Seedling pulling device for corncob picking table of fresh corn harvester
By designing a U-shaped vehicle body connecting frame and lifting frame, and adjusting the height of the lever roller using the drive motor and lead screw system, the problem of the unadjustable height of the lever pulling device in the prior art is solved, and the convenience of use is improved.
Patent Information
- Application Number
- CN202421002692.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-09
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-09
AI Technical Summary
The height of the existing grain pulling device cannot be flexibly adjusted, resulting in the straw height being unable to be retained according to the needs of users, causing inconvenience to users.
A fresh corn harvester picking device is designed, using a U-shaped vehicle body connecting frame and a U-shaped lifting frame. The lead screw and screw nut slider are driven by the drive motor to make the height of the lifting roller possible. Adjust as needed and secured by locking bolts.
It realizes flexible adjustment of straw height, meets the needs of users, and improves the convenience of use.
Smart Images

Figure CN222193175U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of agricultural harvesting, in particular to a straw-pulling device for an ear-picking platform of a fresh corn harvester. Background Art
[0002] At present, agriculture is an industry that uses the growth and development laws of animals and plants to obtain products through artificial cultivation. Agriculture belongs to the primary industry, and the science that studies agriculture is agronomy. The objects of agricultural labor are living animals and plants, and the products obtained are the animals and plants themselves. Agriculture is a basic industry that provides support for the construction and development of the national economy.
[0003] A straw pulling device is used when harvesting fresh corn. The height of the existing straw pulling device cannot be flexibly adjusted, so that the height of the straw cannot be retained according to the needs of the user, which brings inconvenience to the user and cannot meet the use needs. Utility Model Content
[0004] The utility model proposes a straw pulling device for an ear picking platform of a fresh corn harvester to solve the problem that the height of the existing straw pulling device cannot be flexibly adjusted, so that the height of the straw cannot be retained according to the needs of the user, which brings inconvenience to the user and cannot meet the use needs.
[0005] The utility model discloses a rice-pulling device for an ear-picking platform of a fresh corn harvester, the specific structure of which includes a vehicle body connecting frame 1, a coupling 2, a driving motor 3, a lead screw 4, a lead screw nut slider 5, a lifting frame 6, a locking bolt 7, a guide block 8 and a rice-pulling roller 9;
[0006] The vehicle body connecting frame 1 is a U-shaped frame, and a guide groove 10 is respectively provided in the middle of two opposite inner sides of the vehicle body connecting frame 1 along the length direction. A lifting frame 6 is provided inside the vehicle body connecting frame 1. The cross section of the lifting frame 6 is U-shaped. A guide block 8 is respectively provided on both sides of the lifting frame 6, and the guide block 8 on the side of the lifting frame 6 is matched and connected with the guide groove 10 on the inner side of the vehicle body connecting frame 1. A through hole is provided in the center of the upper surface of the lifting frame 6. A driving motor 3 is provided in the center of the upper surface of the vehicle body connecting frame 1. After the output end of the driving motor 3 passes through the housing of the vehicle body connecting frame 1, a through hole is provided. The coupling 2 is fixedly connected to the end of the lead screw 4, a lead screw nut slider 5 is provided on the lead screw 4, the bottom surface of the lead screw nut slider 5 is fixedly connected to the center of the upper surface of the lifting frame 6, and n threaded holes are evenly arranged in the middle of both sides of the lifting frame 6 along the length direction, where n is a positive integer. A through hole is respectively arranged in the middle of both sides of the vehicle body connecting frame 1, and a locking bolt 7 is arranged inside each through hole, and the locking bolt 7 is matched and connected with one of the threaded holes on the side of the lifting frame 6. A reed roller 9 is arranged inside the lifting frame 6, and the end of the reed roller 9 is rotatably connected to the inner side of the lifting frame 6;
[0007] Furthermore, the driving motor 3 is fixedly connected to the center of the upper surface of the vehicle body connecting frame 1 through a motor seat;
[0008] Furthermore, the number n of the threaded holes on the side of the lifting frame 6 is 5≤n≤10;
[0009] Furthermore, the center distance between each two threaded holes on the side of the lifting frame 6 is 10 cm;
[0010] Furthermore, the bottom end of the lead screw 4 passes through the through hole at the center of the upper surface of the lifting frame 6;
[0011] Furthermore, a connecting beam is provided at each of the two ends of the top of the back side of the vehicle body connecting frame 1;
[0012] Furthermore, the two connecting beams are integrally arranged with the vehicle body connecting frame 1;
[0013] Furthermore, a limit baffle is provided at the bottom end of the lead screw 4, and the limit baffle is coaxially and integrally arranged with the lead screw 4;
[0014] Furthermore, when in use, according to the user's requirement for the height of the straw to be retained after harvesting, the height of the reed roller 9 needs to be adjusted. The present application adopts a U-shaped frame for the vehicle body connecting frame 1, and a guide groove 10 is respectively provided in the middle of the two opposite inner sides of the vehicle body connecting frame 1 along the length direction. A lifting frame 6 is provided inside the vehicle body connecting frame 1, and the cross-section of the lifting frame 6 is U-shaped. A guide block 8 is respectively provided on both sides of the lifting frame 6, and the guide block 8 on the side of the lifting frame 6 is connected with the guide groove 10 on the inner side of the vehicle body connecting frame 1. In combination with the driving motor 3 provided at the center of the upper surface of the vehicle body connecting frame 1, the driving motor After the output end of the 3 passes through the shell of the vehicle body connecting frame 1, it is fixedly connected to the end of the screw 4 through the coupling 2. The screw 4 is provided with a screw nut slider 5. At this time, the driving motor 3 is started, and the driving motor 3 drives the screw 4 to rotate, so that the screw nut slider 5 moves upward or downward at a uniform speed along the screw 4. Since the bottom surface of the screw nut slider 5 is fixedly connected to the center of the upper surface of the lifting frame 6, the lifting frame 6 is provided with a reed roller 9 inside, so as to adjust the height of the reed roller 9; so that the height of the straw can be retained according to the needs of the user, which meets the user's use needs and improves the convenience of use;
[0015] After the height adjustment of the reel roller 9 is completed, the driving motor 3 is braked, and then the locking bolt 7 inside the side through hole of the vehicle body connecting frame 1 is matched and connected with one of the threaded holes on the side of the lifting frame 6, so that the vehicle body connecting frame 1 and the lifting frame 6 are locked and fixed by the locking bolt 7.
[0016] Compared with the prior art, the utility model has the following beneficial effects:
[0017] The utility model overcomes the shortcomings of the prior art and adopts a U-shaped frame for the vehicle body connecting frame, and a guide groove is respectively provided in the middle of the two opposite inner sides of the vehicle body connecting frame along the length direction, and a lifting frame is provided inside the vehicle body connecting frame, and the cross-section of the lifting frame is U-shaped, and a guide block is respectively provided on both sides of the lifting frame, and the guide blocks on the side faces of the lifting frame are matched and connected with the guide grooves on the inner sides of the vehicle body connecting frame. In addition, a driving motor is provided at the center of the upper surface of the vehicle body connecting frame, and the output end of the driving motor passes through the vehicle body connecting frame shell and is fixedly connected to the end of the lead screw through a coupling, and a lead screw nut slider is provided on the lead screw. At this time, the driving motor is started, and the driving motor drives the lead screw to rotate, so that the lead screw nut slider moves upward or downward at a uniform speed along the lead screw. Since the bottom surface of the lead screw nut slider is fixedly connected to the center of the upper surface of the lifting frame, a reed roller is provided inside the lifting frame, thereby realizing the adjustment of the height of the reed roller; the height of the straw can be retained according to the needs of the user, thereby meeting the use requirements of the user and improving the convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 The utility model is a main sectional view of a straw-pulling device for an ear-picking platform of a fresh corn harvester. DETAILED DESCRIPTION
[0019] Specific implementation method 1: Combination Figure 1 The present embodiment is described. The present embodiment is a fresh corn harvester ear picking platform using a reed-pulling device, and its specific structure includes a vehicle body connecting frame 1, a coupling 2, a driving motor 3, a lead screw 4, a lead screw nut slider 5, a lifting frame 6, a locking bolt 7, a guide block 8 and a reed-pulling roller 9;
[0020] The vehicle body connecting frame 1 is a U-shaped frame, and a guide groove 10 is respectively provided in the middle of two opposite inner sides of the vehicle body connecting frame 1 along the length direction. A lifting frame 6 is provided inside the vehicle body connecting frame 1. The cross section of the lifting frame 6 is U-shaped. A guide block 8 is respectively provided on both sides of the lifting frame 6, and the guide block 8 on the side of the lifting frame 6 is matched and connected with the guide groove 10 on the inner side of the vehicle body connecting frame 1. A through hole is provided in the center of the upper surface of the lifting frame 6. A driving motor 3 is provided in the center of the upper surface of the vehicle body connecting frame 1. After the output end of the driving motor 3 passes through the housing of the vehicle body connecting frame 1, a through hole is provided. The coupling 2 is fixedly connected to the end of the lead screw 4, a lead screw nut slider 5 is provided on the lead screw 4, the bottom surface of the lead screw nut slider 5 is fixedly connected to the center of the upper surface of the lifting frame 6, and n threaded holes are evenly arranged in the middle of both sides of the lifting frame 6 along the length direction, where n is a positive integer. A through hole is respectively arranged in the middle of both sides of the vehicle body connecting frame 1, and a locking bolt 7 is arranged inside each through hole, and the locking bolt 7 is matched and connected with one of the threaded holes on the side of the lifting frame 6. A reed roller 9 is arranged inside the lifting frame 6, and the end of the reed roller 9 is rotatably connected to the inner side of the lifting frame 6;
[0021] In this specific embodiment, when in use, according to the user's requirement for the height of the straw to be retained after harvesting, the height of the reed roller 9 needs to be adjusted. The present application adopts a U-shaped frame for the vehicle body connecting frame 1, and a guide groove 10 is respectively provided in the middle of the two opposite inner sides of the vehicle body connecting frame 1 along the length direction. A lifting frame 6 is provided inside the vehicle body connecting frame 1. The cross section of the lifting frame 6 is U-shaped. A guide block 8 is respectively provided on both sides of the lifting frame 6, and the guide block 8 on the side of the lifting frame 6 is connected with the guide groove 10 on the inner side of the vehicle body connecting frame 1. In combination with the driving motor 3 provided at the center of the upper surface of the vehicle body connecting frame 1, the driving motor 3 is provided. After the output end of the motor 3 passes through the housing of the vehicle body connecting frame 1, it is fixedly connected to the end of the screw 4 through the coupling 2. The screw 4 is provided with a screw nut slider 5. At this time, the driving motor 3 is started, and the driving motor 3 drives the screw 4 to rotate, so that the screw nut slider 5 moves upward or downward at a uniform speed along the screw 4. Since the bottom surface of the screw nut slider 5 is fixedly connected to the center of the upper surface of the lifting frame 6, a reed roller 9 is provided inside the lifting frame 6, so that the height of the reed roller 9 can be adjusted; so that the height of the straw can be retained according to the needs of the user, which meets the user's use needs and improves the convenience of use;
[0022] After the height adjustment of the reel roller 9 is completed, the driving motor 3 is braked, and then the locking bolt 7 inside the side through hole of the vehicle body connecting frame 1 is matched and connected with one of the threaded holes on the side of the lifting frame 6, so that the vehicle body connecting frame 1 and the lifting frame 6 are locked and fixed by the locking bolt 7.
[0023] Specific implementation method 2: Combination Figure 1 This embodiment is described as a further limitation of the straw-pushing device described in the first embodiment. This embodiment describes a straw-pushing device for an ear-picking platform of a fresh corn harvester, wherein the driving motor 3 is fixedly connected to the center of the upper surface of the vehicle body connecting frame 1 through a motor seat.
[0024] Specific implementation method three: Combination Figure 1 This embodiment is described. This embodiment is a further limitation of the straw-pushing device described in the specific embodiment 1. In this embodiment, a straw-pushing device for an ear-picking platform of a fresh corn harvester is described. The number n of the threaded holes on the side of the lifting frame 6 is 5≤n≤10.
[0025] Specific implementation method four: Combination Figure 1 This embodiment is described as a further limitation of the straw-pushing device described in the third embodiment. In this embodiment, a straw-pushing device for an ear-picking platform of a fresh corn harvester is used, and the center distance between every two threaded holes on the side of the lifting frame 6 is 10 cm.
[0026] Specific implementation method five: Combination Figure 1This embodiment is described as a further limitation of the straw-pushing device described in the first specific embodiment. This embodiment describes a straw-pushing device for an ear-picking platform of a fresh corn harvester, wherein the bottom end of the lead screw 4 passes through a through hole at the center of the upper surface of the lifting frame 6.
[0027] Specific implementation method six: Combination Figure 1 This embodiment is described. This embodiment is a further limitation of the rice-pulling device described in the first embodiment. In this embodiment, a rice-pulling device for a fresh corn harvester ear picking platform is provided. A connecting beam is provided at each of the top ends of the back side of the vehicle body connecting frame 1.
[0028] In this specific embodiment, a connecting beam is respectively provided at both ends of the top of the back side of the vehicle body connecting frame 1, so as to facilitate connecting the vehicle body connecting frame 1 with the ear picking platform of the fresh corn harvester through the connecting beam.
[0029] Specific implementation method seven: Combination Figure 1 This embodiment is described. This embodiment is a further limitation of the straw-pushing device described in the sixth embodiment. This embodiment describes a straw-pushing device for an ear-picking platform of a fresh corn harvester, wherein the two connecting beams are integrally arranged with the vehicle body connecting frame 1.
[0030] Specific implementation method eight: Combination Figure 1 This embodiment is described. This embodiment is a further limitation of the rice-pushing device described in the specific embodiment 1. In this embodiment, a rice-pushing device for a fresh corn harvester ear picking platform is provided. A limit baffle is provided at the bottom end of the lead screw 4, and the limit baffle is coaxially and integrally arranged with the lead screw 4.
[0031] In this specific embodiment, a limit baffle is provided at the bottom end of the screw 4 to achieve a limit function on the maximum moving stroke of the screw nut slider 5 on the screw 4, thereby preventing the screw nut slider 5 from detaching from the screw 4.
[0032] How it works
[0033] When in use, according to the user's requirement for the height of the straw retained after harvesting, the height of the reed roller 9 needs to be adjusted. The present application adopts a U-shaped frame for the vehicle body connecting frame 1, and a guide groove 10 is respectively provided in the middle of the two opposite inner sides of the vehicle body connecting frame 1 along the length direction. A lifting frame 6 is provided inside the vehicle body connecting frame 1. The cross section of the lifting frame 6 is U-shaped. A guide block 8 is respectively provided on both sides of the lifting frame 6, and the guide block 8 on the side of the lifting frame 6 is connected with the guide groove 10 on the inner side of the vehicle body connecting frame 1. In combination with the driving motor 3 provided at the center of the upper surface of the vehicle body connecting frame 1, the driving motor 3 After the output end passes through the housing of the vehicle body connecting frame 1, it is fixedly connected to the end of the lead screw 4 through the coupling 2. A lead screw nut slider 5 is provided on the lead screw 4. At this time, the driving motor 3 is started, and the driving motor 3 drives the lead screw 4 to rotate, so that the lead screw nut slider 5 moves upward or downward at a uniform speed along the lead screw 4. Since the bottom surface of the lead screw nut slider 5 is fixedly connected to the center of the upper surface of the lifting frame 6, a reed roller 9 is provided inside the lifting frame 6, so as to adjust the height of the reed roller 9; so that the height of the straw can be retained according to the needs of the user, which meets the user's use needs and improves the convenience of use;
[0034] After the height adjustment of the reel roller 9 is completed, the driving motor 3 is braked, and then the locking bolt 7 inside the side through hole of the vehicle body connecting frame 1 is matched and connected with one of the threaded holes on the side of the lifting frame 6, so that the vehicle body connecting frame 1 and the lifting frame 6 are locked and fixed by the locking bolt 7.
Claims
1. A straw-pulling device for an ear-picking platform of a fresh corn harvester, characterized in that: It comprises a vehicle body connecting frame (1), a coupling (2), a driving motor (3), a lead screw (4), a lead screw nut slider (5), a lifting frame (6), a locking bolt (7), a guide block (8) and a reed roller (9); The vehicle body connecting frame (1) is a U-shaped frame, and a guide groove (10) is respectively provided in the middle of two opposite inner sides of the vehicle body connecting frame (1) along the length direction. A lifting frame (6) is provided inside the vehicle body connecting frame (1), and the cross section of the lifting frame (6) is U-shaped. A guide block (8) is respectively provided on both sides of the lifting frame (6), and the guide block (8) on the side of the lifting frame (6) is matched and connected with the guide groove (10) on the inner side of the vehicle body connecting frame (1). A through hole is provided at the center of the upper surface of the lifting frame (6). A driving motor (3) is provided at the center of the upper surface of the vehicle body connecting frame (1), and the output end of the driving motor (3) passes through the housing of the vehicle body connecting frame (1) and is connected to the lifting frame (6). , fixedly connected to the end of the lead screw (4) through a coupling (2), a lead screw nut slider (5) is provided on the lead screw (4), the bottom surface of the lead screw nut slider (5) is fixedly connected to the center of the upper surface of the lifting frame (6), the middle of both sides of the lifting frame (6) are respectively provided with n threaded holes evenly along the length direction, n is a positive integer, the middle of both sides of the vehicle body connecting frame (1) are respectively provided with a through hole, and each through hole is provided with a locking bolt (7) inside, the locking bolt (7) is matched and connected with one of the threaded holes on the side of the lifting frame (6), and a reed roller (9) is provided inside the lifting frame (6), and the end of the reed roller (9) is rotatably connected to the inner side surface of the lifting frame (6).
2. The fresh corn harvester ear picking device according to claim 1, characterized in that: The driving motor (3) is fixedly connected to the center of the upper surface of the vehicle body connecting frame (1) via a motor seat.
3. The straw-pulling device for the ear-picking platform of a fresh corn harvester according to claim 1, characterized in that: The number n of the threaded holes on the side of the lifting frame (6) is 5≤n≤10.
4. The straw-pulling device for the ear-picking platform of a fresh corn harvester according to claim 3, characterized in that: The distance between the centers of every two threaded holes on the side of the lifting frame (6) is 10 cm.
5. The straw-pulling device for the ear-picking platform of a fresh corn harvester according to claim 1, characterized in that: The bottom end of the lead screw (4) passes through a through hole at the center of the upper surface of the lifting frame (6).
6. The straw-pulling device for the ear-picking platform of a fresh corn harvester according to claim 1, characterized in that: A connecting beam is respectively provided at both ends of the top of the back side of the vehicle body connecting frame (1).
7. The straw-pulling device for the ear-picking platform of a fresh corn harvester according to claim 6, characterized in that: The two connecting beams are integrally arranged with the vehicle body connecting frame (1).
8. The straw-pulling device for the ear-picking platform of a fresh corn harvester according to claim 1, characterized in that: A limit baffle is provided at the bottom end of the lead screw (4), and the limit baffle is coaxially and integrally arranged with the lead screw (4).
