Automatic harvesting device for pennisetum purpureum stem treatment

Abstract

The invention discloses an automatic harvesting device for pennisetum purpureum stem treatment, and relates to the technical field of automatic harvesting devices. Comprising a hand-push type vehicle body, a harvesting mechanism is installed at the front end of the hand-push type vehicle body, a push frame is arranged at the rear end of the hand-push type vehicle body, the harvesting mechanism comprises a vertical frame, and a plurality of wheel chain assemblies are installed on the side, close to the hand-push type vehicle body, of the vertical frame; and the mounting frame is mounted on the side, away from the hand-push type vehicle body, of the vertical frame. By arranging the harvesting mechanism, a hand-push type vehicle body can be pushed, a seedling pulling frame is used for guiding, stalks enter a conveying cavity through a strip-shaped opening, a cutting wheel located in a V-shaped opening works, the stalks are cut off, a chain wheel motor drives a chain wheel to rotate, the cut stalks are pulled through a pulling plate and a pulling frame of a conveying chain, and therefore the stalks can be harvested. And in the process, the shifting frame is matched with the strip-shaped cutting knife to further cut the passing stalks, and finally, the stalks are discharged from one side of the conveying cavity.

Description

Technical Field

[0001] The present invention relates to the technical field of automatic harvesting devices, in particular to an automatic harvesting device for processing elephant grass stems. Background Art

[0002] Traditional manual harvesting has always played a vital role in agricultural production. However, with the advancement of large-scale and intensive agricultural production, this labor-intensive operation has gradually exposed numerous drawbacks. On the one hand, manual harvesting is extremely labor-intensive, requiring workers to bend over for long periods of time, which is not only inefficient but also prone to fatigue and injury. On the other hand, against the backdrop of rising labor costs, the high labor costs have seriously impacted the economic benefits of agricultural production.

[0003] While some existing mechanized harvesting equipment has alleviated these issues to some extent, it still has many shortcomings. For example, the harvesting mechanism of some equipment is not well designed, making it difficult to effectively guide the stalks to the designated position for cutting and transportation during the harvesting process.

[0004] After searching, the application scheme of Chinese patent application number CN202320774306.7 discloses a walk-behind soybean harvester with adjustable spacing, including a walk-behind cart, the front end of the walk-behind cart is fixedly connected to the harvester body, fixed shafts are fixedly connected to both sides of the harvester body, and harvesting teeth are fixedly connected to the center of the harvester body. The same harvesting teeth are threadedly connected to both sides of the harvesting teeth through a first threaded rod. The harvesting teeth on both sides are slidably connected to the surface of the harvester body, and a driving device is provided inside the central harvesting tooth. The soybean harvester in the above-mentioned document has the following shortcomings: although it can meet the cutting requirements, it cannot well carry out directional transportation of the harvested materials. Summary of the Invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art and to propose an automatic harvesting device for processing elephant grass stems.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions: An automatic harvesting device for processing elephant grass stems includes a hand-push vehicle body, a harvesting mechanism is installed at the front end of the hand-push vehicle body, and a push frame is provided at the rear end of the hand-push vehicle body. The harvesting mechanism includes: A stand, with multiple wheel chain assemblies installed on one side of the stand close to the push-type vehicle body; The mounting frame is installed on the side of the vertical frame away from the push-type vehicle body. The mounting frame is L-shaped and has evenly distributed strip openings. The straw rack is installed on the side of the mounting frame away from the vertical frame, and the strip opening is located between the tail ends of two adjacent straw racks; the width of the straw rack gradually increases towards the mounting frame; The cutting wheel has a V-shaped opening on the mounting frame, and the cutting wheel is rotatably mounted in the mounting frame, with one side of the cutting wheel exposed in the V-shaped opening; the mounting frame is provided with a driving portion for driving the cutting wheel to rotate; A conveying cavity is formed between the vertical frame and the mounting frame. The wheel chain assembly includes a sprocket and a conveying chain. The conveying chain is installed on the outside of the two sprockets. The sprockets on the same side are coaxially installed. The shaft of the sprocket is rotatably installed on the inner wall of the vertical frame. A sprocket motor for driving the sprocket to rotate is installed on the top of the vertical frame; the lowest conveying chain is equipped with equidistantly distributed shift plates, and the remaining conveying chains are equipped with equidistantly distributed shift frames. The vertical frame is provided with a through opening for the conveying chain, shift plates and shift frames to pass through; the shift frame is provided with a transverse opening, and a strip cutting knife is installed on the mounting frame. One end of the strip cutting knife is located in the conveying cavity, and the position of the strip cutting knife is adapted to the transverse opening.

[0007] As a preferred embodiment of the present invention, the ends of the shifting frame are bent toward both sides to form a Y-shaped structure.

[0008] As a preferred embodiment of the present invention, guide blocks are fixed to one side of the two ends of the stand close to the mounting frame, and the side walls of the guide blocks are arc-shaped structures with a raised middle portion.

[0009] As a preferred embodiment of the present invention: a cutter seat is installed on the side of the mounting frame away from the vertical frame, and a through hole is opened on the mounting frame for the strip cutting knife to pass through. One end of the guide block is rotatably mounted on the cutter seat through an axis, and the cutter seat and the strip cutting knife are connected by a torsion spring, and multiple cutting teeth are arranged on the two side walls of the strip cutting knife.

[0010] As a preferred embodiment of the present invention, the mounting frame is fixed with inclined plates distributed in pairs on one side away from the vertical frame, each pair of inclined plates is in an eight-shaped structure, and the ends of the inclined plates extend to the sides of the strip-shaped opening.

[0011] As a preferred embodiment of the present invention, an angle adjustment mechanism is installed on the hand-push vehicle body, and the angle adjustment mechanism includes: A first hydraulic cylinder is provided with a mounting base hingedly connected to the push-type vehicle body, and the first hydraulic cylinder is mounted on the mounting base; a sleeve, the sleeve being mounted on an output end of the first hydraulic cylinder; The two connecting frames are installed on one side of the vertical frame close to the hand-push type vehicle body, one connecting frame is hinged to the hand-push type vehicle body, and a support shaft is installed on the other connecting frame, and the sleeve is rotatably installed on the support shaft.

[0012] As a preferred embodiment of the present invention, an auxiliary crushing mechanism is installed on the side of the hand-push vehicle body, and the auxiliary crushing mechanism includes: A roller frame, on which a roller is rotatably mounted, and a plurality of shifting teeth are provided on the surface of the roller; Side bracket, the side bracket is installed on one side of the roller frame, and a knife holder is installed on the side bracket. The position of the knife holder is adapted to the shifting teeth, and the shifting teeth and the knife holder are hook-shaped structures in opposite directions. A crushing knife is installed on the knife holder; The roller motor is installed on the outer wall of one side of the roller frame and is used to drive the roller to rotate; Position adjustment component, the position adjustment component is used to adjust the position of the roller frame.

[0013] As a preferred embodiment of the present invention, an auxiliary crushing mechanism is installed on the side of the hand-push vehicle body, and the auxiliary crushing mechanism includes: A roller frame is rotatably mounted on the roller frame, and a plurality of groups of arc-shaped knives are arranged on the surface of the roller. The two arc-shaped knives in each group are symmetrically arranged. A transverse sliding column is fixed to the side of the two arc-shaped knives, and a sliding column guide frame is fixed to the surface of the roller. The transverse sliding column slides on the inner wall of the sliding column guide frame, and the transverse sliding column and the sliding column guide frame are connected by a supporting spring. Inclined plates are fixed to the ends of the two arc-shaped knives, and the distance between the two inclined plates gradually increases in the direction away from the arc-shaped knives. A side bracket is installed on one side of the roller frame. A ball head rod is installed on the side bracket, and the spherical end of the ball head rod extends to the movement path of the inclined plate; The roller motor is installed on the outer wall of one side of the roller frame and is used to drive the roller to rotate; Position adjustment component, the position adjustment component is used to adjust the position of the roller frame.

[0014] As a preferred embodiment of the present invention: the position adjustment component includes a second hydraulic cylinder, the second hydraulic cylinder is installed on the hand-push vehicle body, the output end of the second hydraulic cylinder is installed with a lifting base, the lifting base is installed with a third hydraulic cylinder, and the roller frame is fixed to the output end of the third hydraulic cylinder.

[0015] As a preferred embodiment of the present invention, the hand-push type vehicle body is replaced with a vehicle body.

[0016] The beneficial effects of the present invention are: 1. The present invention is capable of pushing the hand-push vehicle body by setting a harvesting mechanism, and using the straw rack for guidance, so that the stems pass through the strip opening and enter the conveying cavity. The cutting wheel located in the V-shaped opening works to cut the stems, and the sprocket motor drives the sprocket to rotate. The cut stems are moved by the shifting plate and the shifting rack of the conveying chain so that they are transported horizontally in the conveying cavity. During the process, the shifting rack cooperates with the strip cutting knife to further cut the passing stems, and finally, the passing stems are discharged from one side of the conveying cavity.

[0017] 2. The present invention provides a Y-shaped shifting frame, which can play a certain limiting role during transportation, making it more convenient to shift the stems, and can cooperate to realize the transportation of the stems in different directions based on the forward and reverse rotation of the sprocket motor.

[0018] 3. The present invention provides a movable strip cutting knife. During the conveying process, the cutting teeth on the side of the strip cutting knife are used to assist in cutting. When cutting becomes difficult, the strip cutting knife deflects and avoids based on the deformation of the torsion spring to facilitate the passage of the structure. When passing through, the cutting teeth continue to assist in cutting. Since there are multiple groups of strip cutting knives, the cutting efficiency can be guaranteed without getting stuck.

[0019] 4. The present invention is equipped with an auxiliary crushing mechanism, which can extend the roller frame on one side of the stem output direction. Based on the operation of the roller motor, the roller is driven to rotate, and then the teeth are used to hook the fallen stems. With the cooperation of the knife frame and the crushing knife, the hooked stems are auxiliary crushed, thereby improving the crushing effect.

[0020] 5. Since the stalk conveying direction of the present invention is variable, auxiliary crushing mechanisms are provided on both sides of the hand-push vehicle body and the positions are adjustable, which can better adapt to S-shaped route harvesting. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic structural diagram of an automatic harvesting device for processing elephant grass stems proposed in Example 1 of the present invention; Figure 2 This is a schematic structural diagram of an angle adjustment mechanism of an automatic harvesting device for processing elephant grass stems proposed in Example 1 of the present invention; Figure 3 This is a schematic diagram of the structure of a harvesting mechanism of an automatic harvesting device for processing elephant grass stems proposed in Example 1 of the present invention; Figure 4 This is a schematic diagram of the separation structure of the strip cutting blade and the shifting frame of an automatic harvesting device for processing elephant grass stems proposed in Example 1 of the present invention; Figure 5 This is a schematic structural diagram of an auxiliary crushing mechanism of an automatic harvesting device for processing elephant grass stems proposed in Example 1 of the present invention; Figure 6 This is a schematic structural diagram of an automatic harvesting device for processing elephant grass stems proposed in Example 2 of the present invention; Figure 7 This is a schematic structural diagram of an automatic harvesting device for processing elephant grass stems proposed in Example 3 of the present invention.

[0022] In the figure: 1-hand-push type vehicle body; 2-push frame; 3-third hydraulic cylinder; 4-vertical frame; 5-inclined plate; 6-grazing frame; 7-guide block; 8-roller frame; 9-side bracket; 10-mounting frame; 11-sprocket; 12-conveyor chain; 13-push plate; 14-connecting frame; 15-sleeve; 16-mounting seat; 17-first hydraulic cylinder; 18-push frame; 19-sprocket motor; 20-strip mouth; 21-cutting wheel; 22-lateral opening; 23-strip cutting knife; 24-cutter seat; 25-torsion spring; 26-lifting base; 27-crushing knife; 28-push tooth; 29-knife holder; 30-roller motor; 31-second hydraulic cylinder; 32-roller; 33-lateral sliding column; 34-arc knife; 35-support spring; 36-sliding column guide frame; 37-ball head rod; 38-vehicle body. DETAILED DESCRIPTION

[0023] The technical solution of the present invention will be further described in detail below in conjunction with specific implementation methods.

[0024] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention. Example 1

[0025] An automatic harvesting device for processing elephant grass stems, such as Figure 1-7 As shown, it includes a push-type vehicle body 1, a harvesting mechanism is installed at the front end of the push-type vehicle body 1, and a push frame 2 is provided at the rear end of the push-type vehicle body 1. The harvesting mechanism includes: A stand 4, with multiple wheel chain assemblies installed on one side of the stand 4 close to the push-type vehicle body 1; The mounting frame 10 is mounted on the side of the stand 4 away from the push-type vehicle body 1. The mounting frame 10 is L-shaped and has evenly distributed strip openings 20. The straw rack 6 is mounted on the side of the mounting frame 10 away from the vertical frame 4, and the strip opening 20 is located between the tail ends of two adjacent straw racks 6; the width of the straw rack 6 gradually increases toward the mounting frame 10; The cutting wheel 21 is rotatably mounted in the mounting frame 10 with a V-shaped opening formed on the mounting frame 10, and one side of the cutting wheel 21 is exposed in the V-shaped opening. A driving unit, such as a motor, is provided on the mounting frame 10 to drive the cutting wheel 21 to rotate. A conveying cavity is formed between the stand 4 and the mounting frame 10, and the wheel chain assembly includes a sprocket 11 and a conveying chain 12. The conveying chain 12 is installed on the outside of the two sprockets 11, and the sprockets 11 on the same side are coaxially installed. The shaft of the sprocket 11 is rotatably installed on the inner wall of the stand 4, and a sprocket motor 19 for driving the sprocket 11 to rotate is installed on the top of the stand 4; the lowest conveying chain 12 is installed with equidistantly distributed shift plates 13, and the remaining conveying chains 12 are installed with equidistantly distributed shift frames 18, and the stand 4 is provided with a through opening for the conveying chain 12, the shift plate 13 and the shift frame 18 to pass through; the shift frame 18 is provided with a transverse opening 22, and a strip cutting knife 23 is installed on the mounting frame 10, one end of the strip cutting knife 23 is located in the conveying cavity, and the position of the strip cutting knife 23 is adapted to the transverse opening 22; By setting up a harvesting mechanism, the hand-push vehicle body 1 can be pushed, and the straw rack 6 is used for guidance, so that the stems pass through the strip opening 20 into the conveying cavity, and the cutting wheel 21 located in the V-shaped opening works to cut the stems. The sprocket motor 19 drives the sprocket 11 to rotate, and the shifting plate 13 and the shifting rack 18 of the conveying chain 12 are used to shift the cut stems so that they are transported horizontally in the conveying cavity. During the process, the shifting rack 18 cooperates with the strip cutting knife 23 to further cut the passing stems, and finally, the passing stems are discharged from one side of the conveying cavity.

[0026] In order to facilitate transportation; Figure 3 、 Figure 4 As shown, the ends of the shifting frame 18 are bent toward both sides to form a Y-shaped structure; By setting up the Y-shaped structure of the shifting frame 18, it can play a certain limiting role during transportation, making it more convenient to shift the stems, and can cooperate with the forward and reverse rotation of the sprocket motor 19 to achieve transportation of the stems in different directions.

[0027] In order to facilitate the discharge of stems; Figure 1 As shown, guide blocks 7 are fixed to one side of the two ends of the stand 4 close to the mounting frame 10, and the side walls of the guide blocks 7 are arc-shaped structures with a raised middle portion.

[0028] In order to avoid the structure from getting stuck; Figure 1 As shown, a cutter seat 24 is installed on the side of the mounting frame 10 away from the stand 4. A through hole is opened on the mounting frame 10 for the strip cutter 23 to pass through. One end of the guide block 7 is rotatably mounted on the cutter seat 24 through an axis. The cutter seat 24 and the strip cutter 23 are connected by a torsion spring 25. A plurality of cutting teeth are provided on both side walls of the strip cutter 23. The width of the hole should meet the deflection requirements of the strip cutting knife 23; By setting up a movable strip cutting knife 23, during the conveying process, the cutting teeth on the side of the strip cutting knife 23 are used to assist in cutting. When cutting becomes difficult, the strip cutting knife 23 deflects and avoids based on the deformation of the torsion spring 25 to facilitate the passage of the structure. When passing through, the cutting teeth continue to assist in cutting. Since there are multiple groups of strip cutting knives 23, the cutting efficiency can be guaranteed without getting stuck.

[0029] In order to better guide the stem into the delivery cavity; Figure 3 As shown, the mounting frame 10 is fixed with a pair of inclined plates 5 on one side away from the vertical frame 4. Each pair of inclined plates 5 is in an eight-shaped structure, and the ends of the inclined plates 5 extend to the side of the strip-shaped opening 20. By providing the inclined plate 5, the stems can be auxiliary guided so that they can enter the conveying cavity more smoothly.

[0030] In order to facilitate the adjustment of the angle of the harvesting mechanism; Figure 2 、 Figure 3 As shown, the hand-pushing vehicle body 1 is equipped with an angle adjustment mechanism, which includes: A first hydraulic cylinder 17 is provided, and a mounting base 16 is hingedly connected to the push-type vehicle body 1 , and the first hydraulic cylinder 17 is mounted on the mounting base 16 ; Sleeve 15, sleeve 15 is installed at the output end of the first hydraulic cylinder 17; The two connecting frames 14 are installed on one side of the vertical frame 4 close to the hand-push type vehicle body 1. One connecting frame 14 is hinged to the hand-push type vehicle body 1. The other connecting frame 14 is equipped with a support shaft, and the sleeve 15 is rotatably installed on the support shaft.

[0031] In order to facilitate auxiliary crushing processing; Figure 5 As shown, the side of the push-type vehicle body 1 is equipped with an auxiliary crushing mechanism, which includes: A roller frame 8, on which a roller 32 is rotatably mounted, and a plurality of shifting teeth 28 are provided on the surface of the roller 32; Side bracket 9, side bracket 9 is installed on one side of roller frame 8, and a knife holder 29 is installed on the side bracket 9. The position of knife holder 29 is adapted to the shifting tooth 28, and the shifting tooth 28 and knife holder 29 are hook-shaped structures with opposite directions. A crushing knife 27 is installed on the knife holder 29; The roller motor 30 is mounted on the outer wall of the roller frame 8 and is used to drive the roller 32 to rotate; Position adjustment component, the position adjustment component is used to adjust the position of the roller frame 8.

[0032] In order to facilitate the adjustment of the structural position; Figure 5As shown, the position adjustment assembly includes a second hydraulic cylinder 31, which is installed on the push-type vehicle body 1. The output end of the second hydraulic cylinder 31 is installed with a lifting base 26, and the lifting base 26 is installed with a third hydraulic cylinder 3. The roller frame 8 is fixed to the output end of the third hydraulic cylinder 3; By setting up an auxiliary crushing mechanism, the roller frame 8 on the side of the stem output direction can be extended, and the roller motor 30 can be used to drive the roller 32 to rotate, and then the picking teeth 28 are used to hook the fallen stems. With the cooperation of the knife frame 29 and the crushing knife 27, the hooked stems are assisted in crushing, thereby improving the crushing effect.

[0033] Since the stalk conveying direction of the present invention is variable, auxiliary crushing mechanisms are provided on both sides of the hand-push vehicle body 1 and the positions are adjustable, which can better adapt to S-shaped route harvesting. Example 2

[0034] An automatic harvesting device for processing elephant grass stems, such as Figure 6 As shown, in order to better crush; this embodiment makes the following improvements on the basis of embodiment 1: an auxiliary crushing mechanism is installed on the side of the hand-push vehicle body 1, and the auxiliary crushing mechanism includes: A roller frame 8 is rotatably mounted on the roller frame 8. A plurality of groups of arc-shaped knives 34 are arranged on the surface of the roller 32. The two arc-shaped knives 34 in each group are symmetrically arranged. A transverse sliding post 33 is fixed to the side of the two arc-shaped knives 34. A sliding post guide 36 is fixed to the surface of the roller 32. The transverse sliding post 33 slides on the inner wall of the sliding post guide 36. The transverse sliding post 33 and the sliding post guide 36 are connected by a support spring 35. An inclined plate is fixed to the ends of the two arc-shaped knives 34. The distance between the two inclined plates gradually increases in the direction away from the arc-shaped knives 34. The side bracket 9 is mounted on one side of the roller frame 8. A ball head rod 37 is mounted on the side bracket 9. The spherical end of the ball head rod 37 extends to the movement path of the inclined plate; The roller motor 30 is mounted on the outer wall of the roller frame 8 and is used to drive the roller 32 to rotate; Position adjustment component, the position adjustment component is used to adjust the position of the roller frame 8; By setting up an auxiliary crushing mechanism, the roller frame 8 on one side of the stem output direction can be extended, and the roller motor 30 can drive the roller 32 to rotate, and then the stems are crushed by the arc knife 34. As the roller 32 rotates, the inclined plate contacts the ball head rod 37, and the distance between the two arc knives 34 is expanded, so that the stems that are not completely crushed can be torn to both sides to improve the crushing effect.

[0035] In order to facilitate the adjustment of the structural position; Figure 5As shown, the position adjustment component includes a second hydraulic cylinder 31, which is installed on the push-type vehicle body 1. The output end of the second hydraulic cylinder 31 is installed with a lifting base 26, and the lifting base 26 is installed with a third hydraulic cylinder 3. The roller frame 8 is fixed to the output end of the third hydraulic cylinder 3. Example 3

[0036] An automatic harvesting device for processing elephant grass stems, such as Figure 7 As shown, this embodiment is based on Example 1: the hand-push vehicle body 1 is replaced with a vehicle body 38, and harvesting is achieved by driving the vehicle body 38. Accordingly, the corresponding dimensions of the structure should be adaptively adjusted, and the control buttons, control panel, etc. should be adjusted from the hand-push vehicle body 1 and the push frame 2 to be arranged in the cab of the vehicle body 38. This embodiment only provides another implementation method. For adaptive adjustments such as dimensions and component installation positions, those skilled in the art can obtain a complete solution based on actual conditions and their own professional knowledge. Since the arrangement of structures such as the control panel is not the focus of the solution of the present invention, it will not be described in detail.

[0037] For the parts of the present invention that are not fully disclosed, those skilled in the art can ensure that the solutions of the present invention are successfully implemented based on common sense, normal thinking logic and existing technologies.

[0038] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. An automatic harvesting device for processing elephant grass stems, characterized in that: The invention comprises a hand-push type vehicle body (1), a harvesting mechanism is installed at the front end of the hand-push type vehicle body (1), and a push frame (2) is provided at the rear end of the hand-push type vehicle body (1), and the harvesting mechanism comprises: A stand (4), wherein a plurality of wheel chain assemblies are installed on a side of the stand (4) close to the push-type vehicle body (1); A mounting frame (10), the mounting frame (10) is mounted on a side of the stand (4) away from the push-type vehicle body (1), the mounting frame (10) is L-shaped, and the mounting frame (10) is provided with evenly distributed strip openings (20); The plowing frame (6) is mounted on a side of the mounting frame (10) away from the vertical frame (4), and the strip opening (20) is located between the tail ends of two adjacent plowing frames (6); the width of the plowing frame (6) gradually increases in a direction close to the mounting frame (10); A cutting wheel (21) is provided with a V-shaped opening on the mounting frame (10), and the cutting wheel (21) is rotatably mounted in the mounting frame (10), with one side of the cutting wheel (21) exposed in the V-shaped opening; a driving portion for driving the cutting wheel (21) to rotate is provided on the mounting frame (10); A conveying cavity is formed between the stand (4) and the mounting frame (10), and the wheel chain assembly includes a sprocket (11) and a conveying chain (12). The conveying chain (12) is installed on the outside of the two sprockets (11). The sprockets (11) on the same side are coaxially installed. The shaft of the sprocket (11) is rotatably installed on the inner wall of the stand (4). A sprocket motor (19) for driving the sprocket (11) to rotate is installed on the top of the stand (4); the conveying chain (12) at the bottom is equipped with equidistantly distributed shifters. The plate (13) is provided, and the remaining conveying chains (12) are provided with equally spaced shifting racks (18). The vertical frame (4) is provided with a through opening for the conveying chain (12), the shifting plate (13) and the shifting rack (18) to pass through. The shifting rack (18) is provided with a transverse opening (22). A strip cutting knife (23) is provided on the mounting frame (10), and one end of the strip cutting knife (23) is located in the conveying cavity. The position of the strip cutting knife (23) is adapted to the transverse opening (22).

2. The automatic harvesting device for processing elephant grass stems according to claim 1, characterized in that: The ends of the shifting frame (18) are bent toward both sides to form a Y-shaped structure.

3. The automatic harvesting device for processing elephant grass stems according to claim 1, characterized in that: A guide block (7) is fixed to one side of the two ends of the stand (4) close to the mounting frame (10), and the side wall of the guide block (7) is a curved surface structure with a raised middle portion.

4. The automatic harvesting device for processing elephant grass stems according to claim 1, characterized in that: A cutter seat (24) is installed on the side of the mounting frame (10) away from the stand (4). A through hole is provided on the mounting frame (10) for the strip cutter (23) to pass through. One end of the guide block (7) is rotatably mounted on the cutter seat (24) via a shaft. The cutter seat (24) and the strip cutter (23) are connected via a torsion spring (25). A plurality of cutting teeth are provided on two side walls of the strip cutter (23).

5. The automatic harvesting device for processing elephant grass stems according to claim 4, characterized in that: Pairs of inclined plates (5) are fixed to one side of the mounting frame (10) away from the vertical frame (4), each pair of inclined plates (5) is in an eight-shaped structure, and the ends of the inclined plates (5) extend to the side of the strip-shaped opening (20).

6. The automatic harvesting device for processing elephant grass stems according to claim 1, characterized in that: The hand-pushing vehicle body (1) is provided with an angle adjustment mechanism, which comprises: A first hydraulic cylinder (17), a mounting seat (16) is hingedly connected to the push-type vehicle body (1), and the first hydraulic cylinder (17) is mounted on the mounting seat (16); A sleeve (15), the sleeve (15) being mounted on an output end of the first hydraulic cylinder (17); A connecting frame (14), two connecting frames (14) are installed on one side of the vertical frame (4) close to the hand-push type vehicle body (1), one connecting frame (14) is hinged to the hand-push type vehicle body (1), and a support shaft is installed on the other connecting frame (14), and the sleeve (15) is rotatably installed on the support shaft.

7. The automatic harvesting device for processing elephant grass stems according to claim 1, characterized in that: An auxiliary crushing mechanism is installed on the side of the hand-push vehicle body (1), and the auxiliary crushing mechanism includes: A roller frame (8), a roller (32) is rotatably mounted on the roller frame (8), and a plurality of shifting teeth (28) are provided on the surface of the roller (32); A side bracket (9), the side bracket (9) is mounted on one side of the roller frame (8), a knife holder (29) is mounted on the side bracket (9), the position of the knife holder (29) is adapted to the shifting tooth (28), and the shifting tooth (28) and the knife holder (29) are hook-shaped structures with opposite directions, and a crushing knife (27) is mounted on the knife holder (29); A roller motor (30), the roller motor (30) is mounted on an outer wall of one side of the roller frame (8) and is used to drive the roller (32) to rotate; A position adjustment component is used to adjust the position of the roller frame (8).

8. The automatic harvesting device for processing elephant grass stems according to claim 1, characterized in that: An auxiliary crushing mechanism is installed on the side of the hand-push vehicle body (1), and the auxiliary crushing mechanism includes: A roller frame (8) is rotatably mounted on the roller frame (8), and a plurality of groups of arc-shaped knives (34) are arranged on the surface of the roller (32), and the two arc-shaped knives (34) of each group are symmetrically arranged. A transverse sliding column (33) is fixed to the side of the two arc-shaped knives (34), and a sliding column guide frame (36) is fixed to the surface of the roller (32), and the transverse sliding column (33) slides on the inner wall of the sliding column guide frame (36). The transverse sliding column (33) and the sliding column guide frame (36) are connected by a support spring (35); an inclined plate is fixed to the ends of the two arc-shaped knives (34), and the distance between the two inclined plates gradually increases in the direction away from the arc-shaped knives (34); A side bracket (9), the side bracket (9) is mounted on one side of the roller frame (8), a ball head rod (37) is mounted on the side bracket (9), and a spherical end of the ball head rod (37) extends to the movement path of the inclined plate; A roller motor (30), the roller motor (30) is mounted on an outer wall of one side of the roller frame (8) and is used to drive the roller (32) to rotate; A position adjustment component is used to adjust the position of the roller frame (8).

9. An automatic harvesting device for processing elephant grass stems according to claim 7 or 8, characterized in that: The position adjustment assembly includes a second hydraulic cylinder (31), the second hydraulic cylinder (31) is installed on the push-type vehicle body (1), the output end of the second hydraulic cylinder (31) is installed with a lifting base (26), the lifting base (26) is installed with a third hydraulic cylinder (3), and the roller frame (8) is fixed to the output end of the third hydraulic cylinder (3).

10. The automatic harvesting device for processing elephant grass stems according to claim 1, characterized in that: The hand-pushing vehicle body (1) is replaced with a vehicle body (38).

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