Simple and portable harvesting device for tender shoots of astragalus sinicus

Abstract

The invention relates to the technical field of Chinese milk vetch tender shoot picking, and discloses a simple and portable harvesting device for Chinese milk vetch tender shoots. A harvesting box is provided with a harvesting cavity with an open bottom opening, the side wall of the harvesting box is provided with a discharging opening communicated with the harvesting cavity, and the outer side wall of the harvesting box is fixedly connected with a long supporting rod; the supporting frame is rotatably arranged in the harvesting chamber, the supporting frame is provided with a cutting space, a first winding box is arranged at the end, close to the discharging opening, of the supporting frame, and a winding belt of the first winding box is connected with a cutting knife; the second rolling box is arranged on the supporting frame and located at the end, away from the discharging opening, of the cutting space, a rolling belt of the second rolling box is connected with the cutting knife, a rolling shaft of the second rolling box is in transmission connection with a rolling operation mechanism through a transmission mechanism, and the rolling operation mechanism is connected with a lifting operation mechanism. The harvesting device is suitable for standing posture picking, frequent stooping or squatting posture operation can be reduced, operation is convenient and fast, and the picking efficiency is effectively improved.

Description

Technical Field

[0001] The present invention relates to the technical field of picking tender shoots of milk vetch, and particularly to a simple and portable harvesting device for tender shoots of milk vetch. Background Art

[0002] Milk vetch, also known as Chinese milk vetch, belongs to the genus Astragalus of the legume family. For a long time, milk vetch has been mainly used as green manure and forage in the southern part of China. For edible use of milk vetch: before the milk vetch is turned over and pressed during the full-bloom period, from mid-to-late March to early-to-mid April before the milk vetch blooms, the tender stems and leaves of milk vetch are picked and used as fresh vegetables, and can be made into dried vegetables after being blanched and dried.

[0003] For the edible use of milk vetch, its tender shoots need to be picked first. The traditional picking method is usually manual picking in a bent or squatting posture, which not only has low picking efficiency but also is extremely likely to cause physical injuries. Summary of the Invention

[0004] The purpose of the present invention is to provide a simple and portable harvesting device for tender shoots of milk vetch, aiming to solve or improve at least one of the above technical problems.

[0005] To achieve the above purpose, the present invention provides the following solution: The present invention provides a simple and portable harvesting device for tender shoots of milk vetch, including:

[0006] A harvesting box having a harvesting chamber with an open bottom, a discharge port communicating with the harvesting chamber is provided on the side wall of the harvesting box, a long support rod is fixedly connected to the outer side wall of the harvesting box, and a handle is fixedly connected to the end of the long support rod away from the harvesting box;

[0007] A support frame rotatably arranged in the harvesting chamber, the rotating end of the support frame is located at the discharge port, the support frame has a cutting space, a first winding box is arranged at the end of the support frame close to the discharge port, a cutting knife is connected to the winding tape of the first winding box, and the cutting knife can slide along the cutting space so that the winding tape of the first winding box can cover the cutting space;

[0008] A second winding box is arranged on the support frame and located at one end of the cutting space away from the discharge port, the winding tape of the second winding box is connected to the cutting knife, the reel of the second winding box is drivingly connected to a winding operation mechanism through a transmission mechanism, the winding operation mechanism is connected to a lifting operation mechanism, and the lifting operation mechanism is arranged at the end of the long support rod away from the harvesting box.

[0009] Optionally, the lifting operation mechanism includes:

[0010] A sliding groove is opened on the side wall of the long support rod;

[0011] The slider is slidably fitted in the sliding groove. A connecting plate is fixedly connected to the slider, and the winding operation mechanism is arranged on the connecting plate.

[0012] Optionally, the winding operation mechanism includes:

[0013] A rotating rod is rotatably arranged on the connecting plate. A spiral groove is formed on the rotating rod, and the rotating rod is in transmission connection with the transmission mechanism;

[0014] A sliding ring is slidably sleeved on the rotating rod. A matching block is fixedly connected to the sliding ring, and the matching block is slidably fitted with the spiral groove.

[0015] Optionally, a first guide rod is fixedly connected in the sliding groove. The first guide rod penetrates through the slider and is slidably fitted with the slider. A first spring fixedly connected between the end of the sliding groove and the slider is sleeved on the first guide rod.

[0016] Optionally, a pulling plate is fixedly connected to the sliding ring. A second guide rod slidably penetrates through the pulling plate. The second guide rod is fixedly connected to the connecting plate. A second spring fixedly connected between the pulling plate and the connecting plate is sleeved on the second guide rod.

[0017] Optionally, the transmission mechanism includes a pair of transmission wheels and a transmission chain transmission-connected to the pair of transmission wheels. The pair of transmission wheels are respectively fixedly connected to the rotating rod and the reel of the second winding box.

[0018] Optionally, a first through groove and a second through groove are formed in the side wall of the harvesting box and are communicated with each other. A first connecting block is slidably fitted in the first through groove. The first connecting block is fixedly connected to the cutting knife and the winding belt of the first winding box. A second connecting block is slidably fitted in the second through groove. The second connecting block is fixedly connected to one end of the support frame away from the discharge port and the side wall of the second winding box.

[0019] Optionally, the first winding box is a self-resetting winding box.

[0020] Optionally, a negative pressure device is arranged on the harvesting box. The negative pressure device is communicated with a negative pressure suction port above the cutting space in the harvesting chamber. The negative pressure device is connected with a switch button, and the switch button is arranged on the handle.

[0021] Optionally, a lifting bracket is fixedly connected to the bottom end of the harvesting box.

[0022] The present invention discloses the following technical effects: The present invention is suitable for standing harvesting, which can reduce frequent bending or squatting operations, relieve lumbar and back strain, and avoid problems such as nail wear and skin scratches during bare-handed harvesting. It is particularly protective for long-term workers. It can complete the harvesting action quickly, with convenient operation and effectively improve the harvesting efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings constituting a part of this application are used to provide a further understanding of this application. The schematic embodiments of this application and their descriptions are used to explain this application and do not constitute an improper limitation to this application. In the drawings:

[0024] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 is an internal connection schematic diagram of the harvesting box of the present invention;

[0026] Figure 3 is Figure 1 a partial enlarged view of A in

[0027] Figure 4 is Figure 1 a partial enlarged view of B in

[0028] Figure 5 is Figure 1 a partial enlarged view of C in

[0029] Figure 6 is Figure 2 a partial enlarged view of D in

[0030] In the figure: 1. Harvesting box; 2. Discharge port; 3. Long support rod; 4. Handle; 5. Support frame; 6. First winding box; 7. Cutter; 8. Second winding box; 9. Sliding groove; 10. Slide block; 11. Connecting plate; 12. Rotating rod; 13. Spiral groove; 14. Sliding ring; 15. First guide rod; 16. First spring; 17. Pulling plate; 18. Second guide rod; 19. Second spring; 20. Transmission wheel; 21. Transmission chain; 22. First through groove; 23. Second through groove; 24. First connecting block; 25. Second connecting block; 26. Negative pressure device; 27. Negative pressure suction port; 28. Switch button; 29. Lifting bracket; 30. Harvesting chamber; 31. Cutting space. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0032] In order to make the above objects, features and advantages of the present invention more obvious and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0033] Referring to Figures 1-6 , the present invention provides a simple and portable harvesting device for the tender shoots of Astragalus sinicus, comprising:

[0034] A harvesting box 1, having a harvesting chamber 30 with an open bottom, a discharge port 2 is provided on the side wall of the harvesting box 1 and is communicated with the harvesting chamber 30, a long support rod 3 is fixedly connected to the outer side wall of the harvesting box 1, and a handle 4 is fixedly connected to the end of the long support rod 3 away from the harvesting box 1;

[0035] A support frame 5 is rotatably provided in the harvesting chamber 30, the rotating end of the support frame 5 is located at the discharge port 2, the support frame 5 has a cutting space 31, a first winding box 6 is provided at the end of the support frame 5 close to the discharge port 2, a cutting knife 7 is connected to the winding belt of the first winding box 6, and the cutting knife can slide along the cutting space 31 so that the winding belt of the first winding box 6 can cover the cutting space 31;

[0036] A second winding box 8 is provided on the support frame 5 and is located at one end of the cutting space 31 away from the discharge port 2, the winding belt of the second winding box 8 is connected to the cutting knife 7, the reel of the second winding box 8 is drivingly connected to a winding operation mechanism through a transmission mechanism, the winding operation mechanism is connected to a lifting operation mechanism, and the lifting operation mechanism is provided at the end of the long support rod 3 away from the harvesting box.

[0037] Cover the harvesting box 1 on the Astragalus sinicus by holding the handle 4 by hand, so that the Astragalus sinicus is located in the harvesting chamber 30, and the tender shoots are located above the cutting space 31. By operating the winding operation mechanism at the end of the long support rod 3, the cutting knife 7 slides, so as to cut off the stems of the tender shoots of Astragalus sinicus located at the cutting space 31. At the same time, the winding belt of the first winding box 6 unfolds to catch the cut tender shoots of Astragalus sinicus. Then lift the harvesting box 1 so that the discharge port 2 is located in an external storage device such as a collection basket. Then operate the lifting operation mechanism to make the support frame 5 rotate and tilt with one end of the discharge port 2 as the axis, and discharge the tender shoots of Astragalus sinicus on the winding belt of the first winding box 6 out of the harvesting box 1 to complete the harvesting and picking of the tender shoots of Astragalus sinicus. It is suitable for standing picking, can reduce frequent bending or squatting operations, relieve lumbar and back strain, and avoid problems such as nail wear and skin scratches during bare-handed picking. It is especially more protective for long-term workers, can complete the picking action quickly, is easy to operate, and effectively improves the picking efficiency.

[0038] In an embodiment of the present invention, the lifting operation mechanism includes:

[0039] A sliding groove 9 is opened on the side wall of the long support rod 3;

[0040] The slider 10 is slidably fitted in the sliding groove 9. A connecting plate 11 is fixedly connected to the slider 10, and a winding operating mechanism is arranged on the connecting plate 11.

[0041] By pulling the connecting plate 11, the slider 10 slides along the sliding groove 9, driving the winding operating mechanism to slide synchronously, thereby driving the entire support frame 5 to rotate and tilt.

[0042] In an embodiment of the present invention, the winding operating mechanism includes:

[0043] A rotating rod 12 is rotatably arranged on the connecting plate 11. A spiral groove 13 is formed on the rotating rod 12, and the rotating rod 12 is in transmission connection with a transmission mechanism;

[0044] A sliding ring 14 is slidably sleeved on the rotating rod 12. A fitting block is fixedly connected to the sliding ring 14, and the fitting block is in sliding fit with the spiral groove 13.

[0045] The transmission mechanism includes a pair of transmission wheels 20 and a transmission chain 21 drivingly connected between the pair of transmission wheels 20. The pair of transmission wheels 20 are respectively fixedly connected to the rotating rod 12 and the reel of the second winding box 8.

[0046] By pulling the sliding ring 14, the fitting block on the sliding ring 14 slides along the spiral groove 13, so that the rotating rod 12 rotates through the transmission effect between the fitting block and the spiral groove 13. Then, the reel of the second winding box 8 is driven to rotate through the transmission wheels 20 and the transmission chain 21, so as to wind the tape of the second winding box 8. The tape of the second winding box 8 pulls the cutter 7 to slide, so that the cutter 7 cuts the tender shoots of milk vetch. At the same time, the tape of the first winding box 6 gradually unfolds to cover the cutting space 31, and the tape of the first winding box 6 remains in the unfolded state before the support frame 5 is lifted and tilted. After the tender shoots of milk vetch are discharged through the discharge port 2, the whole support frame 5 returns to the initial state.

[0047] In an embodiment of the present invention, a first guide rod 15 is fixedly connected in the sliding groove 9. The first guide rod 15 penetrates through the slider 10 and is in sliding fit with the slider 10. A first spring 16 is sleeved on the first guide rod 15 and is fixedly connected between the end of the sliding groove 9 and the slider 10.

[0048] The first guide rod 15 and the first spring 16 can not only improve the sliding stability of the slider 10 but also enable the slider 10 to automatically reset.

[0049] In an embodiment of the present invention, a pull plate 17 is fixedly connected to the sliding ring 14. A second guide rod 18 slidably penetrates through the pull plate 17. The second guide rod 18 is fixedly connected to the connecting plate 11. A second spring 19 is sleeved on the second guide rod 18 and is fixedly connected between the pull plate 17 and the connecting plate 11.

[0050] By pulling the pull plate 17, the sliding ring 14 is driven to slide along the rotating rod 12. Through the second guide rod 18 and the second spring 19, the sliding stability of the pull plate 17 can be improved to avoid the self-rotation of the sliding ring 14, and the pull plate 17 can be automatically reset.

[0051] In an embodiment of the present invention, a first through groove 22 and a second through groove 23 which are communicated with each other are formed in the side wall of the harvesting box 1. A first connecting block 24 is slidably fitted in the first through groove 22. The first connecting block 24 is fixedly connected to the cutting knife 7 and the winding belt of the first winding box 6. A second connecting block 25 is slidably fitted in the second through groove 23. The second connecting block 25 is fixedly connected to one end of the support frame 5 away from the discharge port 2 and the side wall of the second winding box 8.

[0052] The transmission chain 21 is in a tensioned state. By lifting the second winding box 8 to drive the second connecting block 25 to slide along the second through groove 23, the flipping of the support frame 5 can be realized. By winding the winding belt of the second winding box 8, the first connecting block 24 can be pulled to slide along the first through groove 22, driving the cutting knife 7 to slide synchronously.

[0053] Further, in order to improve the reset effect and sliding stability of the support frame 5, a third spring can be fixedly connected between the end of the second through groove 23 and the second connecting block 25, and a third guide rod which penetrates through the second connecting block 25 and is slidably fitted with the second connecting block 25 can be fixedly connected in the second through groove 23.

[0054] In an embodiment of the present invention, the first winding box 6 is a self-resetting winding box. The self-resetting winding box usually has a built-in torsion spring, such as a seat belt structure, which can realize the automatic reset of the winding belt of the first winding box 6 and the reset of the cutting knife 7.

[0055] In an embodiment of the present invention, a negative pressure device 26 is provided on the harvesting box 1. The negative pressure device 26 is communicated with a negative pressure suction port 27 above a cutting space 31 in the harvesting chamber 30. The negative pressure device 26 is connected with a switch button 28, and the switch button 28 is arranged on the grip 4.

[0056] By starting the switch button 28, the milk vetch in the harvesting chamber 30 can be kept upright through the negative pressure device 26 and the negative pressure suction port 27, which is convenient for accurately cutting the tender shoots of the milk vetch and improving the picking effect. After the tender shoots of the milk vetch are cut, the negative pressure device 26 is closed to prevent the tender shoots of the milk vetch from being adsorbed by the negative pressure suction port 27.

[0057] In an embodiment of the present invention, a lifting bracket 29 is fixedly connected to the bottom end of the harvesting box 1. After the lifting bracket 29 contacts the bottom surface, the top of the milk vetch can be located inside the harvesting box 1, which is convenient for the operator to observe the height position of the covered milk vetch through the gap of the lifting bracket 29.

[0058] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention, 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, and therefore should not be construed as a limitation on the present invention.

[0059] The embodiments described above are only for describing the preferred mode of the present invention, and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, various deformations and improvements made by those of ordinary skill in the art to the technical solutions of the present invention shall fall within the protection scope determined by the claims of the present invention.

Claims

1. A simple and portable harvesting device for the tender shoots of Astragalus sinicus, characterized in that, include: A harvesting box (1) has a harvesting chamber (30) with an open bottom, a discharge port (2) connected to the harvesting chamber (30) is formed on a side wall of the harvesting box (1), a long support rod (3) is fixedly connected to the outer wall of the harvesting box (1), and a handle (4) is fixedly connected to one end of the long support rod (3) away from the harvesting box (1); A support frame (5) is rotatably arranged in the harvesting chamber (30), the rotating end of the support frame (5) is located at the discharge outlet (2), the support frame (5) has a cutting space (31), and a first winding box (6) is arranged at the end of the support frame (5) close to the discharge outlet (2), the tape of the first winding box (6) is connected to a cutting knife (7), and the cutting knife can slide along the cutting space (31) so that the tape of the first winding box (6) can cover the cutting space (31); The second winding box (8) is arranged on the support frame (5) and is located at the end of the cutting space (31) away from the discharge port (2). The winding belt of the second winding box (8) is connected to the cutting knife (7). The reel of the second winding box (8) is connected to a winding operating mechanism through a transmission mechanism. The winding operating mechanism is connected to a lifting operating mechanism. The lifting operating mechanism is arranged at the end of the long support rod (3) away from the harvesting box.

2. The simple and portable harvesting device for tender shoots of milk vetch according to claim 1, wherein The lifting operation mechanism comprises: A sliding groove (9) is provided on the side wall of the long support rod (3); A sliding block (10) is slidably fitted in the sliding groove (9); a connecting plate (11) is fixedly connected to the sliding block (10); and the connecting plate (11) is provided with the winding operation mechanism.

3. The simple and portable harvesting device for the young shoots of Astragalus sinicus according to claim 2, characterized in that, The reeling operation mechanism comprises: A rotating rod (12) is rotatably arranged on the connecting plate (11), a spiral groove (13) is provided on the rotating rod (12), and the rotating rod (12) is transmission-connected to the transmission mechanism; A sliding ring (14) is slidably sleeved on the rotating rod (12); a matching block is fixedly connected to the sliding ring (14); and the matching block is slidably matched with the spiral groove (13).

4. The simple and portable harvesting device for young shoots of milk vetch according to claim 3, characterized in that, A first guide rod (15) is fixedly connected in the sliding groove (9); the first guide rod (15) passes through the slider (10) and is slidably matched with the slider (10); and a first spring (16) is sleeved on the first guide rod (15) and is fixedly connected between the end of the sliding groove (9) and the slider (10).

5. The simple and portable harvesting device for tender shoots of Astragalus sinicus according to claim 3, wherein A pull plate (17) is fixedly connected to the sliding ring (14), a second guide rod (18) is slidably passed through the pull plate (17), the second guide rod (18) is fixedly connected to the connecting plate (11), and a second spring (19) is sleeved on the second guide rod (18) and fixedly connected between the pull plate (17) and the connecting plate (11).

6. The simple and portable harvesting device for tender shoots of milk vetch according to claim 3, characterized in that, The transmission mechanism includes a pair of transmission wheels (20) and a transmission chain (21) drivingly connected to the pair of transmission wheels (20). The pair of transmission wheels (20) are respectively fixedly connected to the rotating rod (12) and the reel of the second winding box (8).

7. A simple and portable harvesting device for the tender shoots of milk vetch according to claim 1, characterized in that A first through groove (22) and a second through groove (23) which are communicated with each other are formed in the side wall of the harvesting box (1). A first connecting block (24) is slidably fitted in the first through groove (22). The first connecting block (24) is fixedly connected to the cutting knife (7) and the tape of the first winding box (6). A second connecting block (25) is slidably fitted in the second through groove (23). The second connecting block (25) is fixedly connected to one end of the support frame (5) away from the discharge port (2) and the side wall of the second winding box (8).

8. A simple and portable harvesting device for young shoots of Astragalus sinicus, characterized in that, The first winding box (6) is a self-resetting winding box.

9. The simple and portable harvesting device for tender shoots of milk vetch according to claim 1, characterized in that, A negative pressure device (26) is provided on the harvesting box (1). The negative pressure device (26) is communicated with a negative pressure suction port (27) above the cutting space (31) in the harvesting chamber (30). The negative pressure device (26) is connected to a switch button (28). The switch button (28) is arranged on the handle (4).

10. The simple and portable harvesting device for the tender shoots of milk vetch according to claim 1, characterized in that, The bottom end of the harvesting box (1) is fixedly connected to a lifting bracket (29).

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