Combined harvesting and screening machine for sweet potatoes
The sweet potato combined harvester and screening machine, which integrates a digging shovel, screening components, and a shaking component, solves the problems of low harvesting efficiency and secondary screening in traditional sweet potato harvesting, and achieves efficient and low-cost sweet potato harvesting and screening.
Patent Information
- Application Number
- CN202423255304.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-28
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-28
AI Technical Summary
Traditional sweet potato harvesting methods rely on manual digging and sorting, which is inefficient and labor-intensive. Existing machinery can only perform the digging function and requires secondary screening to remove soil and impurities, which increases complexity and time costs.
Design a sweet potato combined harvester and screening machine that integrates a digging shovel, screening components, and a shaking component to achieve integrated digging, conveying, and screening of sweet potatoes. Through the coordinated work of the screening chain and the shaking component, the machine ensures that the sweet potatoes are evenly distributed and that impurities are effectively removed.
It improved the efficiency and quality of sweet potato harvesting, reduced labor intensity, ensured the integrity and quality of sweet potatoes, simplified the operation process, and reduced time costs.
Smart Images
Figure CN223584769U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to sweet potato harvesting equipment technical field, especially to a kind of sweet potato combined harvesting screening machine. BACKGROUND
[0002] Sweet potato is an important crop, and its planting is widespread and has high economic value. Traditional harvesting methods rely mainly on manual digging and sorting, which is inefficient and labor-intensive. In recent years, although some sweet potato harvesting machines have appeared on the market, these machines can only complete the digging function, and the dug sweet potatoes still need to be screened again to remove soil and impurities, which increases the complexity and time cost of harvesting.
[0003] Therefore, it is of great significance to develop a combined harvesting screening machine that can complete the functions of sweet potato digging and screening simultaneously to improve the efficiency and quality of sweet potato harvesting. CONTENT OF THE UTILITY MODEL
[0004] The utility model mainly aims at the above-mentioned problems existing in the prior art, and provides a kind of sweet potato combined harvesting screening machine, which can complete the digging, conveying and screening of sweet potato at one time, improve the harvesting efficiency, reduce the labor intensity, and ensure the screening quality of sweet potato.
[0005] The main purpose of the utility model is achieved through the following scheme:
[0006] A kind of sweet potato combined harvesting screening machine, including rack, the rack includes two symmetrical support plates, the front end of the rack is provided with downwardly inclined digging shovel, and the front end upper surface of the rack is installed with the traction frame connected with traction equipment, the rear end of the rack is rotatably connected with walking wheel on left and right sides;Screening assembly is installed in the rack, the screening assembly includes screening chain, and the screening chain is driven to operate by first drive assembly;The rack is also installed with the shaking assembly for shaking screening chain, and the shaking assembly is driven to operate by second drive assembly connected with first drive assembly.
[0007] As a preferred, the screening chain includes two symmetrical edge belts, and multiple screening rods are connected between the two edge belts, and the distance between adjacent screening rods is equal.
[0008] Preferably, the first driving assembly comprises a driving motor, a first sprocket, a second sprocket, a first chain, a first lever wheel and a second lever wheel, the driving motor is mounted on the frame, and the output end of the driving motor is fixedly sleeved with the first sprocket, the first lever wheel and the second lever wheel are both provided with two, the two first lever wheels are rotatably connected to the front end of the frame through a first rotating shaft, the two second lever wheels are rotatably connected to the rear end of the frame through a second rotating shaft, one end of the second rotating shaft is fixedly sleeved with the second sprocket after penetrating through the side wall of the support plate, and the first sprocket and the second sprocket are connected through the first chain.
[0009] Preferably, the edges of the first lever wheel and the second lever wheel are both provided with a row of lever grooves matched with the screening rods, and the screening chain is circularly rotated by the lever grooves.
[0010] Preferably, the shaking assembly comprises two oval-shaped shaking wheels arranged in front and back, and the two shaking wheels are rotatably connected to the middle part of the frame through a third rotating shaft.
[0011] Preferably, the second driving assembly comprises a third sprocket, a fourth sprocket and a second chain, one end of the second rotating shaft is fixedly sleeved with the third sprocket after penetrating through the side wall of the support plate, one end of the third rotating shaft is fixedly sleeved with the fourth sprocket after penetrating through the side wall of the support plate, and the third sprocket and the fourth sprocket are connected through the second chain.
[0012] Preferably, the height of the second lever wheel is higher than that of the first lever wheel.
[0013] Preferably, the outer sides of the first chain and the second chain are both covered with protective covers.
[0014] Compared with the prior art, the utility model has the following beneficial technical effects:
[0015] (1) The utility model discloses a digging shovel, a screening assembly and a shaking assembly, which realize the integration of the digging, conveying and screening of sweet potatoes, and significantly improve the efficiency and quality of sweet potato harvesting.
[0016] (2) The design of the screening chain enables the uniform distribution of sweet potatoes during the screening process, effectively removes soil and impurities, and improves the screening effect.
[0017] (3) The shaking assembly enhances the shaking effect of the screening chain, effectively removes the impurities such as soil and stones on the surface of the sweet potatoes, improves the screening effect and efficiency, reduces the damage to the sweet potatoes, ensures the integrity and quality of the sweet potatoes, and is beneficial to the storage and sale of the sweet potatoes. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1Is a structure schematic view of the utility model;
[0019] Figure 2 Is a side view of the utility model;
[0020] Figure 3 Is a plan view of the utility model;
[0021] Figure 4 Is a structure schematic view of the first driving assembly and the second driving assembly in the utility model.
[0022] Reference signs: 1 - frame, 2 - support plate, 3 - excavating shovel, 4 - traction frame, 5 - traveling wheel, 6 - edge belt, 7 - screening rod, 8 - driving motor, 9 - first sprocket, 10 - second sprocket, 11 - first chain, 12 - first lever wheel, 13 - second lever wheel, 14 - first rotating shaft, 15 - second rotating shaft, 16 - lever slot, 17 - shaking wheel, 18 - third rotating shaft, 19 - third sprocket, 20 - fourth sprocket, 21 - second chain, 22 - protective cover. DETAILED DESCRIPTION
[0023] The technical scheme of the utility model will be further specifically explained below by specific embodiments and in conjunction with the drawings. It should be understood that the implementation of the utility model is not limited to the following embodiments, and any form of variation and / or change made to the utility model will fall within the scope of protection of the utility model.
[0024] Example 1:
[0025] As Figure 1 , 2 , 3, the utility model discloses a technical scheme, a sweet potato combined harvesting screening machine, comprising a frame 1, the frame 1 is composed of two symmetrical support plates 2, the front end of the frame 1 is welded or bolted between the two support plates 2 and has a downwardly inclined excavating shovel 3, which facilitates insertion into the soil to excavate sweet potatoes, and the upper surface of the front end of the frame 1 is welded with a traction frame 4 connected with a traction device, which can drive the machine forward through the traction device, and the structure stability of the frame 1 is realized through the traction frame 4, and the rear end of the frame 1 is rotatably connected with traveling wheels 5 on the left and right sides through U-shaped supports and rotating shafts, ensuring the movement of the machine in the field.
[0026] The frame 1 is provided with a screening assembly, which is composed of screening chains, and the screening chains are driven to operate by a first driving assembly. Specifically, the screening chains include two symmetrical edge belts 6, and a plurality of screening rods 7 are fixedly installed between the two edge belts 6 by bolts, and the distance between adjacent screening rods 7 is equal. Through such a structure, when the sweet potatoes and impurities move on the screening rods 7, the smaller impurities can fall through the gaps between the screening rods 7.
[0027] The shaker 1 is further provided with a shaking assembly for shaking the screening chain, and the shaking assembly is driven to operate by a second driving assembly connected with the first driving assembly. Specifically, the shaking assembly is composed of two oval shaking wheels 17, which are rotatably connected to the middle part of the shaker 1 by a third rotating shaft 18. The two shaking wheels 17 are fixedly sleeved on the two sides of the third rotating shaft 18, and the two ends of the third rotating shaft 18 are rotatably connected to the shaker 1 by bearings. During the screening process, the rotation of the shaking wheels 17 can make the screening chain shake, further improving the screening effect, and preventing sweet potatoes and impurities from being blocked on the screening rods 7.
[0028] Embodiment 2:
[0029] As shown in Figure 1 , 4 Another technical scheme is disclosed in the utility model, and the difference between the sweet potato combined harvesting and screening machine and the embodiment 1 lies in that the first driving assembly is composed of a driving motor 8, a first sprocket 9, a second sprocket 10, a first chain 11, a first lever wheel 12 and a second lever wheel 13. The driving motor 8 is fixedly installed on the upper surface of the traction frame 4 by bolts, and the output end of the driving motor 8 is fixedly sleeved with the first sprocket 9. The first lever wheel 12 and the second lever wheel 13 are both provided with two, and the two first lever wheels 12 are rotatably connected to the front end of the shaker 1 by a first rotating shaft 14. The two second lever wheels 13 are rotatably connected to the rear end of the shaker 1 by a second rotating shaft 15. That is, the two first lever wheels 12 are fixedly sleeved on the two sides of the first rotating shaft 14, the two ends of the first rotating shaft 14 are rotatably connected to the shaker 1 by bearings, the two second lever wheels 13 are fixedly sleeved on the two sides of the second rotating shaft 15, and the two ends of the second rotating shaft 15 are rotatably connected to the shaker 1 by bearings.
[0030] Specifically, the front end of the second rotating shaft 15 is fixedly sleeved with the second sprocket 10 after penetrating through the side wall of the front support plate 2, and the first sprocket 9 and the second sprocket 10 are connected by the first chain 11. The edges of the first lever wheel 12 and the second lever wheel 13 are both provided with a ring of lever grooves 16 used in cooperation with the screening rods 7. The screening chain is driven to rotate circularly by the lever grooves 16, so as to realize the conveying and screening of sweet potatoes on the screening chain.
[0031] Specifically, the second driving assembly is composed of a third sprocket 19, a fourth sprocket 20 and a second chain 21. The rear end of the second rotating shaft 15 is fixedly sleeved with the third sprocket 19 after penetrating through the side wall of the rear support plate 2. The rear end of the third rotating shaft 18 is fixedly sleeved with the fourth sprocket 20 after penetrating through the side wall of the rear support plate 2. The third sprocket 19 and the fourth sprocket 20 are connected by the second chain 21, so as to realize the linkage of the first driving assembly and the shaking assembly.
[0032] Specifically, the height of the second lever wheel 13 is higher than that of the first lever wheel 12, so that the screening chain forms a certain inclination angle, thereby avoiding the sweet potatoes and impurities from moving too fast on the screening chain and affecting the screening effect.
[0033] Specifically, the outer sides of the first chain 11 and the second chain 21 are covered with protective covers 22, which are welded or bolted to the side walls of the support plate 2, so as to prevent the chains from being disturbed by external impurities during operation and improve the stability of the equipment operation.
[0034] The sweet potato combined harvesting and screening machine provided by the utility model is used, and the sweet potato combined harvesting and screening machine is connected with a traction device through the traction frame 4, and the traction device can be agricultural machinery such as a tractor; the traction device is started, the harvesting and screening machine is moved in the sweet potato planting area, the digging shovel 3 is inserted into the soil, the sweet potatoes and the surrounding soil are dug out together and sent to the screening chain; the driving motor 8 is started, the second rotating shaft 15 is driven to rotate through the first sprocket 9, the first chain 11 and the second sprocket 10, the second lever wheel 13 drives the screening chain to rotate circularly through the lever groove 16, meanwhile, the first lever wheel 12 and the first rotating shaft 14 rotate under the action of the screening chain, the sweet potatoes move on the screening chain with the chain, in the movement process, smaller impurities such as soil and stones fall from the gaps between the screening rods 7; meanwhile, the third rotating shaft 18 is driven to rotate through the third sprocket 19, the second chain 21 and the fourth sprocket 20, so that the elliptical shaking wheel 17 rotates, the shaking wheel 17 makes the screening chain shake, further promotes the screening of impurities, makes the sweet potatoes roll on the screening chain continuously, and ensures that impurities on each surface can be screened out; the screened sweet potatoes are conveyed to the rear end of the machine with the movement of the screening chain, a collecting device (such as a collecting frame, a collecting bag or the like) can be arranged at the rear end to collect the sweet potatoes, and the combined harvesting and screening operation of the sweet potatoes is completed.
[0035] The sweet potato combined harvesting and screening machine provided by the utility model realizes the integration of digging, conveying and screening of sweet potatoes through the synergistic effect of the digging shovel, the screening assembly and the shaking assembly, and the efficiency and quality of sweet potato harvesting are significantly improved; through the design of the screening chain, the sweet potatoes can be uniformly distributed in the screening process, the soil and impurities are effectively removed, and the screening effect is improved; through the arrangement of the shaking assembly, the shaking effect of the screening chain is enhanced, the impurities such as soil and stones on the surface of the sweet potatoes can be effectively removed, the screening effect and efficiency are improved, the damage to the sweet potatoes is reduced, the integrity and quality of the sweet potatoes are ensured, and the storage and sales of the sweet potatoes are facilitated.
[0036] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.
Claims
1. A sweet potato combined harvesting and screening machine, comprising a frame (1), the frame (1) comprising two symmetrical support plates (2) on the left and right sides, characterized in that: The front end of the frame (1) is provided with a downwardly inclined excavating shovel (3), and the upper surface of the front end of the frame (1) is provided with a traction frame (4) connected with a traction device, and the left and right sides of the rear end of the frame (1) are rotatably connected with traveling wheels (5); a screening assembly is installed in the frame (1), the screening assembly comprises a screening chain, and the screening chain is driven to operate by a first driving assembly; a shaking assembly for shaking the screening chain is further installed on the frame (1), and the shaking assembly is driven to operate by a second driving assembly connected with the first driving assembly.
2. The sweet potato combine harvester according to claim 1, characterized in that: The screening chain comprises two symmetrical edge belts (6), and a plurality of screening rods (7) are connected between the two edge belts (6), and the distance between adjacent screening rods (7) is equal.
3. The sweet potato combine harvester according to claim 2, characterized in that: The first driving assembly comprises a driving motor (8), a first sprocket (9), a second sprocket (10), a first chain (11), a first lever wheel (12) and a second lever wheel (13), the driving motor (8) is installed on the traction frame (4), and the output end of the driving motor (8) is fixedly sleeved with the first sprocket (9), the first lever wheel (12) and the second lever wheel (13) are both provided with two, the two first lever wheels (12) are rotatably connected to the front end of the frame (1) through a first rotating shaft (14), the two second lever wheels (13) are rotatably connected to the rear end of the frame (1) through a second rotating shaft (15), one end of the second rotating shaft (15) penetrates through the side wall of the support plate (2) and is fixedly sleeved with the second sprocket (10), and the first sprocket (9) and the second sprocket (10) are connected through the first chain (11).
4. The sweet potato combine harvester according to claim 3, characterized in that: The edges of the first lever wheel (12) and the second lever wheel (13) are both provided with a circle of lever grooves (16) matched with the screening rods (7), and the screening chain is driven to rotate circularly through the lever grooves (16).
5. The sweet potato combine harvester according to claim 4, characterized in that: The shaking assembly comprises two oval shaking wheels (17), and the two shaking wheels (17) are rotatably connected to the middle part of the frame (1) through a third rotating shaft (18).
6. The sweet potato combine harvester according to claim 5, characterized in that: The second driving assembly comprises a third sprocket (19), a fourth sprocket (20) and a second chain (21), one end of the second rotating shaft (15) away from the second sprocket (10) penetrates through the side wall of the support plate (2) and is fixedly sleeved with the third sprocket (19), one end of the third rotating shaft (18) penetrates through the side wall of the support plate (2) and is fixedly sleeved with the fourth sprocket (20), and the third sprocket (19) and the fourth sprocket (20) are connected through the second chain (21).
7. The sweet potato combine harvester according to claim 6, characterized in that: The height of the second lever wheel (13) is higher than the height of the first lever wheel (12).
8. The sweet potato combine harvester according to claim 7, characterized in that: The outer sides of the first chain (11) and the second chain (21) are both covered with a protective cover (22).