Harvesting system for top stems and leaves of bunge auriculate roots planted in greenhouse

By designing the stem and leaf harvesting system in the greenhouse, the mechanized harvesting of the stem and leaf of Polygonum multiflorum is achieved using climbing frames and harvesting mechanisms, solving the problem of time-consuming, labor-intensive and unsafe manual harvesting, and improving safety and efficiency.

CN223110550UActive Publication Date: 2025-07-18SHANDONG UNIV OF TRADITIONAL CHINESE MEDICINE
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Patent Information

Application Number
CN202422408476.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-08
Publication Date
2025-07-18
Estimated Expiration
2034-10-08

AI Technical Summary

Technical Problem

Manually harvesting Polygonum multiflorum stems, leaves, flowers and fruits on the top of the climbing frame are time-consuming and laborious, and are unsafe, and there is a risk of falling injuries.

Method used

A system including a stem and leaf harvesting mechanism and a climbing frame is designed. The climbing frame is arranged on the greenhouse aisle. The harvesting mechanism moves along the aisle direction and cuts the stem and leaves through fixed and movable blade plates. It combines with the conveyor belt assembly to achieve automatic harvesting, and uses mechanical equipment to complete the cutting and collection of stems and leaves.

Benefits of technology

Mechanized harvesting is achieved, time and effort is saved, safety is improved, the danger of manual climbing operations is avoided, and collection efficiency is improved.

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Abstract

The utility model provides a top stem and leaf harvesting system for bunge auriculate root planted in a greenhouse, which can solve the technical problem that manual harvesting of bunge auriculate root stems, leaves, flowers and fruits on the top of a climbing frame wastes time and labor and is unsafe. Comprising a stem and leaf harvesting mechanism and a stem and leaf climbing frame. The stem and leaf climbing frame is arranged on an aisle between two adjacent radix cynanchi bungei planting areas in the greenhouse and extends and is distributed in the front-back direction of the aisle, and the cross section of the stem and leaf climbing frame is of a door-shaped structure; the stem and leaf harvesting mechanism is arranged at the top of the stem and leaf climbing frame, can move along the passage in the front-back direction and harvests stems and leaves at the top of the stem and leaf climbing frame; the stem and leaf harvesting mechanism comprises an equipment shell, a fixed cutter plate transversely distributed left and right is arranged in the equipment shell, a movable cutter plate capable of reciprocating left and right is slidably connected to the fixed cutter plate, a plurality of cutter teeth are evenly distributed at the front end of the movable cutter plate and the front end of the fixed cutter plate, a discharging port is formed in one side of the equipment shell, and the discharging port is communicated with a discharging pipeline.
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Description

Technical Field

[0001] The utility model relates to the technology of cultivating Cynanchum bungei Decne. in greenhouse, in particular to a harvesting system for the top stems and leaves of Cynanchum bungei Decne. cultivated in greenhouse. Background Art

[0002] Cynanchum bungei Decne. is a plant of the genus Cynanchum in the family Asclepiadaceae, and its former names include: Polygonum multiflorum Thunb. var. thomsonii (Mig.) Hoo & Tsai, Cynanchum bungei Decne., Cynanchum auriculatum Royle ex Wight, Cynanchum wilfordii (Maxim.) Hemsl., etc. The tuberous roots of Cynanchum bungei Decne. have a long history of medicinal and edible use. The tuberous roots of its congeners Cynanchum auriculatum Royle ex Wight and Cynanchum wilfordii (Maxim.) Hemsl. are the other two sources of Cynanchum bungei Decne., but they are not the genuine products of Cynanchum bungei Decne. (see the Chinese Pharmacopoeia, 1977 edition). During the growth process of the genuine product of Cynanchum bungei Decne., when its main root encounters hard soil, it will accelerate the formation of swollen tuberous roots, and this tuberous root is Cynanchum bungei Decne.

[0003] With the application of greenhouse technology, Cynanchum bungei Decne. is now cultivated in greenhouse. During the growth process of Cynanchum bungei Decne., its stems and leaves will extend very long, and it is often necessary to set up climbing frames in the greenhouse for the stems and leaves of Cynanchum bungei Decne. to climb and grow. The whole plant of Cynanchum bungei Decne. is non-toxic. Except for the tuberous roots in the soil which are medicinal materials, its stems, leaves, flowers and fruits also have medicinal and edible values. Therefore, people will harvest the stems, leaves, flowers and fruits of Cynanchum bungei Decne. in summer and autumn, and harvest the tuberous roots after autumn. Summer is the peak growth season of the above-ground part of Cynanchum bungei Decne. We can harvest the stems, leaves, flowers and fruits of Cynanchum bungei Decne. at high places and process them for utilization, making food-grade health drinks, which have the effects of calming the nerves, nourishing the stomach, protecting the liver and reducing lipid. Moreover, this treatment method can reduce the excessive consumption of nutrients caused by the flowering and fruiting of Cynanchum bungei Decne., and is beneficial to the swelling and yield increase of tuberous roots. Since the climbing frame is 2.5 - 3m high, when harvesting the stems, leaves, flowers and fruits at high places, people need to step on ladders to carry out the harvesting operation, which is quite time-consuming and laborious, and the harvesting personnel are prone to the risk of falling and getting injured. Content of the Utility Model

[0004] The utility model provides a harvesting system for the top stems and leaves of Cynanchum bungei Decne. cultivated in greenhouse, which can solve the technical problems that it is time-consuming, laborious and unsafe to manually harvest the stems, leaves, flowers and fruits of Cynanchum bungei Decne. at the top of the climbing frame.

[0005] The utility model is realized through the following technical solutions:

[0006] A harvesting system for the top stems and leaves of Cynanchum bungei Decne. cultivated in greenhouse includes a stem and leaf harvesting mechanism and a stem and leaf climbing frame;

[0007] The stem and leaf climbing frame is arranged on the aisle between two adjacent Cynanchum bungei Decne. planting areas in the greenhouse and extends along the front-back direction of the aisle, and the cross-section of the stem and leaf climbing frame is a portal structure;

[0008] The stem and leaf harvesting mechanism is arranged on the top of the stem and leaf climbing frame and can move along the front-back direction of the aisle to harvest the stems and leaves on the top of the stem and leaf climbing frame;

[0009] The stem and leaf harvesting mechanism includes a device housing. Inside the device housing, there is a fixed knife plate distributed horizontally from left to right. A moving knife plate that can reciprocate left and right is slidably connected to the fixed knife plate. A plurality of knife teeth are evenly distributed at the front ends of the moving knife plate and the fixed knife plate. There is a discharge port on one side of the device housing, and the discharge port is communicated with a discharge pipeline.

[0010] Further, inside the device housing, there is a conveyor belt assembly located behind the stem and leaf harvesting mechanism. The conveyor belt assembly includes a driving wheel, a driven wheel, and a conveyor belt distributed horizontally from left to right. Both ends of the conveyor belt are assembled on the driving wheel and the driven wheel, and the driving wheel is controlled to rotate by a driving motor;

[0011] When the conveyor belt operates, it can convey the stems and leaves on its surface to the position of the discharge port.

[0012] Further, the knife teeth are triangular blades. A slider is fixed on the top surface of the fixed knife plate, and a chute that cooperates with the slider for sliding is fixed on the bottom surface of the moving knife plate.

[0013] Further, a turntable is rotatably connected to one side inside the device housing through an eccentric shaft. The lower end of the eccentric shaft is rotatably connected to the bottom of the device housing, and the upper end is connected to a reduction motor;

[0014] There is an annular groove on the turntable. One end of the moving knife plate close to the turntable is provided with a downward slide bar, and the end of the slide bar is fitted in the annular groove.

[0015] Further, a frame-shaped frame is fixed to the top of the stem and leaf climbing frame through a support rod. First slide rails are respectively provided on the left and right sides of the frame-shaped frame. A transmission screw rod is rotatably connected to the front and rear sides of the frame-shaped frame, and the rear end of the transmission screw rod is connected to a first driving motor;

[0016] A moving frame is fixed above the device housing through a connecting plate. First sliders that are slidably connected to the first slide rails are provided on the bottom sides of the left and right ends of the moving frame. An internally threaded sleeve that is threadedly connected to the transmission screw rod is provided at the middle position of the moving frame.

[0017] Further, the stem and leaf climbing frame includes a left side frame, a right side frame, and a top frame. The left and right sides of the top frame are respectively fixedly connected to the tops of the left side frame and the right side frame.

[0018] The beneficial effects obtained by the present utility model compared with the prior art are as follows:

[0019] 1. The stems and leaves of Cynanchum bungei will climb to the top of the stem and leaf climbing frame as they grow. After growing continuously and accumulating a certain thickness, control the stem and leaf harvesting mechanism to move back and forth along the aisle, cut off the stems, and the cut and separated stems, leaves, flowers, and fruits are discharged through the discharge port and the discharge pipeline and fall into the transport basket on the ground for collection;

[0020] This process only needs to control mechanical equipment to achieve mechanized harvesting, which saves time and effort, reduces labor, and does not require people to climb high for harvesting operations, greatly improving safety.

[0021] 2. A conveyor belt assembly is provided inside the equipment housing behind the stem and leaf harvesting mechanism. As the stem and leaf harvesting mechanism harvests forward, the cut stems, leaves, flowers, and fruits will move onto the conveyor flat belt, and the conveyor flat belt transports the stems, leaves, and flowers to the discharge port position, facilitating their falling from the discharge pipe and improving the collection efficiency.

[0022] 3. A moving frame is fixed above the equipment housing through a connecting plate. The two ends of the moving frame are slidably connected to the left and right sides of the frame-shaped frame. By driving the transmission screw rod, the stem and leaf harvesting mechanism can be controlled to reciprocate, with stable and safe operation. Description of the Drawings

[0023] Figure 1 It is a schematic diagram of the overall top stem and leaf harvesting system for Polygonum multiflorum Thunb. planted in a greenhouse according to the present utility model;

[0024] Figure 2 It is a schematic diagram of the stem and leaf cutting mechanism according to the present utility model;

[0025] Figure 3 It is a schematic diagram of the cooperation between the turntable and the sliding rod according to the present utility model;

[0026] In the figure: 1. Stem and leaf climbing frame, 2. Equipment housing, 3. Fixed knife plate, 4. Movable knife plate, 5. Conveyor belt assembly, 6. Knife teeth, 7. Turntable, 8. Annular groove, 9. Sliding rod, 10. Discharge port, 11. Frame-shaped frame, 12. First slide rail, 13. Transmission screw rod, 14. First driving motor, 15. Moving frame, 16. Internal thread sleeve. Detailed Embodiment

[0027] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0028] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "front", "rear", "upper", "lower", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the utility model. The following further illustrates the utility model in conjunction with the drawings and embodiments.

[0029] As Figures 1-3 shown, this embodiment discloses a harvesting system for the top stems and leaves of Polygonum multiflorum Thunb. planted in a greenhouse, which mainly includes a stem and leaf harvesting mechanism and a stem and leaf climbing frame 1. The stem and leaf climbing frame 1 is arranged on the aisle between two adjacent Polygonum multiflorum Thunb. planting areas in the greenhouse and extends along the front and rear directions of the aisle. The stem and leaf climbing frame 1 includes a left frame, a right frame and a top frame. The left and right sides of the top frame are respectively fixedly connected to the tops of the left frame and the right frame. The cross-section of the stem and leaf climbing frame 1 is a portal structure. A plurality of vertical rods are installed on the left frame and the right frame to facilitate the climbing and upward growth of the stems and leaves. The top frame includes a plurality of crossbars to facilitate the horizontal growth of the stems and leaves at the top.

[0030] The stem and leaf harvesting mechanism includes a device housing 2, a fixed knife plate 3, a moving knife plate 4 and a conveyor belt assembly 5. The front side of the device housing 2 is open. The fixed knife plate 3 is horizontally distributed left and right and is fixed in the device housing 2 through a bolt assembly. A slider is fixed on the top surface of the fixed knife plate 3. A sliding groove for sliding cooperation with the slider is machined on the bottom surface of the moving knife plate 4, so that the moving knife plate 4 can slide left and right relative to the fixed knife plate 3. A plurality of knife teeth 6 are evenly distributed at the front ends of the moving knife plate 4 and the fixed knife plate 3, and the knife teeth 6 expose the edge of the open part of the device housing 2. In this embodiment, the knife teeth 6 are triangular blades. With such a design, the cutting function can be realized. A turntable 7 is rotatably connected to the left side inside the device housing 2 through an eccentric shaft. The axis of the eccentric shaft does not coincide with the axis of the turntable 7. The lower end of the eccentric shaft is rotatably connected to the bottom of the device housing 2, and the upper end is connected to a reduction motor. The base of the reduction motor is fixed inside the device housing 2. An annular groove 8 is machined on the turntable 7. One end of the moving knife plate 4 close to the turntable 7 is provided with a downward sliding rod 9 through a cross plate. The end of the sliding rod 9 is fitted in the annular groove 8. When the turntable 7 rotates eccentrically, the moving knife plate 4 makes a reciprocating left and right movement through the cooperation of the sliding rod 9 and the annular groove 8.

[0031] On the right side of the equipment housing 2, a discharge port 10 is machined, and a discharge pipe is installed and connected outside the discharge port 10. The conveyor belt assembly 5 is arranged inside the equipment housing 2 and behind the moving knife plate 4. The conveyor belt assembly 5 includes a driving wheel, a driven wheel, and a conveyor belt distributed horizontally left and right. Both ends of the conveyor flat belt are assembled on the driving wheel and the driven wheel. The length of the conveyor flat belt is similar to the length of the stem and leaf harvesting mechanism. The driving wheel is controlled by a driving motor to rotate. The right end of the conveyor flat belt faces the discharge port 10. When the conveyor belt operates, it can convey the stems and leaves on the surface to the position of the discharge port 10.

[0032] At the four corner positions of the top of the stem and leaf climbing frame 1, a frame-shaped frame 11 is fixed through support rods. The first slide rails 12 are respectively installed on the left and right sides of the frame-shaped frame 11. The front and rear sides of the frame-shaped frame 11 are rotatably connected with a transmission screw rod 13 through bushing sleeves. The rear end of the transmission screw rod 13 is connected with a first driving motor 14. The base of the first driving motor 14 is fixed on the frame-shaped frame 11 through bolt assemblies. Above the equipment housing 2, a moving frame 15 is fixed through a connecting plate. The first sliders slidably connected with the first slide rails 12 are installed on the bottom sides of the left and right ends of the moving frame 15. An internally threaded sleeve 16 is welded at the middle position of the moving frame 15. The internally threaded sleeve 16 is threadedly connected with the transmission screw rod 13. There is a gap of 2 - 5 cm between the bottom of the stem and leaf harvesting mechanism and the top of the stem and leaf climbing frame 1. Through the first driving motor 14, the stem and leaf harvesting mechanism can be controlled to move back and forth along the aisle and harvest the stems and leaves at the top of the stem and leaf climbing frame 1.

[0033] The specific working process of the top stem and leaf harvesting system for Polygonum multiflorum Thunb. planted in the greenhouse in this embodiment is as follows:

[0034] When the stem and leaf harvesting mechanism is not working, it is located at the rear end of the stem and leaf climbing frame 1. When there are enough stems, leaves, flowers, and fruits of Polygonum multiflorum Thunb. at the top of the stem and leaf climbing frame 1, through the first driving motor 14, the stem and leaf harvesting mechanism can be controlled to move forward along the aisle. The moving knife disc is controlled by a reduction motor to reciprocate, so that the stem and leaf harvesting mechanism can cut the stems and leaves while moving forward, thereby harvesting the stems, leaves, flowers, and fruits. The harvested stems, leaves, flowers, and fruits are accumulated on the rear conveyor flat belt. The conveyor flat belt transports the materials to the position of the discharge port 10. A soft cloth bag or a hose is connected in advance to the discharge pipe, and the stems, leaves, flowers, and fruits falling from the discharge pipe are collected. This process only needs to control the mechanical equipment to achieve mechanized harvesting, which saves time and effort, saves labor, and does not require people to climb high for harvesting operations, greatly improving safety.

Claims

1. A harvesting system for the top stems and leaves of Cynanchum bungei Decne. grown in a greenhouse, characterized in that, It includes a stem and leaf harvesting mechanism and a stem and leaf climbing frame; The stem and leaf climbing frame is arranged on the aisle between two adjacent Cynanchum multiflorum planting areas in the greenhouse and extends along the front-rear direction of the aisle. The cross section of the stem and leaf climbing frame is a door-shaped structure. The stem and leaf harvesting mechanism is arranged on the top of the stem and leaf climbing frame and can move along the front-rear direction of the aisle and harvest the stems and leaves on the top of the stem and leaf climbing frame; The stem and leaf harvesting mechanism includes an equipment shell, in which fixed knife plates are arranged laterally distributed on the left and right sides, and a movable knife plate that can reciprocate left and right is slidably connected to the fixed knife plate, and a plurality of knife teeth are arranged at the front ends of the movable knife plate and the fixed knife plate, and a discharge port is arranged on one side of the equipment shell, and the discharge port is connected to a discharge pipe.

2. The harvesting system for the top stems and leaves of Cynanchum bungei Decne. planted in a greenhouse according to claim 1, characterized in that, A conveyor belt assembly is provided in the housing of the equipment and is located behind the stem and leaf harvesting mechanism. The conveyor belt assembly includes a driving wheel, a driven wheel, and conveyor belts distributed laterally on the left and right sides. The two ends of the conveyor belt are mounted on the driving wheel and the driven wheel. The driving wheel is controlled to rotate by a driving motor. When the conveyor belt is running, the stems and leaves on the surface can be transported to the discharge port.

3. The top stem and leaf harvesting system for Cynanchum bungei Decne. in greenhouse planting according to claim 1, wherein The blade teeth are triangular blades, a slider is fixed on the top surface of the fixed blade plate, and a slide groove that slides in cooperation with the slider is fixed on the bottom surface of the movable blade plate.

4. The top stem and leaf harvesting system for polygonum multiflorum thunb. grown in a greenhouse according to claim 3, characterized in that, A turntable is rotatably connected to one side of the device housing through an eccentric shaft, the lower end of the eccentric shaft is swivel-connected to the bottom of the device housing, and the upper end is connected to a reduction motor; The rotating disk is provided with an annular groove, and one end of the movable blade plate close to the rotating disk is provided with a downward sliding rod, and the end of the sliding rod is matched in the annular groove.

5. The top stem and leaf harvesting system for Cynanchum bungei Decne. planted in greenhouse according to claim 1, characterized in that, A frame is fixed on the top of the stem and leaf climbing frame through a support rod, and first slide rails are respectively provided on the left and right sides of the frame. The front and rear sides of the frame are rotatably connected with a transmission screw, and the rear end of the transmission screw is connected to a first drive motor; A moving frame is fixed above the device housing through a connecting plate, and first sliding blocks slidably connected to the first slide rail are provided at the bottom sides of the left and right ends of the moving frame, and an internal threaded sleeve threadedly connected to the driving screw is provided in the middle position of the moving frame.

6. The top stem and leaf harvesting system for Cynanchum bungei Decne. grown in a greenhouse according to any one of claims 1-5, characterized in that, The stem and leaf climbing frame comprises a left frame, a right frame and a top frame, and the left and right sides of the top frame are respectively fixedly connected to the tops of the left frame and the right frame.