Asparagus fruit harvesting device
By designing an electric push-pull rod driven harvesting gripper device, asparagus fruits can be automatically harvested, solving the problem of time-consuming and labor-intensive manual harvesting, achieving efficient harvesting and reducing plant damage.
Patent Information
- Application Number
- CN202520058940.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-10
AI Technical Summary
Harvesting asparagus fruits manually after they ripen is labor-intensive, time-consuming, inefficient, and can easily damage the plants.
Design a harvesting gripper device that includes an electrically driven push-pull rod, which automatically harvests fruits through a gripping arm and claw structure, reducing damage to the plant.
It improves harvesting efficiency, reduces damage to plants, and lowers labor intensity.
Smart Images

Figure CN223745303U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a reed asparagus fruit harvesting device belongs to fruit harvesting technical field. BACKGROUND
[0002] Asparagus is a perennial herbaceous perennial herbaceous vegetable of asparagus family asparagus, and the edible part has very high nutritional and medicinal value. According to the color, it can be divided into white asparagus, green asparagus and purple asparagus. In recent years, with the increasing demand for asparagus, the planting area of asparagus in China is increasing. According to the database of the United Nations Food and Agriculture Organization, as of 2022, the planting area of asparagus in China reached 1455862 hectares, and the yield was 7683763 tons, ranking first in the world.
[0003] Asparagus is a dioecious plant, and the new tender stems begin to grow in April every year. The flowers begin to bloom and pollinate in May, and the fruits mature in September. The fruit of asparagus is a berry, spherical, 7-8mm in diameter, generally 10 stems per female plant, and the fruits are hung from bottom to top and from inside to outside on each stem. The amount of fruit per plant is related to the number of tender stems, flowering period and pollination. Under good pollination conditions, the fresh fruit weight of a single plant can reach about 5 kg. In addition, after concentrated pollination, asparagus will continue to grow new tender stems and new flowers, and the fruits will mature at different times.
[0004] At present, asparagus fruits are generally harvested manually after maturity. However, due to the dense growth of the plants, the large amount of fruit hanging, the inconsistent maturity, the labor-intensive fruit harvesting, the long working time, the large amount of work, the long duration, the difficulty in operation, the low efficiency, and the damage to the plants during the harvesting process, a large number of branches and stems are broken and the phyllodes are shed after harvesting, and the plants are prone to disease in the later period. UTILITY MODEL CONTENT
[0005] The utility model provides a kind of reed asparagus fruit harvesting device according to the deficiency in the background art, which can reduce labor intensity, improve harvesting efficiency and reduce damage to plants.
[0006] To solve the above technical problems, the utility model adopts the following technical solutions:
[0007] A reed asparagus fruit harvesting device includes two symmetrical collection grippers. The side end of the collection gripper is connected to the rotating shaft through two gripper arms arranged side by side. The rotating shaft is rotatably installed on one side of the fixed seat. An electric push-pull rod is fixedly installed on the other side of the fixed seat to drive the two collection grippers. The head of the electric push-pull rod is connected to the rotating shaft through a swing arm. A handle is provided on the main body of the electric push-pull rod.
[0008] Further, the collection gripper includes a plurality of claw teeth in semicircular structure. Adjacent claw teeth are arranged at equal intervals, and the interval between adjacent claw teeth is 5mm.
[0009] Further, the ends of the plurality of claws are fixedly connected through a connecting rod, and the two sides of the plurality of claws are respectively fixedly provided with baffles, and the claws and the two sides of the baffles form temporary storage spaces for asparagus fruits.
[0010] Further, the grab arm is a semicircular structure, and the semicircular opening direction of the grab arm is arranged in an opposite direction to the semicircular opening direction of the claw.
[0011] Further, one end of the grab arm is fixedly connected with the connecting rod, and the other end is fixedly connected with the rotating shaft.
[0012] Further, the two ends of the rotating shaft are respectively connected with the bearing seat and the fixed seat.
[0013] Further, one end of the swing arm is fixedly connected with the rotating shaft, and the other end of the swing arm is provided with a strip-shaped sliding hole, and a sliding column is arranged in the strip-shaped sliding hole; the sliding column is fixedly arranged on the head of the electric push-pull rod.
[0014] Further, a cable is arranged in the end of the handle away from the fixed seat, and the cable connects the electric push-pull rod with the mobile power supply.
[0015] The above technical scheme is adopted in the utility model, and compared with the prior art, the utility model has the following advantages:
[0016] The electric push-pull rod drives the swing arm to swing by moving the sliding column along the strip-shaped sliding hole in the telescopic process, and the swing arm drives the grab arm and the collection grab to act in sequence through the rotating shaft, and the two collection grabs collect the asparagus fruits on the stems by closing to each other, and the collected fruits enter the temporary storage spaces in the collection grabs;
[0017] The utility model automatically opens and closes the collection grab, and the collection efficiency is high, and the damage to the plants can be reduced in the picking process.
[0018] The utility model will be described in detail in combination with the drawings and examples. DRAWINGS
[0019] Figure 1 It is the structural schematic diagram of the utility model;
[0020] Figure 2 It is the installation schematic diagram of the grab.
[0021] In the drawing, 1 is a collection grab, 11 is a claw, 12 is a connecting rod, 13 is a baffle; 2 is a grab arm; 3 is a rotating shaft; 4 is a bearing seat; 5 is a fixed seat; 6 is a swing arm, 61 is a strip-shaped sliding hole; 7 is a sliding column; 8 is an electric push-pull rod; 9 is a handle. CONCRETE IMPLEMENTING METHOD
[0022] In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation mode of the utility model will be explained by referring to the drawings.
[0023] As Figure 1 and Figure 2 The utility model provides a kind of asparagus fruit harvesting device, including two mutually symmetrical collection gripper 1, and the side end of collection gripper 1 is fixedly connected with rotating shaft 3 by the two gripper arms 2 of side by side arrangement, rotating shaft 3 is rotatably installed at one side of fixed seat 5, and the other side of fixed seat 5 is fixedly installed with electric push-pull rod 8 for driving the action of two collection grippers 1.
[0024] The collection gripper 1 includes a plurality of claw teeth 11 of semicircular structure, adjacent claw teeth 11 are arranged at equal intervals, and the interval between adjacent claw teeth 11 is 5mm.
[0025] The end of the plurality of claw teeth 11 is fixedly connected by connecting rod 12, and the two sides of the plurality of claw teeth 11 are fixedly installed with baffle 13, respectively, and the claw tooth 11 and the two side baffles 13 form a temporary storage space for asparagus fruits. In the mutual closing process of the two collection grippers 1, the fruits on asparagus stems are collected, and the collected fruits enter the temporary storage space.
[0026] The gripper arm 2 is of semicircular structure, and the semicircular opening direction of the gripper arm 2 is arranged in opposite direction to the semicircular opening direction of the claw tooth 11.
[0027] One end of the gripper arm 2 is fixedly connected with the connecting rod 12, and the other end is fixedly connected with the rotating shaft 3.
[0028] The two ends of the rotating shaft 3 are connected with the fixed seat 5 through the bearing seat 4, respectively.
[0029] The head of the electric push-pull rod 8 is transmissionally connected with the rotating shaft 3 through swing arm 6, one end of the swing arm 6 is fixedly connected with the rotating shaft 3, and the other end of the swing arm 6 is provided with a strip-shaped sliding hole 61, and a sliding column 7 is installed in the strip-shaped sliding hole 61; the sliding column 7 is fixedly installed on the head of the electric push-pull rod 8, and in the process of stretching and retracting, the electric push-pull rod 8 moves the sliding column 7 along the strip-shaped sliding hole 61, and further drives the swing arm 6 to rotate by a certain angle.
[0030] A handle 9 is sleeved on the main body of the electric push-pull rod 8 to facilitate the transfer of the overall structure. A cable is arranged in the end of the handle 9 away from the fixed seat 5, and the cable connects the electric push-pull rod 8 with a mobile power supply, and the mobile power supply supplies power to the electric push-pull rod 8.
[0031] The specific working principle of the utility model:
[0032] When harvesting, the mobile power supply supplies power to the electric push-pull rod 8 to perform the telescopic action, the electric push-pull rod 8 moves the slide post 7 along the strip-shaped slide hole 61 in the telescopic process, and further drives the swing arm 6 to swing, the swing arm 6 drives the gripper arm 2 and the collection gripper 1 to act in sequence through the rotating shaft 3, the two collection grippers 1 collect the fruits on the asparagus stems in the process of mutual closing, and the collected fruits enter the temporary storage space in the collection gripper 1.
[0033] The utility model discloses through control collection gripper 1 automatic opening and closing, and the collection efficiency is high, and can reduce the damage to the plant in the picking process.
[0034] The above is the example of the best implementation mode of the utility model, wherein the part not described in detail is the common knowledge of the ordinary skilled in the art. The protection scope of the utility model is accurate to the content of the claims, and any equivalent transformation based on the technical inspiration of the utility model is also within the protection scope of the utility model.
Claims
1. A device for harvesting asparagus fruit, characterized in that: The device comprises two symmetrical collecting grippers (1), the side ends of the collecting grippers (1) are fixedly connected with the rotating shaft (3) through two gripper arms (2) arranged side by side, the rotating shaft (3) is rotatably installed on one side of the fixed base (5), the other side of the fixed base (5) is fixedly installed with an electric push-pull rod (8) for driving the actions of the two collecting grippers (1), the head of the electric push-pull rod (8) is in transmission connection with the rotating shaft (3) through a swing arm (6), and a handle (9) is sleeved on the main body of the electric push-pull rod (8).
2. A device for harvesting asparagus fruits as claimed in claim 1, characterized in that: The collecting gripper (1) comprises a plurality of claw teeth (11) in semicircular structure, the adjacent claw teeth (11) are arranged at equal intervals, and the interval between the adjacent claw teeth (11) is 5mm.
3. A device for harvesting asparagus fruits as claimed in claim 2, characterized in that: The ends of the plurality of claw teeth (11) are fixedly connected through a connecting rod (12), the two sides of the plurality of claw teeth (11) are fixedly installed with baffle plates (13), respectively, and the claw teeth (11) and the two baffle plates (13) form a temporary storage space for asparagus fruits.
4. A device for harvesting asparagus fruits as claimed in claim 3, characterized in that: The gripper arm (2) is in semicircular structure, and the semicircular opening direction of the gripper arm (2) is arranged in the opposite direction of the semicircular opening direction of the claw tooth (11).
5. A device for harvesting asparagus fruits as claimed in claim 4, characterized in that: One end of the gripper arm (2) is fixedly connected with the connecting rod (12), and the other end is fixedly connected with the rotating shaft (3).
6. A device for harvesting asparagus fruits as claimed in claim 1, characterized in that: The two ends of the rotating shaft (3) are connected with the fixed base (5) through bearing seats (4), respectively.
7. A device for harvesting asparagus fruits as claimed in claim 1, characterized in that: One end of the swing arm (6) is fixedly connected with the rotating shaft (3), and the other end of the swing arm (6) is provided with a strip-shaped sliding hole (61), and a sliding column (7) is installed in the strip-shaped sliding hole (61); the sliding column (7) is fixedly installed on the head of the electric push-pull rod (8).
8. A device for harvesting asparagus fruits as claimed in claim 1, characterized in that: The end of the handle (9) away from the fixed base (5) is provided with a cable, and the cable is connected with the electric push-pull rod (8) and the mobile power supply.