Novel blueberry automatic picking and grading vehicle

By designing an automated blueberry picking and grading vehicle, the entire process of blueberry picking, sorting, and collection has been automated, solving the problems of low efficiency and fruit damage in traditional manual picking, and improving picking efficiency and quality.

CN224250253UActive Publication Date: 2026-05-19XINJIANG UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
XINJIANG UNIVERSITY
Filing Date
2025-05-08
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

Traditional blueberry harvesting relies on manual labor, which is inefficient and costly, and mechanized harvesting makes it difficult to protect the integrity of the fruit.

Method used

Design an automated blueberry picking and grading vehicle that includes a picking roller, a conveyor, a sorting device, and a collection device. The vehicle will be driven by a motor to automate the entire process of picking, sorting, and collecting, and the fruit will be graded using a multi-layer sieve.

Benefits of technology

The entire process of blueberry picking, sorting, and collection has been automated, improving efficiency, reducing labor intensity, minimizing fruit damage, and ensuring harvest quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a novel automatic blueberry picking and grading vehicle, which comprises a shell, a chassis, a power device, a picking device, a conveying device, a classifying device and a collecting device, four wheels are fixed at the bottom of the shell, a motor is used for providing power, a bearing seat is fixed on the shell, and the picking device, the conveying device and the classifying device are fixed on the bearing seat. The picking device is connected with the belt pulley of the adjacent conveying device through a belt, the conveying device is connected with the belt pulley of the motor through a belt, and the classifying device is connected with the cam through a connecting rod. The picking device utilizes a picking roller to pick blueberries, the conveying device conveys the picked blueberries to the classifying device for blueberry size screening, and finally the classifying device and the conveying device classify the blueberries with different sizes and put the blueberries into different collecting boxes in the classifying device, so that the problems that traditional manual picking is low in efficiency and high in efficiency are solved. The labor intensity is high; the fruit damage rate is high.
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Description

Technical Field

[0001] This utility model relates to the field of blueberry picking, and in particular to a new type of automated blueberry picking and grading vehicle. Background Technology

[0002] With the rapid development of my country's blueberry industry, both the planting area and yield of blueberries have shown a steady upward trend. However, traditional blueberry harvesting methods mainly rely on manual labor, which is not only inefficient and difficult to guarantee in terms of harvest quality, but also costly. Furthermore, the delicate nature of blueberries, the complexity of their growing environment, and the unique characteristics of the fruit make the development of harvesting machines quite challenging. Therefore, introducing advanced machinery and automation technology to improve harvesting efficiency, reduce harvesting costs, minimize fruit damage, and enhance blueberry quality has become an urgent problem to be solved in the blueberry industry. Summary of the Invention

[0003] The purpose of this invention is to solve the problems existing in the prior art. The technical solution adopted is: a novel automated blueberry picking and grading vehicle, comprising a shell, chassis, power unit, picking device, conveying device, sorting device, and collecting device. The shell includes partitions, and the chassis includes wheels and wheel seats. The picking device, conveying device, and sorting device are fixed to the shell and partitions by their respective bearing seats. The power unit includes a motor and a motor pulley, and the motor is fixed to the chassis to provide power to the picking device, conveying device, and sorting device. After picking blueberries, the picking rollers convey them to the sorting device via the conveying device, and then the collecting device completes the final storage and collection.

[0004] Preferably, the picking device includes a picking roller, a fork lever, a belt, and a pulley. The picking roller is fixedly connected to the front end of the outer casing. The fork lever is fixed between the picking roller and the conveying device to separate the blueberries picked on the picking roller and drop them onto the conveying device for transmission. A pulley is fixed at the end of the picking roller and is connected to the pulley of the adjacent conveying device through the belt to drive the roller to rotate for blueberry picking.

[0005] Preferably, the conveying device includes a front conveyor belt and a rear conveyor belt. The front conveyor belt is fixed between the picking drum and the sorting device and is used for the primary conveying of blueberries, conveying the blueberries picked by the picking drum to the sorting box for blueberry size sorting. The rear conveyor belt is used for the secondary conveying of blueberries and is fixed above the collection box. It is used for the secondary conveying of larger blueberries sorted by the top layer of the sorting device to the collection box. The front conveyor belt includes a front conveyor pulley fixed at the end of the front conveyor belt shaft and connected to the motor pulley via the front conveyor belt. The rear conveyor belt includes a rear conveyor pulley fixed at the end of the rear conveyor belt shaft and connected to the motor pulley via the rear conveyor belt.

[0006] Preferably, the sorting device includes a sorting box composed of three layers of screens: a top screen, a middle screen, and a bottom screen. The top screen, with the largest aperture, sorts blueberries that pass through it. These blueberries are then transported to the end of the collection box via a two-stage transfer process. From top to bottom, the apertures of the screens gradually decrease, allowing blueberries of different sizes to be sorted into different compartments within the collection box, thus completing the blueberry size sorting. Each of the top, middle, and bottom screens has a different aperture size, with diameters of 20mm, 15mm, and 10mm respectively. The top screen, with its largest aperture, is used to sort blueberries with a diameter of 20mm or more. The middle screen sorts blueberries with a diameter between 15mm and 20mm, and the bottom screen sorts blueberries with a diameter of less than 15mm.

[0007] Preferably, the power unit comprises a motor, pulleys, and belts. The transmission method of the whole machine is that the motor directly drives the front and rear transmission pulleys of the transmission device, and then the front and rear pulleys provide power to other devices. The picking roller is powered by the front transmission pulley, and the screening box is powered by the rear transmission pulley.

[0008] Preferably, the collection device includes a collection box, collection box partitions, collection box handle, and positioning block. The collection box partitions are located inside the collection box to separate blueberries of different sizes. The collection box handle is located outside the collection box. When the box is full, the handle is pulled out to pack the blueberries. After packing, the handle is put back into the machine. The positioning block is fixed on the chassis to restrict the movement of the collection box.

[0009] Compared with the prior art, this utility model has the following advantages and effects:

[0010] (1) The novel automated blueberry picking and grading vehicle described in this utility model realizes full automation of the picking, screening, classification and collection process, and solves the problems of high labor intensity and low picking efficiency in traditional manual picking.

[0011] (2) This utility model picks blueberries by rotating the picking drum. Compared with traditional picking, the drum picking is less likely to damage the blueberries. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the internal structure of a blueberry picking machine.

[0013] Figure 2 for Figure 1 Isometric side view.

[0014] Figure 3 for Figure 2 Front view.

[0015] Figure 4 for Figure 2 The bottom front view.

[0016] Figure 5 for Figure 3 A sectional view of section AA.

[0017] Figure 6 for Figure 3 BB section directional sectional view.

[0018] In the diagram: 1. Outer shell, 2. Chassis, 3. Power unit, 4. Harvesting device, 5. Conveying device, 6. Sorting device, 7. Collecting device, 11. Partition, 12. Left side plate, 13. Right side plate, 14. Top plate, 21. Bottom plate, 22. Wheel bracket, 23. Wheel, 31. Motor, 32. Motor pulley, 41. Harvesting roller, 42. Shifting fork, 43. Roller pulley, 44. Roller belt, 45. Roller bearing housing, 51. Front conveyor belt, 511. Front conveyor belt shaft, 5 12. Front conveyor belt bearing housing; 513. Front conveyor belt pulley; 514. Front conveyor belt; 52. Rear conveyor belt; 521. Rear conveyor belt shaft; 522. Rear conveyor belt bearing housing; 523. Rear conveyor belt pulley; 524. Rear conveyor belt; 61. Screening box; 62. Screen; 63. Screening box bracket; 64. Screening box connecting rod; 65. Screening box cam; 66. Screening box belt; 71. Collection box; 72. Collection box partition; 73. Collection box handle; 74. Positioning block. Detailed Implementation

[0019] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the following description is provided in conjunction with specific embodiments.

[0020] like Figures 1 to 6 As shown, the present invention discloses a novel automated blueberry picking and grading vehicle, comprising a shell 1, a chassis 2, a power unit 3, a picking device 4, a conveying device 5, a sorting device 6, and a collecting device 7. The shell 1 includes a partition 11, a left side plate 12, a right side plate 13, and a top plate 14. The chassis 2 includes a bottom plate 21, a wheel bracket 22, and wheels 23. The picking device 4, the conveying device 5, and the sorting device 6 are fixed to the shell 1 and the partition 11 by their respective bearing seats. The power unit 3 includes a motor 31 and a motor pulley 32. The motor 31 is fixed to the bottom plate 21 and provides power to the picking device 4, the conveying device 5, and the sorting device 6.

[0021] like Figure 1 , Figure 2 and Figure 6As shown, in this embodiment, the picking device 4 includes a picking roller 41, a fork lever 42, a roller pulley 43, a roller belt 44, and a roller bearing seat 45. The two ends of the picking roller 41 are fixed to the outer shell 1 by the roller bearing seat 45. The fork lever 42 is fixed between the picking roller 41 and the conveying device 5. The roller pulley 43 is connected to the picking roller 41 and the roller belt 44. The roller belt 44 is connected to its adjacent transmission pulley, transmitting power to the picking roller 41 to make it rotate and pick blueberries.

[0022] like Figure 1 , Figure 2 and Figure 5 As shown, in this embodiment, the conveying device 5 includes a front conveyor belt 51 and a rear conveyor belt 52. The front conveyor belt 51 is used for the primary conveying of blueberries, conveying the blueberries picked by the picking roller 41 to the sorting box for blueberry size sorting. The rear conveyor belt 52 is used for the secondary conveying of blueberries, conveying the large blueberries sorted out by the top layer of the sorting device 6 to the collection box 71.

[0023] like Figure 3 , Figure 5 and Figure 6 As shown, in this embodiment, the front conveyor belt 51 includes a front conveyor belt shaft 511, a front conveyor belt bearing seat 512, a front conveyor belt pulley 513, and a front conveyor belt 514. The front conveyor belt 51 is connected to the front conveyor belt shaft 511 and fixed to the machine body through the front conveyor belt bearing seat 512. The front conveyor belt pulley 513 is connected to the end of the front conveyor belt shaft 511, transmitting power to the conveyor belt for the primary transport of blueberries to the sorting device 6. The rear conveyor belt 52 includes a rear conveyor belt shaft 521, a rear conveyor belt bearing seat 522, a rear conveyor belt pulley 523, and a rear conveyor belt 524. The rear conveyor belt 52 is connected to the rear conveyor belt shaft 521 and fixed to the machine body through the rear conveyor belt bearing seat 522. The rear conveyor belt pulley 523 connects the rear conveyor belt 52 and the rear conveyor belt 524, transmitting power to the conveyor belt for the secondary transport of blueberries to the collection box 71.

[0024] like Figure 1 , Figure 4 , Figure 5 and Figure 6As shown, in this embodiment, the sorting device 6 includes a screening box 61, a screen 62, a screening box support 63, a screening box connecting rod 64, a screening box cam 65, and a screening box belt 66. The top of the screening box support 63 is hinged to the bottom of the screening box 61, and the bottom of the screening box support 63 is fixed on the partition plate 11. The screening box connecting rod 64 connects the screening box 61 and the screening box cam 65. The screening box belt 66 is connected to the screening box cam 65 and the rear conveyor belt pulley 523. The above allows the screening box 61 to shake repeatedly to screen blueberries. The screening box 61 has a three-layer screen structure: a top screen, a middle screen, and a bottom screen. The mesh size of each screen is different. Blueberries of different sizes are screened by the screen 62 and then conveyed to the collection box 71 by the belt.

[0025] like Figure 1 and Figure 5 As shown, in this embodiment, the collection device 7 includes a collection box 71, a collection box partition 72, a collection box handle 73, and a positioning block 74. There are two collection box partitions 72 located inside the collection box 71 to separate blueberries of different sizes. The collection box handle 73 is located outside the collection box 71. When the collection box is full, the handle is pulled out to pack the blueberries. After packing, the blueberries are put back into the machine. The positioning block 74 is fixed on the chassis 2 to restrict the movement of the collection box 71.

[0026] The usage process of this invention embodiment is as follows: The power of the whole machine comes from the motor 31. The transmission method is that the motor 31 directly drives the front conveyor pulley 513 and the rear conveyor pulley 523 of the conveyor device through the belt 514 and belt 524. The picking roller 43 is powered by the front conveyor pulley 513, and the screening box 61 is powered by the rear conveyor pulley 523. In the lowbush blueberry field, the picking roller 41 picks the blueberries from the blueberry branches by rotating and places them on the roller's curved rod. Then, they are peeled off by the fork rod 42 and fall onto the front conveyor belt 51. Through the primary transport of the front conveyor belt 51, they fall into the screening box 61. Blueberries of different sizes are sorted by size through the screen 62. The screen 62 shakes repeatedly under the action of the screening box cam 65. Since the screen has a three-layer screen structure, the top screen, the middle screen and the bottom screen, the size of the holes in each screen is different. The top screen has the largest hole and is used to screen blueberries with a diameter of 20mm or more. Blueberries with a diameter of 20mm or more fall to the end of the collection box 71 through the rear belt. Blueberries with a diameter of 15mm-20mm screened by the middle screen fall to the middle of the collection box 71. Blueberries with a diameter of less than 15mm screened by the bottom screen fall directly to the front of the lower collection box 71. Inside the collection box 71, there is a partition 72 to separate blueberries of different sizes. Finally, after the collection box is full, the collection box is pulled out and packaged directly using the handle 73.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the scope of the claims should be included within the protection scope of the present utility model.

Claims

1. A new type of blueberry automated picking and grading vehicle, characterized in that: The device includes an outer shell (1), a chassis (2), a power unit (3), a picking device (4), a conveying device (5), a sorting device (6), and a collection device (7). The chassis (2) includes a base plate (21), a wheel bracket (22), and wheels (23). The sorting device (6) includes a screening box (61). The picking device (4), the conveying device (5), and the sorting device (6) are fixed to the outer shell (1) by their respective bearing seats. The power unit (3) includes a motor (31) and a motor pulley (32). The motor (31) is fixed to the base plate (21) to provide power to the picking device (4), the conveying device (5), and the sorting device (6).

2. A novel automatic picking and grading vehicle for blueberries as claimed in claim 1, wherein: The picking device (4) includes a picking roller (41), a fork rod (42), a roller pulley (43), a roller belt (44), and a roller bearing seat (45). The two ends of the picking roller (41) are fixed to the machine body by the roller bearing seat (45). The fork rod (42) is fixed between the picking roller (41) and the conveying device (5). The roller pulley (43) is connected to the picking roller (41) and the roller belt (44). The roller belt (44) is connected to its adjacent transmission pulley, which transmits power to the picking roller (41) to make it rotate and pick blueberries.

3. A novel automatic picking and grading vehicle for blueberries as claimed in claim 1, wherein: The conveying device (5) includes a front conveyor belt (51) and a rear conveyor belt (52). The front conveyor belt (51) is used for the primary conveying of blueberries, which transports the blueberries picked by the picking roller (41) to the sorting box for blueberry size sorting. The rear conveyor belt (52) is used for the secondary conveying of blueberries, which transports the large blueberries sorted out by the top layer of the sorting device (6) to the collection box (71).

4. A novel automatic picking and grading vehicle for blueberries as claimed in claim 3, wherein: The front conveyor belt (51) includes a front conveyor belt shaft (511), a front conveyor belt bearing seat (512), a front conveyor belt pulley (513), and a front conveyor belt (514). The front conveyor belt (51) is connected to the front conveyor belt shaft (511) and is fixed to the machine body via the front conveyor belt bearing seat (512). The front conveyor belt pulley (513) is fixed to the end of the front conveyor belt shaft (511) and transmits power to the conveyor belt for the primary transport of blueberries to the sorting device (6). The rear... The conveyor belt (52) includes a rear conveyor belt shaft (521), a rear conveyor belt bearing seat (522), a rear conveyor belt pulley (523), and a rear conveyor belt (524). The rear conveyor belt (52) is connected to the rear conveyor belt shaft (521) and is fixed to the machine body through the rear conveyor belt bearing seat (522). The rear conveyor belt pulley (523) connects the rear conveyor belt (52) and the rear conveyor belt (524) to transmit power to the conveyor belt for secondary transmission of blueberries to the collection box (71).

5. A novel automatic picking and grading vehicle for blueberries as claimed in claim 1, wherein: The sorting device (6) includes a screening box (61), a screen (62), a screening box support (63), a screening box connecting rod (64), a screening box cam (65), and a screening box belt (66). The top of the screening box support (63) is hinged to the bottom of the screening box (61), and the bottom of the screening box support (63) is fixed to the outer shell (1). The screening box connecting rod (64) connects the screening box (61) and the screening box cam (65). The screening box belt (66) is connected to the screening box cam (65) and the rear transmission pulley (523). The above allows the screening box (61) to... The blueberries are repeatedly shaken to sort them. The sorting box (61) sorts the blueberries by size through the screen (62). It has a three-layer screen structure: top screen, middle screen and bottom screen. The size of the holes in each screen is different. The top screen has the largest hole and is used to sort blueberries with a diameter of more than 20mm. They are transported to the end of the collection box (71) by the rear belt. Blueberries with a diameter of 15mm-20mm sorted by the middle screen fall into the middle of the collection box (71). Blueberries with a diameter of less than 15mm sorted by the bottom screen fall directly into the front of the collection box (71).

6. A new type of blueberry automatic picking and grading vehicle according to claim 1, characterized in that: The collection device (7) includes a collection box (71), a collection box partition (72), a collection box handle (73), and a positioning block (74). The collection box partition (72) is located inside the collection box (71) to separate blueberries of different sizes. The collection box handle (73) is located outside the collection box (71). When the collection box is full, the handle is pulled out to pack the blueberries. After packing, the blueberries are put back into the machine. The positioning block (74) is fixed on the chassis (2) to restrict the movement of the collection box (71).