Flattening structural member located on potato harvester

Abstract

The flattening structural member comprises two sets of connecting plates and electric push rods, the electric push rods are installed at the bottom ends of the connecting plates, push arms are installed at the output ends of the electric push rods, linkage rods are installed at the bottom ends of the push arms, and the linkage rods are connected with the connecting plates. An upper linkage shaft is installed at the top end of each linkage rod, the linkage rods are movably connected with the push arms through the upper linkage shafts, supporting arms are installed on the side walls of the electric push rods, C-shaped frames are installed at the bottom ends of the supporting arms, movable shafts are installed at the top ends of the C-shaped frames, and the C-shaped frames are movably connected with the supporting arms through the movable shafts. According to the soil flattening and scraping device, convenient and fast approaching type soil flattening and convenient and fast opposite drawing and scraping of soil are achieved, adaptive flattening of soil of different widths and scraping and cleaning of the soil on the surface of the roller are facilitated, and the flattening convenience and the soil cleaning effect are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flattening structural parts, in particular to a flattening structural part located on a potato harvester. Background Technique

[0002] Potatoes are important food crops in our country. They are characterized by high edible value, wide edible range, many processed products, and high nutrient content. A potato harvester, also known as a potato harvester, is a machine specifically used for harvesting potatoes. With the continuous development of modern industry, contemporary potato farmers have got rid of the situation of manually harvesting potatoes and instead use machines to harvest potatoes. At present, after the potatoes are dug out by the harvester, the soil becomes soft and it is not easy for people to pick up the potatoes. It is necessary to flatten the soft soil. In order to better flatten the soil, a flattening structural part located on a potato harvester is proposed.

[0003] As disclosed in a flattening device located at the tail of a potato harvester with the authorization publication number CN212064895U, it includes two support frames rotatably connected to the tail of the frame of the potato harvester and a leveling roller assembly located between the two support frames. The leveling roller assembly includes a leveling roller and a core shaft coaxially fixed at the center of the leveling roller. Both ends of the core shaft are rotatably connected to the support frames respectively;

[0004] Although it realizes that in this application, by arranging a leveling roller at the tail of the potato harvester, it is convenient to flatten the soft soil, prevent the potatoes falling from the conveyor belt from sinking into the soil, and facilitate the picking operation;

[0005] However, it does not solve the problems that the existing flattening structural parts are not convenient for close-range flattening of the soil and convenient for pulling and scraping the soil in opposite directions, are not conducive to adapting to flattening soils of different widths and scraping and cleaning the soil on the surface of the drum, and affect the convenience of flattening and the effect of cleaning the soil. Content of the Utility Model

[0006] The purpose of the utility model is to provide a flattening structural part located on a potato harvester, so as to solve the problems in the above background technique that the flattening structural part is not convenient for close-range flattening of the soil and convenient for pulling and scraping the soil in opposite directions, is not conducive to adapting to flattening soils of different widths and scraping and cleaning the soil on the surface of the drum, and affects the convenience of flattening and the effect of cleaning the soil.

[0007] To achieve the above object, the present utility model provides the following technical solutions: A flattening structural member located on a potato harvester, comprising a connecting plate and an electric push rod. There are two groups of the connecting plates, and electric push rods are installed at the bottom ends of the connecting plates. Push arms are installed at the output ends of the electric push rods. Linking rods are installed at the bottom ends of the push arms. Upper linkage shafts are installed at the top ends of the linking rods, and the linking rods are movably connected to the push arms through the upper linkage shafts. Support arms are installed on the side walls of the electric push rods. C-shaped frames are installed at the bottom ends of the support arms. Movable shafts are installed at the top ends of the C-shaped frames, and the C-shaped frames are movably connected to the support arms through the movable shafts. Lower linkage shafts are installed at the bottom ends of the linking rods, and the linking rods are movably connected to the C-shaped frames through the lower linkage shafts. Hinge shafts are movably installed at the bottom ends of the C-shaped frames. Pulling drums are installed at one ends of the hinge shafts, and a support drum is arranged between the two pulling drums, and the support drum extends into the pulling drums. Inner scrapers are installed on the inner walls of the pulling drums, and the inner scrapers are slidably connected to the support drums. Storage batteries are installed on the side walls of the pulling drums on one side of the hinge shafts. An integrated frame is arranged outside the connecting plates.

[0008] Preferably, a servo motor is installed inside the integrated frame. A bidirectional threaded rod is installed at the output end of the servo motor, and the bidirectional threaded rod is movably connected to the integrated frame.

[0009] Preferably, two groups of bidirectional threaded sleeves are sleeved on the surface of the bidirectional threaded rod. The bidirectional threaded sleeves are threadedly connected to the bidirectional threaded rod, and the bidirectional threaded sleeves are slidably connected to the integrated frame.

[0010] Preferably, connecting blocks are installed at the bottom ends of the bidirectional threaded sleeves, and the connecting blocks are respectively connected to the connecting plates.

[0011] Preferably, stepping motors are installed inside the pulling drums, and the stepping motors are fixedly connected to the pulling drums.

[0012] Preferably, moving threaded rods are installed at the output ends of the stepping motors, and the moving threaded rods are movably connected to the pulling drums. Moving threaded sleeves are sleeved on the surfaces of the moving threaded rods, and the moving threaded sleeves are threadedly connected to the moving threaded rods.

[0013] Preferably, sliding grooves are installed on the surfaces of the pulling drums on one side of the moving threaded rods, and the moving threaded sleeves are slidably connected to the sliding grooves. Outer scrapers are installed at the top ends of the moving threaded sleeves.

[0014] Preferably, two groups of limiting blocks are installed on the inner walls of the outer scrapers. Limiting grooves are installed on the surfaces of the pulling drums on one side of the limiting blocks, and the limiting blocks are slidably connected to the limiting grooves.

[0015] To further elaborate on the technical means and effects adopted by the present utility model to achieve the predetermined utility model purpose, the following, in conjunction with the attached drawings and preferred embodiments, details the specific implementation manners, structures, features and their effects of the present utility model as follows;

[0016] (1) The electric push rod drives the push arm to move. The push arm drives the linkage rod to rotate through the upper linkage shaft. Supported by the support arm, the linkage rod drives the C-shaped frame to rotate around the movable shaft through the lower linkage shaft. The C-shaped frame drives the hinge shaft to rotate, and the hinge shaft drives the draw drum to rotate, so that the draw drum contacts the soil. Under the continuous movement of the potato harvester, the draw drum flattens the soil. When the width of the soil to be flattened is relatively wide, the servo motor drives the bidirectional threaded rod to rotate. The bidirectional threaded rod drives the two groups of bidirectional threaded sleeves to move towards each other. The bidirectional threaded sleeves drive the connecting blocks to move towards each other. The connecting blocks drive the two groups of electric push rods to move away from each other through the connecting plates. The electric push rods drive the two groups of draw drums to move away from each other. The draw drums slide on the surface of the support drum, so that the draw drums are elongated, which is convenient for flattening soils of different widths, realizing convenient close-range soil flattening, facilitating the adaptive flattening of soils of different widths, and improving the convenience of flattening;

[0017] (2) The servo motor drives the two groups of electric push rods to move towards each other. The electric push rods drive the draw drums to move on the surface of the support drum. The inner scraper on the inner wall of the draw drum scrapes the soil adhered to the surface of the support drum. The stepping motor drives the moving threaded rod to rotate. The moving threaded rod drives the moving threaded sleeve to slide inside the draw drum. The moving threaded sleeve drives the outer scraper to move on the surface of the draw drum. The limiting block slides inside the limiting groove. The limiting block and the limiting groove provide sliding limit support for the outer scraper, so as to scrape and clean the soil adhered to the surface of the draw drum, which is convenient for cleaning the drum, realizing convenient opposite-direction drawing and scraping of soil, facilitating the scraping and cleaning of the soil on the surface of the drum, and improving the effect of cleaning the soil. Description of the Drawings

[0018] Figure 1 is the three-dimensional structure schematic diagram of the present utility model;

[0019] Figure 2 is the three-dimensional structure schematic diagram of the integrated frame of the present utility model;

[0020] Figure 3 is the side view sectional structure schematic diagram of the integrated frame of the present utility model;

[0021] Figure 4 is the three-dimensional structure schematic diagram of the draw drum of the present utility model;

[0022] Figure 5 is the front view structure schematic diagram of the C-shaped frame of the present utility model.

[0023] In the figure: 1. Integrated frame; 2. Electric push rod; 3. Pull-out roller; 4. Connecting plate; 5. Support roller; 6. Bidirectional threaded rod; 7. Bidirectional threaded sleeve; 8. Servo motor; 9. Inner scraper; 10. Moving threaded rod; 11. Stepper motor; 12. Moving threaded sleeve; 13. Outer scraper; 14. Limit block; 15. Battery; 16. Limit groove; 17. Support arm; 18. Movable shaft; 19. C-shaped frame; 20. Push arm; 21. Linking rod; 22. Lower linkage shaft; 23. Hinge shaft; 24. Upper linkage shaft; 25. Sliding groove; 26. Connecting block. Specific implementation mode

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0025] Please refer to Figures 1-5 , an embodiment provided by the present invention: A flattening structural member located on a potato harvester, including a connecting plate 4 and an electric push rod 2. There are two groups of connecting plates 4, and electric push rods 2 are installed at the bottom ends of the connecting plates 4. The electric push rods 2 play a role in power driving. Push arms 20 are installed at the output ends of the electric push rods 2. Linking rods 21 are installed at the bottom ends of the push arms 20. Upper linkage shafts 24 are installed at the top ends of the linking rods 21. And the linking rods 21 are movably connected to the push arms 20 through the upper linkage shafts 24. Support arms 17 are installed on the side walls of the electric push rods 2. C-shaped frames 19 are installed at the bottom ends of the support arms 17. Movable shafts 18 are installed at the top ends of the C-shaped frames 19. And the C-shaped frames 19 are movably connected to the support arms 17 through the movable shafts 18. Lower linkage shafts 22 are installed at the bottom ends of the linking rods 21. And the linking rods 21 are movably connected to the C-shaped frames 19 through the lower linkage shafts 22. Hinge shafts 23 are movably installed at the bottom ends of the C-shaped frames 19. Pull-out rollers 3 are installed at one ends of the hinge shafts 23. And a support roller 5 is arranged between the two pull-out rollers 3. And the support roller 5 extends into the interior of the pull-out roller 3. Inner scrapers 9 are installed on the inner walls of the pull-out rollers 3. And the inner scrapers 9 are slidably connected to the support roller 5. Batteries 15 are installed on the side walls of the pull-out rollers 3 on one side of the hinge shafts 23. An integrated frame 1 is arranged outside the connecting plate 4;

[0026] First, install the flattened structural member at the tail of the potato harvester, connect the device to the controller and circuit of the potato harvester, connect the stepping motor 11 to the storage battery 15, and the storage battery 15 provides power to the stepping motor 11. When it is necessary to flatten the soil, open the electric push rod 2 through external control. The electric push rod 2 drives the push arm 20 to move. The push arm 20 drives the linkage rod 21 to rotate through the upper linkage shaft 24. Supported by the support arm 17, the linkage rod 21 drives the C-shaped frame 19 to rotate around the movable shaft 18 through the lower linkage shaft 22. The C-shaped frame 19 drives the hinge shaft 23 to rotate, and the hinge shaft 23 drives the draw drum 3 to rotate, so that the draw drum 3 contacts the soil. Under the continuous movement of the potato harvester, the draw drum 3 flattens the soil. When the width of the soil to be flattened is relatively wide, open the servo motor 8 through external control. The servo motor 8 drives the bidirectional threaded rod 6 to rotate. Under the threaded connection of the bidirectional threaded rod 6 and the bidirectional threaded sleeve 7, and the sliding fit of the bidirectional threaded sleeve 7 and the integrated frame 1, the bidirectional threaded rod 6 drives the two groups of bidirectional threaded sleeves 7 to move towards each other. The bidirectional threaded sleeve 7 drives the connection blocks 26 to move towards each other. The connection blocks 26 drive the two groups of electric push rods 2 to move away from each other through the connecting plate 4. The electric push rods 2 drive the two groups of draw drums 3 to move away from each other. The draw drums 3 slide on the surface of the support drum 5 to lengthen the draw drums 3, so as to facilitate the flattening of soils with different widths, realizing convenient close-proximity soil flattening, facilitating the adaptive flattening of soils with different widths, and improving the convenience of flattening;

[0027] A servo motor 8 is installed inside the integrated frame 1. The servo motor 8 plays a role in power driving. The output end of the servo motor 8 is installed with a bidirectional threaded rod 6, and the bidirectional threaded rod 6 is movably connected to the integrated frame 1. Two groups of bidirectional threaded sleeves 7 are sleeved on the surface of the bidirectional threaded rod 6, and the bidirectional threaded sleeves 7 are threadedly connected to the bidirectional threaded rod 6, and the bidirectional threaded sleeves 7 are slidably connected to the integrated frame 1;

[0028] Connection blocks 26 are installed at the bottom ends of the bidirectional threaded sleeves 7, and the connection blocks 26 are respectively connected to the connecting plate 4;

[0029] Stepping motors 11 are installed inside the draw drums 3. The stepping motors 11 play a role in power driving, and the stepping motors 11 are fixedly connected to the draw drums 3. The output ends of the stepping motors 11 are installed with moving threaded rods 10, and the moving threaded rods 10 are movably connected to the draw drums 3. Moving threaded sleeves 12 are sleeved on the surfaces of the moving threaded rods 10, and the moving threaded sleeves 12 are threadedly connected to the moving threaded rods 10;

[0030] Sliding grooves 25 are installed on the surfaces of the drawing rollers 3 on one side of the moving threaded rod 10, and the moving threaded sleeve 12 is slidably connected to the sliding grooves 25. Outer scrapers 13 are installed at the tops of the moving threaded sleeves 12. Two groups of limiting blocks 14 are installed on the inner walls of the outer scrapers 13. Limiting grooves 16 are installed on the surfaces of the drawing rollers 3 on one side of the limiting blocks 14, and the limiting blocks 14 are slidably connected to the limiting grooves 16;

[0031] When the drawing roller 3 and the support roller 5 have adhered soil on their surfaces after long-term operation, the servo motor 8 can be reversely turned on. The servo motor 8 drives the two electric push rods 2 to move towards each other. The electric push rods 2 drive the drawing roller 3 to move on the surface of the support roller 5. The inner scraper 9 on the inner wall of the drawing roller 3 scrapes the soil adhered to the surface of the support roller 5. At the same time, the stepping motor 11 is turned on through external control. The stepping motor 11 drives the moving threaded rod 10 to rotate. Under the threaded connection of the moving threaded rod 10 and the moving threaded sleeve 12, and with the sliding fit of the moving threaded sleeve 12 and the drawing roller 3, the moving threaded rod 10 drives the moving threaded sleeve 12 to slide inside the drawing roller 3. The moving threaded sleeve 12 drives the outer scraper 13 to move on the surface of the drawing roller 3. The limiting block 14 slides inside the limiting groove 16. The limiting block 14 and the limiting groove 16 provide sliding limit support for the outer scraper 13 to scrape and clean the soil adhered to the surface of the drawing roller 3, facilitating the cleaning of the roller, realizing convenient opposite-direction drawing and scraping of soil, facilitating the scraping and cleaning of the soil on the surface of the roller, and improving the effect of cleaning the soil.

[0032] Working principle: First, the electric push rod 2 drives the push arm 20 to move. The push arm 20 drives the linkage rod 21 to rotate through the upper linkage shaft 24. The linkage rod 21 drives the C-shaped frame 19 to rotate around the movable shaft 18 through the lower linkage shaft 22. The C-shaped frame 19 drives the hinge shaft 23 to rotate. The hinge shaft 23 drives the pulling drum 3 to rotate, so that the pulling drum 3 contacts the soil. Under the continuous movement of the potato harvester, the pulling drum 3 flattens the soil. When the width of the soil to be flattened is relatively wide, the servo motor 8 drives the bidirectional threaded rod 6 to rotate. The bidirectional threaded rod 6 drives the two groups of bidirectional threaded sleeves 7 to move towards each other. The bidirectional threaded sleeve 7 drives the connecting block 26 to move towards each other. The connecting block 26 drives the two groups of electric push rods 2 to move away from each other through the connecting plate 4. The electric push rod 2 drives the two groups of pulling drums 3 to move away from each other. The pulling drum 3 slides on the surface of the support drum 5 to lengthen the pulling drum 3, so as to facilitate flattening of soils with different widths. When the pulling drum 3 and the support drum 5 have adhered soil on their surfaces after long-term operation, the servo motor 8 can be reversely turned on. The servo motor 8 drives the two groups of electric push rods 2 to move towards each other. The electric push rod 2 drives the pulling drum 3 to move on the surface of the support drum 5. The inner scraper 9 on the inner wall of the pulling drum 3 scrapes the soil adhered to the surface of the support drum 5. The stepping motor 11 drives the moving threaded rod 10 to rotate. The moving threaded rod 10 drives the moving threaded sleeve 12 to slide inside the pulling drum 3. The moving threaded sleeve 12 drives the outer scraper 13 to move on the surface of the pulling drum 3. The limiting block 14 slides inside the limiting groove 16. The limiting block 14 and the limiting groove 16 provide sliding limit support for the outer scraper 13 to scrape and clean the soil adhered to the surface of the pulling drum 3, so as to facilitate cleaning of the drum and complete the use of the flattening structure of the potato harvester.

[0033] The above is only a preferred embodiment of the present invention, and it does not impose any form of limitation on the present invention. Although the present invention has been disclosed above with a preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to the above-disclosed technical content to form an equivalent embodiment with equivalent changes within the scope of the technical solution of the present invention. However, as long as it does not depart from the content of the technical solution of the present invention, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A flattening structure of a potato harvester, comprising a connecting plate (4) and an electric push rod (2), characterized in that: The connecting plates (4) are divided into two groups. The bottom ends of the connecting plates (4) are all equipped with electric push rods (2). The output ends of the electric push rods (2) are all equipped with push arms (20). The bottom ends of the push arms (20) are all equipped with connecting rods (21). The top ends of the connecting rods (21) are all equipped with upper linkage shafts (24). The connecting rods (21) are movably connected to the push arms (20) through the upper linkage shafts (24). The side walls of the electric push rods (2) are all equipped with support arms (17). The bottom ends of the support arms (17) are all equipped with C-shaped frames (19). The top ends of the C-shaped frames (19) are all equipped with movable shafts (18). The C-shaped frames (19) are movably connected to the support arms (17) through the movable shafts (18). The bottom end of each of the connecting rods (21) is provided with a lower linkage shaft (22), and the linkage rod (21) is movably connected to the C-shaped frame (19) through the lower linkage shaft (22). The bottom end of each of the C-shaped frame (19) is movably provided with a hinge shaft (23), one end of each of the hinge shafts (23) is provided with a drawing roller (3), and a support roller (5) is provided between two groups of drawing rollers (3), and the support roller (5) extends to the inside of the drawing roller (3), an inner scraper (9) is provided on the inner wall of each of the drawing rollers (3), and the inner scraper (9) is slidably connected to the support roller (5), a battery (15) is provided on the side wall of the drawing roller (3) on one side of the hinge shaft (23), and an integrated frame (1) is provided on the outside of the connecting plate (4).

2. A flattening structure for a potato harvester according to claim 1, characterized in that: A servo motor (8) is installed inside the integrated frame (1), a bidirectional threaded rod (6) is installed at the output end of the servo motor (8), and the bidirectional threaded rod (6) is movably connected to the integrated frame (1).

3. A flattening structure for a potato harvester according to claim 2, characterized in that: The surface of the bidirectional threaded rod (6) is sleeved with two groups of bidirectional threaded sleeves (7), the bidirectional threaded sleeves (7) are threadedly connected to the bidirectional threaded rod (6), and the bidirectional threaded sleeves (7) are slidably connected to the integrated frame (1).

4. A flattening structure for a potato harvester according to claim 3, characterized in that: The bottom ends of the bidirectional threaded sleeves (7) are all equipped with connecting blocks (26), and the connecting blocks (26) are respectively connected to the connecting plates (4).

5. The flattening structure of a potato harvester according to claim 1, characterized in that: A stepping motor (11) is installed inside the drawing roller (3), and the stepping motor (11) is fixedly connected to the drawing roller (3).

6. The flattening structure of a potato harvester according to claim 5, characterized in that: The output end of the stepper motor (11) is equipped with a movable threaded rod (10), and the movable threaded rod (10) is movably connected to the pulling roller (3). The surface of the movable threaded rod (10) is covered with a movable threaded sleeve (12), and the movable threaded sleeve (12) is threadedly connected to the movable threaded rod (10).

7. The flattening structure of a potato harvester according to claim 6, characterized in that: The surface of the pulling roller (3) on one side of the movable threaded rod (10) is provided with a sliding groove (25), and the movable threaded sleeve (12) is slidably connected to the sliding groove (25), and the top of the movable threaded sleeve (12) is provided with an outer scraper (13).

8. The flattening structure of a potato harvester according to claim 7, characterized in that: Two sets of limit blocks (14) are installed on the inner wall of the outer scraper (13), and a limit groove (16) is installed on the surface of the pulling roller (3) on one side of the limit block (14), and the limit block (14) is slidably connected to the limit groove (16).

Images