Three-stage chain multifunctional medicinal material harvester

Abstract

The invention relates to the technical field of agricultural machinery, in particular to a three-level chain multifunctional medicinal material harvester which comprises a rack, a driving connecting device, a conveying device, a discharging device and an excavating device. The conveying device comprises a first-stage conveying chain, a second-stage conveying chain and a third-stage conveying chain which are sequentially and obliquely arranged in the machine frame and are the same in rotating direction, a first auxiliary roller is arranged on the machine frame and located above the first-stage conveying chain, and a second auxiliary roller, a third auxiliary roller and a fourth auxiliary roller are arranged between the first-stage conveying chain and the second-stage conveying chain. The rotation directions of the first auxiliary roller, the second auxiliary roller and the third auxiliary roller are the same, the rotation directions of the fourth auxiliary roller and the first auxiliary roller are opposite, and the rotation directions of the first auxiliary roller and the first-stage conveying chain are the same. The device is reasonable in structure, and efficient and high-adaptability mechanical harvesting of various traditional Chinese medicine root medicinal materials is achieved through three-stage conveying chain optimization, auxiliary roller cooperative control, modular rack design and other innovations.

Description

Technical Field

[0001] The present invention relates to the technical field of agricultural machinery, and specifically refers to a three-stage chain multi-functional medicinal material harvester. Background Art

[0002] Plants whose rhizome parts can be used as medicinal materials are called rhizome-type Chinese medicinal materials. Most rhizome-type Chinese medicinal materials are precious Chinese herbal medicines, with great medicinal and economic value. At present, the harvesting of rhizome-type Chinese medicinal materials nationwide basically relies on traditional manual harvesting, which has a large labor intensity, low efficiency, and high labor costs. In addition, most of the harvesting machines that have emerged in China are special types, that is, harvesting machines for a certain type of rhizome-type Chinese medicinal material, with poor versatility. The general-purpose harvesting machines are in the design and research stage.

[0003] Therefore, it is very necessary to research and design a rhizome-type Chinese medicinal material harvester with strong versatility to reduce the labor intensity of farmers and improve the harvesting efficiency. At the same time, it is also the only way to realize the industrialized development of rhizome-type Chinese medicinal materials. Summary of the Invention

[0004] The present invention aims to solve the technical problems existing in the prior art, and provides a three-stage chain multi-functional medicinal material harvester.

[0005] The three-stage chain multi-functional medicinal material harvester includes a frame, a drive connection device, a conveying device, a discharging device, and a digging device;

[0006] The drive connection device is located at the front top of the frame, the conveying device is located inside the frame, the digging device is located at the front end of the frame and below the drive connection device, the discharging device is located at the tail end of the frame, and the traveling device is located at the bottom of the frame;

[0007] The conveying device includes a first-stage conveying chain, a second-stage conveying chain, and a third-stage conveying chain that are sequentially inclined inside the frame. The first-stage conveying chain is inclined at the front end inside the frame, the third-stage conveying chain is inclined at the tail end inside the frame. The feeding end of the second-stage conveying chain is located below the discharging end of the first-stage conveying chain, the feeding end of the third-stage conveying chain is located below the discharging end of the second-stage conveying chain. The rotation directions of the first-stage conveying chain, the second-stage conveying chain, and the third-stage conveying chain are the same. The first-stage conveying chain is drivingly connected to the second-stage conveying chain, and the second-stage conveying chain is drivingly connected to the third-stage conveying chain;

[0008] The drive connection device provides operating power to the first-stage conveying chain, the second-stage conveying chain, and the third-stage conveying chain.

[0009] Further, a first auxiliary roller is provided above the first-stage conveying chain on the frame, and the rotation direction of the first auxiliary roller is opposite to that of the first-stage conveying chain;

[0010] A material blocking plate is provided behind the top end of the first-stage conveying chain and above the top end of the second-stage conveying chain. A second auxiliary roller and a third auxiliary roller are arranged in the area between the rear of the top end of the first-stage conveying chain, the front side of the material blocking plate, and above the top end of the second-stage conveying chain. The second auxiliary roller and the third auxiliary roller rotate in the same direction as the first auxiliary roller.

[0011] A fourth auxiliary roller is arranged between the first-stage conveying chain and the second-stage conveying chain and below the second auxiliary roller and the third auxiliary roller. The rotation direction of the fourth auxiliary roller is opposite to that of the first auxiliary roller.

[0012] The rotations of the first auxiliary roller, the second auxiliary roller, the third auxiliary roller, and the fourth auxiliary roller are all controlled by a drive connection device.

[0013] Further, the drive connection device includes a gearbox. The output end of the gearbox includes a first output end and a second output end. The first output end is used to control the rotations of the first-stage conveying chain, the second-stage conveying chain, the third-stage conveying chain, and the fourth auxiliary roller. The second output end is used to control the rotations of the first auxiliary roller, the second auxiliary roller, and the third auxiliary roller.

[0014] Further, the excavating device includes an excavating plate obliquely installed at the bottom of the front end of the frame. The front end of the excavating plate is provided with excavating teeth. The rear end of the excavating plate is provided with a number of transition U-shaped members. The end of the transition U-shaped member away from the excavating plate is arranged above the feeding end of the first-stage conveying chain.

[0015] Further, the discharging device includes a temporary storage box arranged at the tail end of the frame. The top side and the side close to the frame of the temporary storage box are open. A baffle matching the opening on the side of the temporary storage box is provided at the tail end of the frame. One end of the temporary storage box close to the frame at the top is hinged to the frame. A hydraulic cylinder is arranged between the temporary storage box and the frame. One end of the hydraulic cylinder is hinged to the frame, and the other end is hinged to the temporary storage box. The hydraulic cylinder controls the opening and closing of the temporary storage box and the baffle.

[0016] Further, the first-stage conveying chain, the second-stage conveying chain, and the third-stage conveying chain each include two driving rollers and a mesh chain sleeved on the driving rollers. A number of sprockets are arranged on each driving roller. The mesh chain includes a number of closed-loop chains that are closed with the sprockets on the driving rollers. Connecting rods are arranged between adjacent chains. A number of support rods perpendicular to the axis of the connecting rod are arranged on each connecting rod.

[0017] Further, the frame includes a front frame and a rear frame. The rear frame is arranged behind the front frame. The drive connection device, the excavating device, the first-stage conveying chain, the second-stage conveying chain, the first auxiliary roller, the second auxiliary roller, the third auxiliary roller, and the fourth auxiliary roller are all installed on the front frame. The third-stage conveying chain and the discharging device are installed on the rear frame.

[0018] The bottom end of the rear frame close to the front frame is hinged to the front frame. On the outside of the frame, an angle adjustment plate is provided between the front frame and the rear frame. One end of the angle adjustment plate is fixed to the front frame, and the other end is provided with an arc-shaped strip hole. A screw rod passing through the arc-shaped strip hole is provided on the rear frame and is screwed with a nut.

[0019] The beneficial effects of the present invention compared with the prior art: The structure of the present invention is reasonable. Through innovations such as the optimization of the three-stage conveying chain, the collaborative control of the auxiliary rollers, and the modular frame design, the mechanized harvesting of various traditional Chinese medicine root medicinal materials with high efficiency and strong adaptability is realized. It is particularly suitable for popularization and use in traditional Chinese medicine planting areas with complex terrains such as hilly areas and mountainous areas in China, and has important significance for promoting the mechanization upgrade of the traditional Chinese medicine industry;

[0020] Improve the quality of medicinal material harvesting and reduce the breakage rate: The three-stage stepped conveying chain adopts a step-by-step lifting method to reduce the drop impact of medicinal materials during the conveying process. Compared with the traditional single-stage conveying, the breakage rate is reduced by more than 40%; the combined design of the auxiliary rollers and the material blocking plate ensures the smooth transfer of medicinal materials during the transition between each conveying chain, avoiding accumulation, material jamming or dropping;

[0021] Improve the operation efficiency and reduce the labor cost: The continuous conveying + automatic unloading design realizes the full-process automation of digging - conveying - storing - unloading, greatly improving the operation efficiency;

[0022] The double output ends of the gearbox drive to ensure the synchronous operation of the three-stage conveying chain and the auxiliary rollers, avoiding jamming or blockage caused by uneven power distribution. Description of the Drawings

[0023] Figure 1 is the internal structure schematic diagram of the three-stage chain multi-functional medicinal material harvester of the present invention;

[0024] Figure 2 is the conveying chain structure schematic diagram of the three-stage chain multi-functional medicinal material harvester of the present invention;

[0025] Figure 3 is the digging device schematic diagram of the three-stage chain multi-functional medicinal material harvester of the present invention;

[0026] Figure 4 is the three-stage conveying chain drive and the fourth auxiliary roller drive schematic diagram of the three-stage chain multi-functional medicinal material harvester of the present invention;

[0027] Figure 5 is the drive schematic diagram of the first, second, and third auxiliary rollers of the three-stage chain multi-functional medicinal material harvester of the present invention;

[0028] Figure 6 is the use schematic diagram of the three-stage chain multi-functional medicinal material harvester of the present invention;

[0029] As shown in the figure: 1. Frame; 2. First-stage conveying chain; 3. Second-stage conveying chain; 4. Third-stage conveying chain; 5. First auxiliary roller; 6. Material blocking plate; 7. Second auxiliary roller; 8. Third auxiliary roller; 9. Fourth auxiliary roller; 10. Gearbox; 11. First output end; 12. Second output end; 13. Excavation plate; 14. Excavation teeth; 15. U-shaped part; 16. Temporary storage box; 17. Baffle; 18. Hydraulic cylinder; 19. Driving roller; 20. Mesh chain; 21. Sprocket; 22. Chain; 23. Connecting rod; 24. Support rod; 25. Angle adjusting plate; 26. Arc-shaped strip hole; 27. Screw; 28. Nut; 101. Front frame; 102. Rear frame. Detailed implementation manners

[0030] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings, and is 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 orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0031] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, the meaning of "a plurality" is two or more, unless otherwise specifically defined.

[0032] In the description of the embodiments of the present invention, if a certain feature is referred to as being "arranged", "fixed", "connected", "installed" on another feature, it can be directly arranged, fixed, connected, installed on another feature, or indirectly arranged, fixed, connected, installed on another feature.

[0033] In the description of the embodiments of the present invention, if it involves "several", its meaning is more than one; if it involves "a plurality", its meaning is more than two; if it involves "greater than", "less than", "exceeding", it should be understood as not including the number itself; if it involves "above", "below", "within", it should be understood as including the number itself. If it involves "first" and "second", it should be understood as being used to distinguish technical features and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features or implicitly specifying the sequence relationship of the indicated technical features.

[0034] The following takes a three - stage chain multi - functional medicinal material harvester according to an embodiment of the present invention as an example for description with reference to the accompanying drawings.

[0035] As Figure 1 shown, the three - stage chain multi - functional medicinal material harvester includes a frame 1, a drive connection device, a conveying device, a discharging device, and a digging device;

[0036] The drive connection device is located at the front top of the frame 1, the conveying device is located inside the frame 1, the digging device is located at the front of the frame 1 and below the drive connection device, the discharging device is located at the tail end of the frame 1, and the traveling device is located at the bottom of the frame 1;

[0037] The conveying device includes a first - stage conveying chain 2, a second - stage conveying chain 3, and a third - stage conveying chain 4 that are sequentially and obliquely arranged inside the frame 1. The first - stage conveying chain 2 is obliquely arranged at the front end inside the frame 1, the third - stage conveying chain 4 is obliquely arranged at the tail end inside the frame 1. The feeding end of the second - stage conveying chain 3 is located below the discharging end of the first - stage conveying chain 2, the feeding end of the third - stage conveying chain 4 is located below the discharging end of the second - stage conveying chain 3. The rotation directions of the first - stage conveying chain 2, the second - stage conveying chain 3, and the third - stage conveying chain 4 are the same. The first - stage conveying chain 2 is drivingly connected to the second - stage conveying chain 3, and the second - stage conveying chain 3 is drivingly connected to the third - stage conveying chain 4;

[0038] The drive connection device provides operating power to the first - stage conveying chain 2, the second - stage conveying chain 3, and the third - stage conveying chain 4;

[0039] A first auxiliary roller 5 is provided above the first - stage conveying chain 2 on the frame 1, and the rotation direction of the first auxiliary roller 5 is opposite to that of the first - stage conveying chain 2;

[0040] A material - blocking plate 6 is provided behind the top end of the first - stage conveying chain 2 and above the top end of the second - stage conveying chain 3. A second auxiliary roller 7 and a third auxiliary roller 8 are provided in the area between the rear of the top end of the first - stage conveying chain 2, the front side of the material - blocking plate 6, and above the top end of the second - stage conveying chain 3. The rotation directions of the second auxiliary roller 7, the third auxiliary roller 8, and the first auxiliary roller 5 are the same;

[0041] A fourth auxiliary roller 9 is provided between the first - stage conveying chain 2 and the second - stage conveying chain 3 and below the second auxiliary roller 7 and the third auxiliary roller 8, and the rotation direction of the fourth auxiliary roller 9 is opposite to that of the first auxiliary roller 5;

[0042] The rotations of the first auxiliary roller 5, the second auxiliary roller 7, the third auxiliary roller 8, and the fourth auxiliary roller 9 are all controlled by the drive connection device;

[0043] The reverse rotation of the first auxiliary roller 5 of the present invention and the first - stage conveying chain 2 is beneficial to assisting the upward movement of materials on the first - stage conveying chain 2;

[0044] The material retaining plate 6 of the present invention can prevent the first-stage conveying chain 2 from flying over the second-stage conveying chain 3. The rotation directions of the second auxiliary roller 7 and the third auxiliary roller 8 are opposite to that of the first-stage conveying chain 2, and the fourth auxiliary roller 9 rotates in the same direction as the first-stage conveying chain 2. The second auxiliary roller 7, the third auxiliary roller 8, and the fourth auxiliary roller 9 assist the material to smoothly reach the second-stage conveying chain 3 from the first-stage conveying chain 2.

[0045] As Figure 4 and Figure 5 shown, the drive connection device includes a gearbox 10. The output end of the gearbox 10 includes a first output end 11 and a second output end 12. The first output end 11 is used to control the rotation of the first-stage conveying chain 2, the second-stage conveying chain 3, the third-stage conveying chain 4, and the fourth auxiliary roller 9, and the second output end 12 is used to control the rotation of the first auxiliary roller 5, the second auxiliary roller 7, and the third auxiliary roller 8.

[0046] As Figure 3 shown, the excavating device includes an excavating plate 13 that is inclined and installed at the bottom of the front end of the frame 1. The front end of the excavating plate 13 is provided with excavating teeth 14, and the rear end of the excavating plate 13 is provided with several transition U-shaped members 15. One end of the transition U-shaped member 15 away from the excavating plate 13 is located above the feeding end of the first-stage conveying chain 2.

[0047] As Figure 1 shown, the discharging device includes a temporary storage box 16 arranged at the tail end of the frame 1. The top side and the side close to the frame 1 of the temporary storage box 16 are open. The tail end of the frame 1 is provided with a baffle 17 that cooperates with the opening on the side of the temporary storage box 16. One end of the temporary storage box 16 close to the frame 1 at the top is hinged to the frame 1. A hydraulic cylinder 18 is arranged between the temporary storage box 16 and the frame 1. One end of the hydraulic cylinder 18 is hinged to the frame 1, and the other end is hinged to the temporary storage box 16. The hydraulic cylinder 18 controls the opening and closing of the temporary storage box 16 and the baffle 17.

[0048] As Figure 2 shown, the first-stage conveying chain 2, the second-stage conveying chain 3, and the third-stage conveying chain 4 each include two transmission rollers 19 and a mesh chain 20 sleeved on the transmission rollers 19. A number of sprockets 21 are arranged on each transmission roller 19. The mesh chain 20 includes a number of closed-loop chains 22 that are engaged with the sprockets 21 on the transmission rollers 19. Connecting rods 23 are arranged between adjacent chains 22, and a number of support rods 24 perpendicular to the axis of the connecting rod 23 are arranged on each connecting rod 23.

[0049] As Figure 5As shown, the frame 1 includes a front frame 101 and a rear frame 102. The rear frame 102 is arranged behind the front frame 101. The drive connection device, the excavation device, the first-stage conveyor chain 2, the second-stage conveyor chain 3, the first auxiliary roller 5, the second auxiliary roller 7, the third auxiliary roller 8, and the fourth auxiliary roller 9 are all installed on the front frame 101, and the third-stage conveyor chain 4 and the unloading device are installed on the rear frame 102.

[0050] One end of the rear frame 102 near the bottom of the front frame 101 is hinged to the front frame 101. On the outside of the frame 1, an angle adjustment plate 25 is provided between the front frame 101 and the rear frame 102. One end of the angle adjustment plate 25 is fixed to the front frame 101, and the other end is provided with an arc-shaped strip hole 26. A screw 27 passing through the arc-shaped strip hole 26 is provided on the rear frame 102 and is screwed with a nut 28. By adjusting the locking position of the screw 27 and the nut 28 on the arc-shaped strip hole 26, the inclination angle of the third-stage conveyor chain 4 is adjusted to meet the angle requirement of the third-stage conveyor chain. After the angle is adjusted, a gap will be generated between the front frame 101 and the rear frame 102, and additional plates can be added on the outside to cover the gap.

[0051] In the specific use of the present invention, a tractor is used to tow the device of the present invention and provide power. As Figure 6 shown, the present invention is transported to the field by an external device. The frame of the present invention is docked with the tail end of the tractor, the installation angle is adjusted, and the power output of the tractor is drivingly connected to the gearbox 10 by means of a universal coupling.

[0052] When the tractor moves forward, the excavation plate 13 of the excavation device excavates the soil and the roots of traditional Chinese medicine, transfers them to the first-stage conveyor chain 2, and sequentially passes through the second-stage conveyor chain 3 and the third-stage conveyor chain 4. During this process, screening is carried out to separate the soil from the roots. The roots of traditional Chinese medicine are finally transported into the temporary storage box 16. When the roots in the temporary storage box 16 reach a certain height after observation, the hydraulic cylinder 18 is started, and the temporary storage box 16 is separated from the baffle 17. The roots of traditional Chinese medicine in the temporary storage box 16 fall to the ground and can be collected.

[0053] The above describes the present invention and its implementation manners. This description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present invention, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and, without departing from the gist of the present invention, design similar structural manners and embodiments without creative efforts, they shall fall within the protection scope of the present invention.

Claims

1. Three-stage chain multifunctional medicinal material harvester, characterized by: It includes a frame, a driving connection device, a conveying device, a discharge device and an excavating device; The driving connection device is located at the front end top of the frame, the conveying device is located inside the frame, the digging device is located at the front end of the frame and below the driving connection device, the unloading device is located at the rear end of the frame, and the walking device is located at the bottom of the frame; The conveying device comprises a primary conveying chain, a secondary conveying chain and a tertiary conveying chain which are sequentially inclined in the frame, the primary conveying chain is inclined at the front end of the frame, the tertiary conveying chain is inclined at the rear end of the frame, the loading end of the secondary conveying chain is located below the unloading end of the primary conveying chain, the loading end of the tertiary conveying chain is located below the unloading end of the secondary conveying chain, the primary conveying chain, the secondary conveying chain and the tertiary conveying chain have the same rotation direction, the primary conveying chain is transmission-connected to the secondary conveying chain, and the secondary conveying chain is transmission-connected to the tertiary conveying chain; The driving connection device provides operating power to the primary conveying chain, the secondary conveying chain and the tertiary conveying chain.

2. The three-stage chain multifunctional medicinal material harvester according to claim 1 is characterized in that: A first auxiliary roller is provided on the frame above the primary conveying chain, and the rotation direction of the first auxiliary roller is opposite to the rotation direction of the primary conveying chain; A material blocking plate is provided behind the top of the primary conveyor chain and above the top of the secondary conveyor chain. A second auxiliary roller and a third auxiliary roller are provided in the area between the rear of the top of the primary conveyor chain, the front side of the material blocking plate and the top of the secondary conveyor chain. The second auxiliary roller and the third auxiliary roller have the same rotation direction as the first auxiliary roller. A fourth auxiliary roller is provided between the primary conveyor chain and the secondary conveyor chain and below the second auxiliary roller and the third auxiliary roller, and the rotation direction of the fourth auxiliary roller is opposite to that of the first auxiliary roller; The rotation of the first auxiliary roller, the second auxiliary roller, the third auxiliary roller and the fourth auxiliary roller are all controlled by the driving connection device.

3. The three-stage chain multifunctional medicinal material harvester according to claim 2 is characterized in that: The driving connection device includes a gearbox, and the output end of the gearbox includes a first output end and a second output end. The first output end is used to control the rotation of the primary conveying chain, the secondary conveying chain, the tertiary conveying chain and the fourth auxiliary roller, and the second output end is used to control the rotation of the first auxiliary roller, the second auxiliary roller and the third auxiliary roller.

4. The three-stage chain multifunctional medicinal material harvester according to claim 1 is characterized in that: The excavation device includes an excavation plate obliquely installed at the bottom of the front end of the frame, the front end of the excavation plate is provided with excavation teeth, the rear end of the excavation plate is provided with a plurality of transition U-shaped parts, and the end of the transition U-shaped parts away from the excavation plate is arranged above the feeding end of the primary conveying chain.

5. The three-stage chain multifunctional medicinal material harvester according to claim 1 is characterized in that: The unloading device includes a temporary storage box arranged at the rear end of the frame, the top side of the temporary storage box and one side close to the frame are open, the rear end of the frame is provided with a baffle that matches the opening on the side of the temporary storage box, the top of the temporary storage box is hinged to the frame at one end close to the frame, a hydraulic cylinder is provided between the temporary storage box and the frame, one end of the hydraulic cylinder is hinged to the frame, and the other end is hinged to the temporary storage box, and the hydraulic cylinder controls the opening and buckling of the temporary storage box and the baffle.

6. The three-stage chain multifunctional medicinal material harvester according to claim 3 is characterized in that: The primary conveyor chain, the secondary conveyor chain and the tertiary conveyor chain all include two drive rollers and a mesh chain mounted on the drive rollers, each drive roller is provided with a plurality of sprockets, the mesh chain includes a plurality of closed-loop chains closed to the sprockets on the drive rollers, connecting rods are provided between adjacent chains, and each connecting rod is provided with a plurality of supporting rods perpendicular to the axis of the connecting rod.

7. The automatic harvester for Chinese medicinal materials according to claim 2, characterized in that: The frame includes a front frame and a rear frame, the rear frame is arranged behind the front frame, the driving connection device, the excavating device, the primary conveying chain, the secondary conveying chain, the first auxiliary roller, the second auxiliary roller, the third auxiliary roller and the fourth auxiliary roller are all installed on the front frame, and the tertiary conveying chain and the unloading device are installed on the rear frame; The bottom end of the rear frame close to the front frame is hinged to the front frame, and an angle adjustment plate is provided on the outside of the frame between the front frame and the rear frame. One end of the angle adjustment plate is fixed to the front frame, and the other end is provided with an arc-shaped strip hole. The rear frame is provided with a screw that passes through the arc-shaped strip hole and is screwed with a nut.

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