53 rotate, and perform preliminary crushing of corn stalks on the ground. In the process, the second rotating rod 71 rotates, causing multiple first helical gears 72 to rotate accordingly. The first helical gears 72 cause the corresponding meshing second helical gears 73 to drive the vertical shaft 74 to rotate. The blade impeller 75 fixed at the bottom of the vertical shaft 74 rotates at high speed. During the forward movement of the stubble destroyer, the arc-shaped hook plate 62 inserts into the soil, hooks out the roots of the corn stalks in the soil, and conveys them to the blade impeller 75. The blade impeller 75 crushes the hooked stalk roots into fine particles. The covering roller 8 is behind the stubble destroyer and covers the treated soil to further level the land, completing the entire stubble destroying operation.

Claims

1. A stubble-removing machine for corn, characterized in that: It includes: a protective shell (1), a traction frame (2) rotatably hinged on the protective shell (1), and a drive mechanism (3), an auxiliary moving component (4), a first stubble-killing mechanism (5), a root hook-out mechanism (6), a second stubble-killing mechanism (7) and a covering roller (8) centrally mounted on the protective shell (1). The drive mechanism (3) includes a transmission shaft (32), a gear transmission mechanism and a sprocket mechanism, which are used to link the first stubble-killing mechanism (5) and the second stubble-killing mechanism (7). The first stubble-killing mechanism (5) includes a first rotating rod (51), which is rotatably mounted on the protective shell (1). Multiple convex hinge seats (52) are fixedly provided on the first rotating rod (51) at equal intervals. The convex hinge seats (52) are fixedly mounted with crushing tooth blocks (53) by bolts. The root hooking mechanism (6) includes a mounting beam (61), which is fixedly installed on the inner wall of the protective shell (1). Multiple arc-shaped hook plates (62) are inserted into the mounting beam (61) and threadedly fixed by a threaded rod (63). The second stubble-killing mechanism (7) includes a second rotating rod (71), which is rotatably connected to the mounting beam (61). Multiple first helical gears (72) are fixedly arranged at equal intervals on the second rotating rod (71). Each of the first helical gears (72) is meshed with a second helical gear (73). The second helical gear (73) is fixedly provided with a vertical shaft (74). The upper end of the vertical shaft (74) is rotatably connected to the protective shell (1). The bottom end of the vertical shaft (74) is fixedly provided with a blade impeller (75). The blade impeller (75) is located at the front of the arc-shaped hook plate (62).

2. A stubble remover for corn according to claim 1, characterized in that: Two rotating seats (11) are fixedly provided on the protective shell (1), and the rotating seats (11) are rotatably connected to the traction frame (2) through a shaft.

3. A stubble remover for corn according to claim 1, characterized in that: The auxiliary moving component (4) includes an L-shaped seat (41) fixed at both ends of the protective shell (1), and a screw (42) is threadedly installed on each L-shaped seat (41). A universal wheel (43) is rotatably connected to the bottom end of the screw (42).

4. A stubble remover for corn according to claim 1, characterized in that: The gear transmission mechanism includes a gearbox (31), the transmission shaft (32) is rotatably connected to the gearbox (31), and the transmission shaft (32) is fixedly connected to a first bevel gear (33). The first bevel gear (33) meshes with a second bevel gear (34) and a third bevel gear (36). The second bevel gear (34) and the third bevel gear (36) are rotatably mounted in the gearbox (31) via shafts. The sprocket mechanism includes a first sprocket assembly (35) and a second sprocket assembly (37). The shaft connected to the second bevel gear (34) is rotatably connected to the first rotating rod (51) via the first sprocket assembly (35). The shaft connected to the third bevel gear (36) is rotatably connected to the second rotating rod (71) via the second sprocket assembly (37). The shaft connected to the third bevel gear (36) is rotatably connected to a support block, and the support block is fixedly mounted on the protective shell (1).

5. A stubble remover for corn according to claim 1, characterized in that: The crushing tooth block (53) includes a connecting ear (531) and a three-leaf plate (532). The connecting ear (531) and the three-leaf plate (532) are integrally fixedly connected. The connecting ear (531) is fixed to the convex hinge seat (52) by bolt thread. The leaf plates on both sides of the three-leaf plate (532) are arc plate structures and are fixedly provided with multiple horizontal plates (533).

6. A stubble remover for corn according to claim 1, characterized in that: The mounting beam (61) has multiple rectangular slots (611) evenly spaced along its linear axis. The upper end of the arc-shaped hook plate (62) is inserted into the rectangular slot (611), and the arc-shaped hook plate (62) is threadedly connected to the threaded rod (63). The mounting beam (61) also has multiple rectangular mounting grooves (612) evenly spaced along its linear axis. A first helical gear (72) is rotatably installed in each of the rectangular mounting grooves (612).

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