Chinese yam harvester

Abstract

The utility model discloses a Chinese yam harvester, which relates to the technical field of Chinese yam harvesting and comprises a tractor body, a positioning component is arranged on one side of the tractor body, and a ditching component and a cleaning and harvesting component are arranged on one side of the positioning component. The positioning assembly comprises a mounting frame fixedly mounted at the top of the tractor body and a positioning frame rotationally connected to one side of the tractor body through a rotating shaft, a hydraulic rod is rotationally connected to the interior of the mounting frame through the rotating shaft, and one end of the hydraulic rod is rotationally connected with one side of the positioning frame through the rotating shaft; the ditching assembly comprises motors fixedly installed on the two sides of the installation frame. The Chinese yam harvester disclosed by the utility model is provided with the ditching assembly and the cleaning and harvesting assembly, dug Chinese yams can be conveyed to the roller conveying belt in the use process, soil on the surfaces of the Chinese yams can be cleaned in the subsequent conveying process, the Chinese yams are convenient to harvest and clean, the cleanliness of the Chinese yams during harvesting is improved, and the harvesting efficiency of the Chinese yams is improved. Meanwhile, the Chinese yam is prevented from being damaged.

Description

Technical Field

[0001] This utility model relates to the field of yam harvesting technology, and in particular to a yam harvesting machine. Background Technology

[0002] Yam, also known as Dioscorea opposita, is a plant belonging to the genus Dioscorea in the family Dioscoreaceae. It is a twining herbaceous vine with long cylindrical tubers that grow vertically. The stems are usually purplish-red, dextral, and hairless. The leaves are simple, alternate at the base of the stem, and opposite above the middle. The male inflorescence is a spike-like inflorescence, 2-8 cm long, nearly erect, with 2-8 flowers growing in the leaf axils. The capsules are not reflexed, and the seeds are located in the middle of the central axis of each locule. It flowers from June to September and fruits from July to November. Harvesting yams requires the use of machinery.

[0003] Patent document CN118511720A discloses an integrated yam harvester, including a vehicle body. The front end of the vehicle body is connected via a cylinder to a double-chain ditching mechanism for soil excavation. A yam conveying mechanism for picking up yams is located at the front end of the vehicle body, between the two chains of the ditching mechanism. A soil-cleaning device for removing soil from the surface of the yams is located inside the vehicle body, at the output end of the soil-cleaning mechanism. The soil-cleaning device includes a clamping mechanism and a vibration mechanism arranged vertically. A bundling mechanism for binding yams is located at the rear end of the vehicle body, at the discharge end of the soil-cleaning device. This invention achieves integrated yam harvesting with a high degree of integration and a small overall machine size, making it suitable for use by ordinary small farmers.

[0004] While the aforementioned application allows for integrated harvesting, in practice, it is inconvenient to quickly separate the soil and yam, affecting the harvesting and cleaning of yam, reducing the cleanliness of yam harvesting, and also causing damage to yam. Utility Model Content

[0005] This utility model discloses a yam harvesting machine, which aims to solve the technical problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A yam harvester includes a tractor body, a positioning component on one side of the tractor body, and a trenching component and a harvesting component on the other side of the positioning component.

[0008] The positioning assembly includes a mounting bracket fixedly installed on the top of the tractor body and a positioning frame rotatably connected to one side of the tractor body via a pivot. A hydraulic rod is rotatably connected inside the mounting bracket via a pivot, and one end of the hydraulic rod is rotatably connected to one side of the positioning frame via a pivot.

[0009] With the positioning components and hydraulic push rods, the tilt angles of the trenching and harvesting components can be adjusted during use, making it easier to fit the yams to the ground when harvesting, which facilitates subsequent cleaning operations and improves the ease of use of the harvester.

[0010] The trenching assembly includes a motor fixedly mounted on both sides of the mounting frame. The output shaft of the motor is fixedly mounted with a drive sprocket. A guide plate is fixedly mounted inside the mounting frame. One end of the guide plate is rotatably connected to a driven sprocket via a rotating shaft. The drive sprocket and the driven sprocket are connected by a chain.

[0011] The collection component includes a hydraulic push rod rotatably connected to a positioning frame via a rotating shaft. One end of the hydraulic push rod is rotatably connected to a roller conveyor belt via the rotating shaft. Support plates are fixedly installed on both sides of the bottom of the roller conveyor belt. Rotating rods are inserted into the support plates, and rolling wheels are fixedly installed at both ends of the rotating rods.

[0012] With the addition of trenching and cleaning components, the dug-up yams can be fed onto a roller conveyor belt during use. The soil on the surface of the yams can then be cleaned during the transport process, making it easier to harvest and clean the yams. This improves the cleanliness of the yams during harvesting and also prevents damage to the yams.

[0013] In a preferred embodiment, a soil-turning plate is fixedly installed on the surface of the chain, and the soil-turning plate is arc-shaped.

[0014] The soil-turning plate facilitates soil excavation during use, thus making subsequent yam harvesting easier.

[0015] In a preferred embodiment, a receiving groove is fixedly installed at one end of the roller conveyor belt, and a guide groove is connected to one side of the receiving groove, with the guide groove being set in an inclined state.

[0016] The guide plate groove and receiving groove are designed to facilitate the collection and guidance of yams during use, making it easier for staff to pick up the yams.

[0017] In a preferred embodiment, a limit ring is fixedly mounted on the surface of the rotating rod, and one side of the limit ring is rotatably connected to one side of the support plate.

[0018] By setting a limit ring, the rotating rod can be easily limited during use, preventing the rolling wheel on the rotating rod from shaking during movement.

[0019] In a preferred embodiment, the support plate has a rod hole for the rotating rod to pass through, and the inner wall of the rod hole is rotatably connected to the surface of the rotating rod, and one side of the rolling wheel does not contact one side of the support plate.

[0020] The designed rod hole facilitates the rotation of the rotating rod during use, preventing it from getting stuck while walking.

[0021] In a preferred embodiment, a triangular plate is fixedly installed on one side of the bottom of the roller conveyor belt, and the triangular plate is located between two guide plates.

[0022] The triangular plate makes it easy to shovel the soil between the two trenches during use, and also makes it easy to shovel the yams in the soil, thus facilitating the yam harvesting process.

[0023] In a preferred embodiment, a protective strip is fixedly installed on the surface of the conveyor rollers of the roller conveyor belt. The protective strip is made of rubber, and the surface of the protective strip has anti-slip texture. A gap is provided between the conveyor rollers.

[0024] The protective strips prevent the yams from coming into contact with the metal on the roller conveyor belt during use, thus reducing damage to the yams.

[0025] As can be seen from the above, the yam harvesting machine provided by this utility model has the following technical effects.

[0026] Firstly, the trenching and cleaning components allow the dug-up yams to be fed onto a roller conveyor belt during use. The soil on the surface of the yams is then cleaned during transport, facilitating harvesting and cleaning, improving the cleanliness of the yams during harvesting, and preventing damage to the yams.

[0027] Secondly, the positioning components and hydraulic push rods allow for adjustment of the tilt angles of the trenching and harvesting components during use, making it easier to align the yams with the ground during harvesting and facilitating subsequent cleaning operations, thus improving the ease of use of the harvester. Attached Figure Description

[0028] Figure 1 This is a first-view three-dimensional structural diagram of a yam harvester proposed in this utility model.

[0029] Figure 2 This is a second-view three-dimensional structural diagram of a yam harvester proposed in this utility model.

[0030] Figure 3 This is a third-view three-dimensional structural diagram of a yam harvester proposed in this utility model.

[0031] Figure 4 This utility model proposes a yam harvesting machine. Figure 3 Enlarged schematic diagram of the structure at point A in the middle.

[0032] Figure 5 This utility model proposes a yam harvesting machine. Figure 2 Enlarged structural diagram of section B.

[0033] In the attached diagram: 1. Tractor body; 2. Positioning assembly; 200. Mounting bracket; 201. Positioning frame; 202. Hydraulic rod; 3. Trenching assembly; 300. Motor; 301. Drive sprocket; 302. Guide plate; 303. Driven sprocket; 304. Chain; 305. Tillage plate; 4. Cleaning assembly; 400. Hydraulic push rod; 401. Roller conveyor belt; 402. Support plate; 403. Rotating rod; 404. Rolling wheel; 405. Receiving groove; 406. Guide plate groove; 407. Limiting ring; 408. Triangular plate. Detailed Implementation

[0034] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0035] Reference Figures 1-5 A yam harvester includes a tractor body 1, a positioning component 2 on one side of the tractor body 1, and a trenching component 3 and a harvesting component 4 on one side of the positioning component 2.

[0036] The positioning assembly 2 includes a mounting bracket 200 fixedly installed on the top of the tractor body 1 and a positioning frame 201 rotatably connected to one side of the tractor body 1 via a rotating shaft. A hydraulic rod 202 is rotatably connected inside the mounting bracket 200 via a rotating shaft, and one end of the hydraulic rod 202 is rotatably connected to one side of the positioning frame 201 via a rotating shaft.

[0037] With the positioning component 2 and hydraulic push rod 400, the tilt angle of the trenching component 3 and the harvesting component 4 can be adjusted during use, so that the yam can be easily attached to the ground when harvesting, making subsequent cleaning operations more convenient and improving the ease of use of the harvester.

[0038] The trenching component 3 includes a motor 300 fixedly installed on both sides of the mounting frame 200. The output shaft of the motor 300 is fixedly installed with a drive sprocket 301. A guide plate 302 is fixedly installed inside the mounting frame 200. One end of the guide plate 302 is rotatably connected to a driven sprocket 303 via a rotating shaft. The drive sprocket 301 and the driven sprocket 303 are connected by a chain 304. A soil turning plate 305 is fixedly installed on the surface of the chain 304. The soil turning plate 305 is arc-shaped. The soil turning plate 305 facilitates the excavation of soil during use, thereby facilitating the subsequent harvesting of yams.

[0039] The collection component 4 includes a hydraulic push rod 400 rotatably connected to the positioning frame 201 via a rotating shaft. One end of the hydraulic push rod 400 is rotatably connected to a roller conveyor belt 401 via the rotating shaft. Support plates 402 are fixedly installed on both sides of the bottom of the roller conveyor belt 401. A rotating rod 403 is inserted into the support plate 402, and a rolling wheel 404 is fixedly installed at both ends of the rotating rod 403. The trenching component 3 and the collection component 4 are configured to transport the dug-up yams onto the roller conveyor belt 401 during use, and then clean the soil off the surface of the yams during the transport process. This design facilitates the harvesting and cleaning of yams, improving cleanliness during harvesting and preventing damage. One end of the roller conveyor belt 401 is fixedly equipped with a receiving groove 405, and one side of the receiving groove 405 is connected to a guide groove 406. The guide groove 406 is set in an inclined state. The guide groove 406 and the receiving groove 405 facilitate the collection and guidance of yams during use, making it easier for workers to pick them up. A limit ring 407 is fixedly installed on the surface of the rotating rod 403, and one side of the limit ring 407 is rotatably connected to one side of the support plate 402. A limiting ring 407 is provided to facilitate the limiting of the rotating rod 403 during use, preventing the rolling wheel 404 on the rotating rod 403 from shaking during movement. A rod hole is provided on the support plate 402 for the rotating rod 403 to pass through, and the inner wall of the rod hole is rotatably connected to the surface of the rotating rod 403. One side of the rolling wheel 404 does not contact one side of the support plate 402. The rod hole facilitates the rotation of the rotating rod 403 during use and prevents the rotating rod 403 from getting stuck during movement. The bottom side of the roller conveyor belt 401 is fixed. A triangular plate 408 is installed between two guide plates 302. The triangular plate 408 facilitates the shoveling of soil between the two trenches and the yam in the soil, making the yam harvesting operation easier. Protective strips are fixedly installed on the surface of the conveyor rollers of the roller conveyor belt 401. The protective strips are made of rubber and have anti-slip textures on their surface. There are gaps between the conveyor rollers. The protective strips prevent the yam from coming into contact with the metal on the roller conveyor belt 401 during use, reducing damage to the yam.

[0040] Working principle: During use, the tractor body 1 is operated to move, and then the hydraulic rod 202 and hydraulic push rod 400 are controlled to adjust the contact between the trenching component 3 and the collection component 4 and the ground. Then, the motor 300 and the roller conveyor belt 401 are controlled to work. During the movement of the tractor body 1, the dug yams are brought into the triangular plate 408. Then, when the yams pass through the roller conveyor belt 401, the soil falls off, and the yams enter the interior of the guide plate groove 406 from the receiving groove 405, thus completing the yam collection operation.

[0041] The above description is merely a preferred embodiment of this utility model, but the protection scope of this utility model is not limited thereto. The substitutions may be replacements of some structures, devices, or method steps, or they may be complete technical solutions. Equivalent substitutions or modifications made based on the technical solution and inventive concept of this utility model should all be covered within the protection scope of this utility model.

Claims

1. A yam harvesting machine comprising a tractor body (1), characterized in that, One side of the tractor body (1) is provided with a positioning assembly (2), one side of the positioning assembly (2) is provided with a ditching assembly (3) and a cleaning assembly (4); The positioning assembly (2) comprises a mounting frame (200) fixedly installed on the top of the tractor body (1) and a positioning frame (201) rotatably connected on one side of the tractor body (1) through a rotating shaft, the inside of the mounting frame (200) is rotatably connected with a hydraulic rod (202) through a rotating shaft, one end of the hydraulic rod (202) is rotatably connected with one side of the positioning frame (201) through a rotating shaft; The ditching assembly (3) comprises a motor (300) fixedly installed on both sides of the mounting frame (200), the output shaft of the motor (300) is fixedly installed with a driving sprocket (301), the inside of the mounting frame (200) is fixedly installed with a guide plate (302), one end of the guide plate (302) is rotatably connected with a driven sprocket (303) through a rotating shaft, the driving sprocket (301) and the driven sprocket (303) are connected through a chain (304); The cleaning assembly (4) comprises a hydraulic push rod (400) rotatably connected on the positioning frame (201) through a rotating shaft, one end of the hydraulic push rod (400) is rotatably connected with a roller conveyor belt (401) through a rotating shaft, the bottom of the roller conveyor belt (401) is fixedly installed with a supporting plate (402) on both sides, a rotating rod (403) is inserted on the supporting plate (402), the both ends of the rotating rod (403) are fixedly installed with a rolling wheel (404).

2. The Chinese yam harvesting machine according to claim 1, wherein The surface of the chain (304) is fixedly installed with a soil turning plate (305), the soil turning plate (305) is arc-shaped.

3. The Chinese yam harvesting machine of claim 1, wherein One end of the roller conveyor belt (401) is fixedly installed with a receiving groove (405), one side of the receiving groove (405) is communicated with a guide plate groove (406), the guide plate groove (406) is arranged in an inclined state.

4. The Chinese yam harvesting machine of claim 1, wherein The surface of the rotating rod (403) is fixedly installed with a limiting ring (407), one side of the limiting ring (407) is rotatably connected with one side of the supporting plate (402).

5. The Chinese yam harvesting machine of claim 1, wherein The supporting plate (402) is provided with a rod hole through which the rotating rod (403) passes, and the inner wall of the rod hole is rotatably connected with the surface of the rotating rod (403), one side of the rolling wheel (404) is not in contact with one side of the supporting plate (402).

6. The Chinese yam harvesting machine of claim 1, wherein One side of the bottom of the roller conveyor belt (401) is fixedly installed with a triangular plate (408), the triangular plate (408) is located between the two guide plates (302).

7. The Chinese yam harvesting machine of claim 1, wherein The surface of the conveying roller of the roller conveyor belt (401) is fixedly installed with a protective strip, the protective strip is made of rubber, the surface of the protective strip is provided with anti-skid lines, and gaps are arranged between the conveying rollers.

Images