Digging and pulling integrated cassava harvester

Abstract

The utility model belongs to the technical field of cassava harvesters, and particularly relates to a digging and pulling integrated cassava harvester which comprises a connecting box, and an opening is formed in the front side of the connecting box; the two sides of the top of the connecting box are fixedly connected with the connecting plate; the baffle is fixedly mounted on the front side of the inner cavity of the connecting box; the number of the shovel teeth is two, the two shovel teeth are arranged on the two sides of the front side of the connecting box, the rear sides of the shovel teeth penetrate through the inner cavity, and positioning holes are formed in the opposite sides of the two shovel teeth; the mounting mechanism is located in an inner cavity of the connecting box, and the mounting mechanism is used for mounting the shovel teeth; according to the positioning mechanism, the shovel teeth can be quickly mounted and dismounted through matched use of the mounting mechanism, the gear can be limited through matched use of the limiting mechanism, and displacement of the positioning pin is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of cassava harvesters, in particular to a cassava harvester integrating digging and pulling. Background Art

[0002] A cassava harvester integrating digging and pulling is a mechanical device specially designed for cassava crops, which can simultaneously complete the processes of digging and pulling out cassava roots. Its main feature is to integrate the two functions of digging and pulling on one machine, thereby improving the harvesting efficiency and reducing the damage to cassava roots.

[0003] The Chinese patent document with the publication number: CN220441318U discloses a digging and soil-vibrating cassava harvester, which includes a frame, a digging mechanism, a potato-soil separation mechanism, and a transmission mechanism. The digging mechanism is arranged at the front end of the frame, the potato-soil separation mechanism is arranged inside the frame and at the rear of the digging mechanism, and the transmission mechanism is arranged on the frame and is in transmission connection with the potato-soil separation mechanism.

[0004] Through retrieval, it is found that although this device can effectively reduce the problem of large harvesting resistance caused by the easy entanglement of weeds and soil accumulation in the cassava harvester, due to the large working load borne by the shovel teeth of the cassava harvester during the harvesting process, especially when digging the soil and cutting the cassava roots, the shovel teeth need to be regularly inspected and maintained, and replaced when necessary to ensure the normal operation and working efficiency of the harvester. This device is not convenient for maintaining the shovel teeth, and it is rather troublesome to disassemble when the shovel teeth need to be replaced. Therefore, the present utility model proposes a cassava harvester integrating digging and pulling to solve the above problems. Content of the Utility Model

[0005] The purpose of the present utility model is to solve the problem that although this device can effectively reduce the problem of large harvesting resistance caused by the easy entanglement of weeds and soil accumulation in the cassava harvester, due to the large working load borne by the front shovel of the cassava harvester during the harvesting process, especially when digging the soil and cutting the cassava roots, the front shovel needs to be regularly inspected and maintained, and replaced when necessary to ensure the normal operation and working efficiency of the harvester. This device is not convenient for maintaining the front shovel, and it is rather troublesome to disassemble when the front shovel needs to be replaced, and a cassava harvester integrating digging and pulling is proposed.

[0006] In order to achieve the above purpose, the present utility model adopts the following technical solutions:

[0007] A cassava harvester integrating digging and pulling, comprising:

[0008] A connection box, an opening is provided on the front side of the connection box;

[0009] A connection plate, both sides of the top of the connection box are fixedly connected to the connection plate;

[0010] A baffle plate, which is fixedly installed on the front side of the inner cavity of the connection box;

[0011] Scraper teeth, the number of the scraper teeth is two, both of the two scraper teeth are arranged on both sides of the front side of the connection box, the rear sides of the scraper teeth penetrate into the inner cavity, and positioning holes are opened on one side of the two scraper teeth facing each other;

[0012] An installation mechanism, which is located in the inner cavity of the connection box and is used for installing the scraper teeth;

[0013] A limiting mechanism, which is located at the rear side of the connection box and is used for limiting the installation mechanism.

[0014] As a preferred solution of the present utility model, the installation mechanism includes: a mounting plate, a gear, a lead screw, a transmission frame, a guide wheel, an inclined block, a push plate, a positioning pin, a sliding sleeve and a sliding rod;

[0015] Both sides of the inner cavity of the connection box are fixedly connected with the mounting plate. The number of the mounting plates is L-shaped. The gear is arranged at the rear side of the connection box, the front side of the gear is fixedly connected with the lead screw, the front side of the lead screw penetrates through the rear side of the connection box and is rotatably connected with the rear side of the baffle plate through a rotating shaft. A threaded hole is opened at the rear side of the transmission frame, and openings are opened on both sides of the front side of the transmission frame. The transmission frame is threadedly sleeved on the surface of the lead screw. The guide wheel is rotatably arranged in the inner cavities on both sides of the front side of the transmission frame. The number of the inclined blocks is two, and the two inclined blocks are arranged at the front side of the two guide wheels. One side of the two inclined blocks facing away from each other is fixedly connected with the push plate. One side of the two push plates facing away from each other is fixedly connected with the positioning pin. The positioning pin is used in cooperation with the positioning hole. The front side of the push plate is fixedly connected with the sliding sleeve. The number of the sliding sleeves is two. The inner cavity of the sliding sleeve is slidably connected with the sliding rod. Both sides of the sliding rod are fixedly connected with the inner cavity of the connection box.

[0016] As a preferred solution of the present utility model, the limiting mechanism includes: a fixing plate, a plug rod, a pulling block and a toothed plate;

[0017] The fixing plate is fixedly connected to the rear side of the connection box and at the top of the gear. The plug rod is arranged at the top of the fixing plate. The top of the plug rod is fixedly connected with the pulling block. The bottom of the plug rod penetrates through the fixing plate and is fixedly connected with the toothed plate. The toothed plate is meshed with the gear.

[0018] As a preferred solution of the present utility model, a through hole is opened at the rear side of the connection box, and a mounting hole is opened at the left side of the connecting plate.

[0019] As a preferred solution of the present utility model, first springs are sleeved on both sides of the surface of the sliding rod and on the opposite sides of the two sliding sleeves.

[0020] As a preferred solution of the present utility model, a second spring is sleeved on the surface of the plug rod and between the fixing plate and the toothed plate.

[0021] Beneficial effects:

[0022] 1. Driving the screw rod to rotate by rotating the gear, the screw rod drives the transmission frame and the guide wheel to move, and the guide wheel drives the inclined block, the push plate and the positioning pin to move, so as to quickly install the shovel teeth.

[0023] 2. By engaging the toothed plate with the gear, the gear can be limited, so that the positioning pin can be prevented from shifting. By pulling the pulling block to drive the inserting rod and the toothed plate to move, the limitation on the gear can be released, so that the gear can be adjusted.

[0024] In the utility model: through the combined use of the installation mechanism, the shovel teeth can be quickly installed and disassembled. Through the combined use of the limiting mechanism, the gear can be limited to prevent the positioning pin from shifting. Description of the Drawings

[0025] Figure 1 is the structural schematic diagram of the utility model;

[0026] Figure 2 is the rear view of the connection box and the connection plate of the utility model;

[0027] Figure 3 is the cross-sectional view of the connection box of the utility model;

[0028] Figure 4 is the right view of the shovel teeth and the gear of the utility model;

[0029] Figure 5 is of the utility model Figure 2 enlarged view of A in.

[0030] In the figure: 1. Connection box; 2. Connection plate; 3. Baffle; 4. Shovel teeth; 5. Installation plate; 6. Gear; 7. Screw rod; 8. Transmission frame; 9. Guide wheel; 10. Inclined block; 11. Push plate; 12. Positioning pin; 13. Slide sleeve; 14. Slide rod; 15. Fixed plate; 16. Inserting rod; 17. Pulling block; 18. Toothed plate; 19. First spring; 20. Second spring. Detailed Embodiment

[0031] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0032] Embodiment

[0033] Referring to Figures 1 - 5 , the integrated digging and pulling cassava harvester includes:

[0034] Connection box 1, an opening is provided on the front side of the connection box 1;

[0035] The connecting plate 2, both sides of the top of the connecting box 1 are fixedly connected to the connecting plate 2;

[0036] The baffle 3, the baffle 3 is fixedly installed on the front side of the inner cavity of the connecting box 1;

[0037] The shovel teeth 4, the number of the shovel teeth 4 is two, both shovel teeth 4 are arranged on both sides of the front side of the connecting box 1, the rear side of the shovel teeth 4 penetrates into the inner cavity, positioning holes are opened on the opposite sides of the two shovel teeth 4;

[0038] The installation mechanism, the installation mechanism is located in the inner cavity of the connecting box 1, and the installation mechanism is used for installing the shovel teeth 4;

[0039] The limiting mechanism, the limiting mechanism is located on the rear side of the connecting box 1, and the limiting mechanism is used for limiting the installation mechanism.

[0040] As a preferred solution of the present utility model, the installation mechanism includes: an installation plate 5, a gear 6, a lead screw 7, a transmission frame 8, a guide wheel 9, an inclined block 10, a push plate 11, a positioning pin 12, a sliding sleeve 13 and a sliding rod 14;

[0041] Both sides of the inner cavity of the connecting box 1 are fixedly connected to the installation plate 5, the number of the installation plates 5 is L-shaped, the gear 6 is arranged on the rear side of the connecting box 1, the front side of the gear 6 is fixedly connected to the lead screw 7, the front side of the lead screw 7 penetrates through the rear side of the connecting box 1 and is rotationally connected to the rear side of the baffle 3 through a rotating shaft, a threaded hole is opened on the rear side of the transmission frame 8, openings are opened on both sides of the front side of the transmission frame 8, the transmission frame 8 is threadedly sleeved on the surface of the lead screw 7, the guide wheel 9 is rotatably arranged in the inner cavities on both sides of the front side of the transmission frame 8, the number of the inclined blocks 10 is two, both inclined blocks 10 are arranged on the front sides of the two guide wheels 9, the opposite sides of the two inclined blocks 10 are fixedly connected to the push plate 11, the opposite sides of the two push plates 11 are fixedly connected to the positioning pin 12, the positioning pin 12 is used in cooperation with the positioning hole, the front side of the push plate 11 is fixedly connected to the sliding sleeve 13, the number of the sliding sleeves 13 is two, the inner cavity of the sliding sleeve 13 is slidably connected to the sliding rod 14, both sides of the sliding rod 14 are fixedly connected to the inner cavity of the connecting box 1, by rotating the gear 6 to drive the lead screw 7 to rotate, the lead screw 7 drives the transmission frame 8 and the guide wheel 9 to move, and the guide wheel 9 drives the inclined block 10, the push plate 11 and the positioning pin 12 to move, so as to quickly install the shovel teeth 4.

[0042] As a preferred solution of the present utility model, the limiting mechanism includes: a fixing plate 15, a plug rod 16, a pulling block 17 and a toothed plate 18;

[0043] It is fixedly connected to the rear side of the connection box 1 and located on top of the gear 6 and the fixed plate 15. The insertion rod 16 is arranged on top of the fixed plate 15. The top of the insertion rod 16 is fixedly connected to the pulling block 17. The bottom of the insertion rod 16 penetrates through the fixed plate 15 and is fixedly connected to the toothed plate 18. The toothed plate 18 meshes with the gear 6. By meshing the toothed plate 18 with the gear 6, the gear 6 can be limited, thereby preventing the positioning pin 12 from shifting. By pulling the pulling block 17 to drive the insertion rod 16 and the toothed plate 18 to move, the limitation of the gear 6 can be released, thereby adjusting the gear 6.

[0044] As a preferred solution of the present utility model, a through hole is provided on the rear side of the connection box 1, and a mounting hole is provided on the left side of the connecting plate 2. By providing the through hole in the connection box 1, it is convenient for the lead screw 7 to rotate. By providing the mounting hole on the left side of the connecting plate 2, it is convenient for the connecting plate 2 to be installed with the equipment.

[0045] As a preferred solution of the present utility model, on both sides of the surface of the sliding rod 14 and on the opposite sides of the two sliding sleeves 13, a first spring 19 is sleeved. By providing the first spring 19, it is convenient for the sliding sleeve 13 to reset.

[0046] As a preferred solution of the present utility model, a second spring 20 is sleeved between the fixed plate 15 and the toothed plate 18 on the surface of the insertion rod 16. By providing the second spring 20, the toothed plate 18 can be reset, facilitating the toothed plate 18 to limit the gear 6.

[0047] With the above structure: By the combined use of the installation mechanism, the shovel teeth 4 can be quickly installed and disassembled. By the combined use of the limiting mechanism, the gear 6 can be limited to prevent the positioning pin 12 from shifting.

[0048] It should be noted that: For the specific model of the motor to be used, those skilled in the relevant art can select it by themselves. And the above about the motor and so on all belong to the prior art, and this solution will not be elaborated. It should be noted that the connecting plate 2 adopts the prior art and can directly use the structure of the patent with the application number: CN220441318U, so it will not be described in detail.

[0049] Working principle of the utility model: When the shovel tooth 4 needs to be installed, the rear side of the shovel tooth 4 is inserted into the inner cavity of the connection box 1, so that the rear side of the shovel tooth 4 is attached to the rear side of the inner cavity of the mounting plate 5. Subsequently, by pulling the pull block 17, the toothed plate 18 is separated from the gear 6, and then the gear 6 is rotated to drive the lead screw 7 to rotate. The lead screw 7 drives the transmission frame 8 and the guide wheel 9 to move, and the guide wheel 9 drives the inclined block 10, the push plate 11 and the positioning pin 12 to move, so as to quickly install the shovel tooth 4. After the positioning pin 12 is positioned, the pull block 17 is released, and the toothed plate 18 is engaged with the gear 6 through the second spring 20, so as to prevent the positioning pin 12 from shifting. When the shovel tooth 4 needs to be replaced, the gear 6 is operated conversely, and the sliding sleeve 13, the push plate 11 and the positioning pin 12 can be reset through the first spring 19, so as to reset the shovel tooth 4.

[0050] The above is only the preferred specific implementation mode of the utility model, but the protection scope of the utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the utility model, according to the technical solution and the inventive concept of the utility model, makes equivalent replacement or change, and should be covered by the protection scope of the utility model.

Claims

1. A combined digging and pulling cassava harvester, characterized in that, Comprising: A connection box (1), an opening is provided on the front side of the connection box (1); A connecting plate (2), both sides of the top of the connection box (1) are fixedly connected to the connecting plate (2); A baffle plate (3), the baffle plate (3) is fixedly installed on the front side of the inner cavity of the connection box (1); Scraper teeth (4), the number of the scraper teeth (4) is two, both scraper teeth (4) are arranged on both sides of the front side of the connection box (1), the rear side of the scraper teeth (4) penetrates into the inner cavity, and positioning holes are provided on the opposite sides of the two scraper teeth (4); An installation mechanism, the installation mechanism is located in the inner cavity of the connection box (1), and the installation mechanism is used for installing the scraper teeth (4); A limiting mechanism, the limiting mechanism is located at the rear side of the connection box (1), and the limiting mechanism is used for limiting the installation mechanism.

2. The integrated digging and pulling cassava harvester according to claim 1, wherein, The installation mechanism includes: a mounting plate (5), a gear (6), a lead screw (7), a transmission frame (8), a guide wheel (9), an inclined block (10), a push plate (11), a positioning pin (12), a sliding sleeve (13) and a sliding rod (14); Both sides of the inner cavity of the connection box (1) are fixedly connected to the mounting plate (5), the number of the mounting plates (5) is L-shaped, the gear (6) is arranged at the rear side of the connection box (1), the front side of the gear (6) is fixedly connected to the lead screw (7), the front side of the lead screw (7) penetrates through the rear side of the connection box (1) and is rotatably connected to the rear side of the baffle plate (3) through a rotating shaft, a threaded hole is provided on the rear side of the transmission frame (8), openings are provided on both sides of the front side of the transmission frame (8), the transmission frame (8) is threadedly sleeved on the surface of the lead screw (7), the guide wheel (9) is rotatably arranged in the inner cavities on both sides of the front side of the transmission frame (8), the number of the inclined blocks (10) is two, the two inclined blocks (10) are arranged on the front sides of the two guide wheels (9), the opposite sides of the two inclined blocks (10) are fixedly connected to the push plate (11), the opposite sides of the two push plates (11) are fixedly connected to the positioning pin (12), the positioning pin (12) is used in cooperation with the positioning hole, the front side of the push plate (11) is fixedly connected to the sliding sleeve (13), the number of the sliding sleeves (13) is two, the inner cavity of the sliding sleeve (13) is slidably connected to the sliding rod (14), and both sides of the sliding rod (14) are fixedly connected to the inner cavity of the connection box (1).

3. The integrated digging and pulling cassava harvester according to claim 1, wherein, The limiting mechanism includes: a fixing plate (15), a plug rod (16), a pulling block (17) and a toothed plate (18); The fixing plate (15) is fixedly connected to the rear side of the connection box (1) and above the gear (6), the plug rod (16) is arranged on the top of the fixing plate (15), the top of the plug rod (16) is fixedly connected to the pulling block (17), the bottom of the plug rod (16) penetrates through the fixing plate (15) and is fixedly connected to the toothed plate (18), and the toothed plate (18) is meshed with the gear (6).

4. The integrated digging and pulling cassava harvester according to claim 1, characterized in that, A through hole is provided on the rear side of the connection box (1), and a mounting hole is provided on the left side of the connecting plate (2).

5. The integrated digging and pulling cassava harvester according to claim 2, wherein, First springs (19) are sleeved on both sides of the surface of the sliding rod (14) and on the opposite sides of the two sliding sleeves (13).

6. The integrated digging and pulling cassava harvester according to claim 3, characterized in that, A second spring (20) is sleeved on the surface of the plug rod (16) and between the fixing plate (15) and the toothed plate (18).

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