Konjak harvesting device

Abstract

The utility model relates to the technical field of agricultural equipment, in particular to a konjak harvesting device which comprises a rack, a screening conveying mechanism, a transmission assembly and an adjusting wheel assembly, an excavator is arranged at the feeding end of the rack, and a hooking mechanism is arranged at the feeding end of the rack; the sieving and conveying mechanism can be rotationally wound on the rack, and the feeding end of the sieving and conveying mechanism is located behind the digger; the transmission assembly is installed on the machine frame and used for driving the screening and conveying mechanism to rotate in an output mode. The two sets of adjusting wheel assemblies are arranged on the two sides of the discharging end of the rack correspondingly, and the adjusting wheel assemblies can adjust the height of the discharging end of the rack relative to the ground. The konjak harvesting device can adapt to konjak harvesting work, crops of different soil depths can be harvested, and use convenience is improved.

Description

Technical Field

[0001] This utility model relates to the field of agricultural equipment technology, specifically to a konjac harvesting device. Background Technology

[0002] Currently, konjac cultivation is generally done manually, with harvesting and planting done in large quantities. Due to its long growth cycle, konjac is typically intercropped with other crops in large-scale cultivation in my country to increase income. The usable part of konjac generally refers to its underground rhizome, so harvesting usually relies on manual labor or large equipment for digging.

[0003] Currently, underground crops such as potatoes and peanuts are harvested. To achieve large-scale harvesting, a picking and digging structure with a chain rake is generally used, such as the patent CN112369182A - Potato Digging and Pneumatic Residual Film Recycling Integrated Machine. This patent improves potato recycling efficiency, increases the separation of potatoes and soil, and makes potato harvesting more thorough, reducing waste. However, potatoes are a semi-annual plant that prefers sandy soil and a thin topsoil layer, while konjac is a perennial plant with a larger root system and generally a deeper topsoil layer. This difference in planting method results in different root depths in the soil for the two crops, thus making harvesting more difficult. In this patent, the height of the traveling wheels relative to the frame is fixed, making it less likely for the entire frame to collide and rub against the loosened soil when harvesting shallow crops. However, when harvesting deep crops, the non-adjustable height of the traveling wheels makes the frame prone to colliding with the loosened soil, easily causing the frame to get stuck between itself and the soil. This not only easily damages the harvesting equipment but also increases the output horsepower of the power traction equipment, increasing fuel consumption. Furthermore, because of the stuck soil, the soil entering the conveying device cannot be discharged downwards, causing the entire harvesting device to malfunction. Therefore, existing harvesting equipment is difficult to adapt to the harvesting of these deep crops. Thus, a crop harvesting device that can adapt to konjac harvesting and improve its operational flexibility is needed to solve the above problems. Utility Model Content

[0004] In order to overcome one of the shortcomings of the existing technology, the purpose of this utility model is to provide a konjac harvesting device. This konjac harvesting device can be adapted to the harvesting of konjac and can also harvest crops at different soil depths, thus improving the convenience of use.

[0005] To solve the above problems, the technical solution adopted by this utility model is as follows:

[0006] A konjac harvesting device includes a frame, a screening and conveying mechanism, a transmission assembly, and an adjusting wheel assembly. An excavator is mounted on the feeding end of the frame, and a hook mechanism is also mounted on the feeding end of the frame. The screening and conveying mechanism is rotatably mounted around the frame, with the feeding end located behind the excavator. The transmission assembly is mounted on the frame and outputs power to drive the screening and conveying mechanism to rotate. Two sets of adjusting wheels are respectively located on both sides of the discharging end of the frame, and the adjusting wheel assembly can adjust the height of the discharging end of the frame relative to the ground.

[0007] Furthermore, the adjusting wheel assembly includes a mounting base, a lifting screw, and a roller rotatably mounted on the lower end of the lifting screw. The mounting base is installed at a corresponding position at the discharge end of the frame. The lifting screw is movably inserted into the mounting base. The mounting base is provided with a rotatable adjusting nut. The upper end of the lifting screw is threadedly connected to the adjusting nut.

[0008] Furthermore, the mounting base is provided with a locking element for locking the adjusting nut.

[0009] Furthermore, the lower end of the lifting screw is provided with a mounting lug, and the roller is mounted on the mounting lug via a rotating shaft.

[0010] Furthermore, the screening and conveying mechanism is provided in two sets, and the two sets of screening and conveying mechanisms are arranged sequentially; each set of screening and conveying mechanisms is inclined upward at one end along the discharge direction of the frame.

[0011] Furthermore, each set of the screening and conveying mechanism includes a chain rake, at least two rotating shafts rotatably mounted on the frame, and sprockets mounted on the rotating shafts. The chain rake is wound around the sprockets of the two outermost rotating shafts, and one end of any of the rotating shafts is connected to the output end of the transmission assembly.

[0012] Furthermore, the transmission assembly includes a universal joint and a steering gear. The universal joint is mounted on the input end of the steering gear, the steering gear is mounted on the frame, and the output end of the steering gear is connected to a drive shaft. The drive shaft is rotatably mounted on the frame, and one output end of the drive shaft is connected to the input end of the screening and conveying mechanism via a chain.

[0013] Furthermore, the frame is provided with support wheels for supporting the chain.

[0014] Furthermore, the frame includes a left mounting plate, a right mounting plate, and a connecting main beam. The left and right mounting plates are respectively mounted on both sides of the connecting main beam. The steering gear is mounted on the connecting main beam. The two ends of the drive shaft are rotatably mounted on the left and right mounting plates, respectively. The screening and conveying mechanism is wound around the area between the left and right mounting plates. Two sets of adjusting wheel assemblies are respectively mounted on the left and right mounting plates at the discharge end. The two ends of the excavator are respectively connected to the lower sides of the left and right mounting plates at the feed end. The hook mechanism is provided on the upper side of the left and right mounting plates at the feed end.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] This utility model discloses a konjac harvesting device. An excavator is installed at the feeding end of the frame to easily turn the konjac out of deep soil, facilitating the sieving and conveying mechanism to receive, sieve, and transport the konjac. This allows for easy pickup by external equipment or manual labor. Adjustable wheel assemblies are installed on both sides of the discharge end of the frame. These assemblies allow for adjustment of the height of the discharge end relative to the ground. This design allows the discharge end of the frame to be raised as a whole, reducing friction between the frame and the soil, minimizing frame wear, and ensuring that soil clods on the sieving and conveying mechanism are discharged downwards.

[0017] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0018] Figure 1 This is a top view of an embodiment of the present utility model;

[0019] Figure 2 This is a right view of an embodiment of the present utility model;

[0020] Figure 3 This is a partial structural schematic diagram of an embodiment of the present utility model;

[0021] Figure 4 This is a structural diagram of the adjusting wheel assembly in an embodiment of this utility model.

[0022] Explanation of icon numbers:

[0023] Frame 10, Excavator 11, Hook mechanism 12, Right mounting plate 13, Connecting main beam 14, Support wheel 15, Left mounting plate 16, Screening and conveying mechanism 20, Chain rake 21, Rotating shaft 22, Sprocket 23, Transmission assembly 30, Universal joint 31, Steering gear 32, Drive shaft 33, Adjusting wheel assembly 40, Mounting seat 41, Lifting screw 42, Roller 43, Adjusting nut 44, Locking part 45, Mounting lug 46. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.

[0025] Reference Figures 1 to 4 The konjac harvesting device shown includes a frame 10, a screening and conveying mechanism 20, a transmission assembly 30, and an adjusting wheel assembly 40. A digger 11 is mounted on the feeding end of the frame 10, and a hook mechanism 12 is also mounted on the feeding end of the frame 10. The screening and conveying mechanism 20 is rotatably mounted around the frame 10, with the feeding end located behind the digger 11. The transmission assembly 30 is mounted on the frame 10 and outputs power to drive the screening and conveying mechanism 20 to rotate. Two sets of adjusting wheels are provided on both sides of the discharging end of the frame 10, and the adjusting wheel assembly 40 can adjust the height of the discharging end of the frame 10 relative to the ground.

[0026] In this application, the excavator 11 is a downward-sloping shovel plate used to insert into the soil layer and, in conjunction with the movement of the frame 10, turn over the soil layer and the konjac roots within it. The screening and conveying mechanism 20 in this application is a structure composed of a conveyor chain cage, used to transport the turned soil and konjac roots together to the rear of the frame 10 in the direction of travel, facilitating the separation of the konjac roots from the soil clods. It should be noted that the entire harvesting device is hooked onto an external mobile device, such as a tractor. Therefore, the hooking mechanism 12 in this application is mainly for facilitating connection to the external mobile device. Thus, the hooking mechanism 12 in this application can be a conventional connecting rod structure or a universal traction structure, which will not be detailed here. It should be noted that there are two hooking mechanisms 12 in this application, respectively located on both sides of the frame 10.

[0027] This konjac harvesting device has an excavator 11 at the feeding end of the frame 10 to easily turn the konjac out of the deep soil, making it easier for the screening and conveying mechanism 20 to receive, screen, and transport the konjac. This facilitates pickup by external equipment or manual labor. Adjustable wheel assemblies 40 are installed on both sides of the discharge end of the frame 10. These assemblies allow for adjustment of the height of the discharge end of the frame 10 relative to the ground. This design allows the discharge end of the frame 10 to be raised as a whole, reducing friction between the frame 10 and the soil, minimizing wear, and ensuring that soil clods on the screening and conveying mechanism 20 are discharged downwards.

[0028] See Figure 1 , Figure 2 and Figure 4In one embodiment of this application, to facilitate adjustment of the height of the discharge end of the frame 10 and prevent it from getting stuck, the adjusting wheel assembly 40 includes a mounting base 41, a lifting screw 42, and a roller 43 rotatably mounted on the lower end of the lifting screw 42. The mounting base 41 is installed at the corresponding position of the discharge end of the frame 10. The lifting screw 42 is movably inserted into the mounting base 41, and the mounting base 41 is provided with a rotatable adjusting nut 44. The upper end of the lifting screw 42 is threadedly connected to the adjusting nut 44. The downward extension length of the lifting screw 42 can be adjusted by adjusting the adjusting nut 44, making operation simple and convenient. Furthermore, the adjusting nut 44 is installed on the top of the mounting base 41, and the mounting base 41 is provided with a through hole for fitting the lifting screw 42.

[0029] Furthermore, in order to prevent the adjusting nut 44 from rotating due to external force during use, in one embodiment of this application, the mounting base 41 is provided with a locking member 45 for locking the adjusting nut 44.

[0030] Furthermore, to facilitate the installation of the roller 43, in an improved embodiment of this application, the lower end of the lifting screw 42 is provided with a mounting ear 46, and the roller 43 is mounted on the mounting ear 46 via a rotating shaft 22. The mounting ear 46 is actually welded to the end of the lifting screw 42, which facilitates installation, and one end of the rotating shaft of the roller 43 is rotatably mounted on the mounting ear 46.

[0031] See Figures 1 to 2 In one embodiment of this application, the screening and conveying mechanism 20 is provided in two sets, and the two sets of screening and conveying mechanisms 20 are arranged sequentially; each set of screening and conveying mechanisms 20 is inclined upward along one end of the discharge direction of the frame 10. The design of the double-layer screening and conveying mechanism 20 is mainly to facilitate better separation of soil clods and konjac roots, and to effectively discharge the soil clods downward by utilizing the height difference.

[0032] In the above embodiments, to better separate the soil clods and konjac roots, in one embodiment of this application, each set of screening and conveying mechanisms 20 includes a chain rake 21, at least two rotating shafts 22 rotatably mounted on the frame 10, and sprockets 23 disposed on the rotating shafts 22. The chain rake 21 is wound around the sprockets 23 of the two outermost rotating shafts 22, and one end of any rotating shaft 22 is connected to the output end of the transmission assembly 30. The discharge end of the chain rake 21 on the previous screening and conveying mechanism 20 is located above the feed end of the chain rake 21 on the next screening and conveying mechanism 20.

[0033] In one embodiment of this application, for ease of transmission, the transmission assembly 30 includes a universal joint 31 and a steering gear 32. The universal joint 31 is mounted on the input end of the steering gear 32, and the steering gear 32 is mounted on the frame 10. The output end of the steering gear 32 is connected to a drive shaft 33, which is rotatably mounted on the frame 10. One output end of the drive shaft 33 is connected to the input end of the screening and conveying mechanism 20 via a chain 34. The steering gear 32 can be a traditional worm gear structure, which can also achieve vertical transmission, or a bevel gear design. This application prefers a worm gear design, which can convert the high-speed, low-torque force output by the external mobile device into a high-torque, low-speed driving force.

[0034] See Figures 1 to 3 To facilitate installation and fixation, in one embodiment of this application, the frame 10 includes a left mounting plate 16, a right mounting plate 13, and a connecting main beam 14. The left mounting plate 16 and the right mounting plate 13 are respectively mounted on both sides of the connecting main beam 14. The steering gear 32 is mounted on the connecting main beam 14. The two ends of the drive shaft 33 are rotatably mounted on the left mounting plate 16 and the right mounting plate 13, respectively. The screening and conveying mechanism 20 is wound around the area between the left mounting plate 16 and the right mounting plate 13. Two sets of adjusting wheel assemblies 40 are respectively mounted on the left mounting plate 16 and the right mounting plate 13 at the discharge end. The two ends of the excavator 11 are respectively connected to the lower side of the left mounting plate 16 and the right mounting plate 13 at the feed end. The hook mechanism 12 is provided on the upper side of the left mounting plate 16 and the right mounting plate 13 at the feed end.

[0035] See Figure 2 In one embodiment, to prevent the chain 34 from sagging, the frame 10 is provided with a support wheel 15 for supporting the chain 34. In fact, the pivot of the support wheel 15 can be slidably mounted on the left mounting plate 16 or the right mounting plate 13 and tightened by screws. This design allows the tension of the chain 34 to be adjusted through the support wheel 15.

[0036] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A konjac harvesting device, characterized in that, include The frame has an excavator installed at one end for feeding, and a hook mechanism is installed at the feeding end of the frame. A screening and conveying mechanism is rotatably mounted on the frame, with one end for feeding material located behind the excavator. Two sets of screening and conveying mechanisms are provided, arranged sequentially. Each set of screening and conveying mechanisms is inclined upwards at one end along the discharge direction of the frame. Each set of screening and conveying mechanisms includes a chain rake, at least two rotating shafts rotatably mounted on the frame, and sprockets mounted on the rotating shafts. The chain rake is wound around the sprockets of the two outermost rotating shafts. A transmission assembly, which is mounted on the frame and outputs a drive to rotate one end of any of the shafts; The adjusting wheel assembly has two sets, which are respectively located on both sides of the discharge end of the frame. The adjusting wheel assembly can adjust the height of the discharge end of the frame relative to the ground. The adjusting wheel assembly includes a mounting base, a lifting screw, and rollers rotatably mounted on the lower end of the lifting screw. The mounting base is installed at the corresponding position of the discharge end of the frame. The lifting screw is movably inserted into the mounting base. The mounting base is provided with a rotatable adjusting nut. The upper end of the lifting screw is threadedly connected to the adjusting nut.

2. The konjac harvesting device according to claim 1, characterized in that: The mounting base is provided with a locking element for locking the adjusting nut.

3. The konjac harvesting device according to claim 1, characterized in that: The lower end of the lifting screw is provided with a mounting lug, and the roller is mounted on the mounting lug via a rotating shaft.

4. A konjac harvesting device according to any one of claims 1-3, characterized in that: The transmission assembly includes a universal joint and a steering gear. The universal joint is mounted on the input end of the steering gear, which is mounted on the frame. The output end of the steering gear is connected to a drive shaft, which is rotatably mounted on the frame. One output end of the drive shaft is connected to the input end of the screening and conveying mechanism via a chain.

5. A konjac harvesting device according to claim 4, characterized in that: The frame is equipped with support wheels for supporting the chain.

6. A konjac harvesting device according to claim 4, characterized in that: The frame includes a left mounting plate, a right mounting plate, and a connecting main beam. The left and right mounting plates are respectively mounted on both sides of the connecting main beam. The steering gear is mounted on the connecting main beam. The two ends of the drive shaft are rotatably mounted on the left and right mounting plates, respectively. The screening and conveying mechanism is mounted around the area between the left and right mounting plates. Two sets of adjusting wheel assemblies are respectively mounted on the left and right mounting plates at the discharge end. The two ends of the excavator are respectively connected to the lower sides of the left and right mounting plates at the feed end. The hook mechanism is provided on the upper side of the left and right mounting plates at the feed end.

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